/* roulang page: index */
:root{
  --c-primary:#0F3D33;
  --c-primary-deep:#0B2C24;
  --c-primary-light:#17564A;
  --c-accent:#C8F35C;
  --c-bg:#F4F1EA;
  --c-bg-alt:#EEE9DF;
  --c-dark:#0B0F0E;
  --c-card:#FFFFFF;
  --c-card-alt:#FBF9F5;
  --c-text:#121614;
  --c-text-2:#5A625E;
  --c-text-3:#8A908B;
  --c-line:#DCD8CE;
  --c-error:#E4572E;
  --r-card:6px;
  --r-btn:3px;
  --r-modal:8px;
  --sh-1:0 1px 2px rgba(11,15,14,.04);
  --sh-2:0 12px 28px rgba(11,15,14,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --maxw:1240px;
  --sp:120px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;
}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
@media(min-width:1440px){:root{--maxw:1320px;}}

/* ---------- 通用按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn__arrow{display:inline-block;transition:transform .24s var(--ease);}
.btn:hover .btn__arrow{transform:translateX(4px);}
.btn--primary{background:var(--c-primary);color:#F4F1EA;}
.btn--primary:hover{background:var(--c-primary-deep);}
.btn--ghost{border:1px solid var(--c-primary);color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary);color:#F4F1EA;}
.btn--ghost-light{border:1px solid rgba(244,241,234,.45);color:#F4F1EA;}
.btn--ghost-light:hover{background:rgba(244,241,234,.12);border-color:rgba(244,241,234,.8);}
.btn--accent{background:var(--c-accent);color:#0B2C24;}
.btn--accent:hover{background:#B9E84B;}
.btn--block{width:100%;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#0B2C24;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:700;}
.badge--live{background:rgba(200,243,92,.16);color:var(--c-accent);border:1px solid rgba(200,243,92,.45);}
.badge--live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.25;}}
.tag-sm{font-size:12px;color:var(--c-text-3);letter-spacing:.04em;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-deep);color:#D6E2DB;font-size:13px;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar a{color:var(--c-accent);}
.topbar a:hover{text-decoration:underline;text-underline-offset:3px;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:90;}
.nav-wrap{
  background:rgba(244,241,234,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.nav{display:flex;align-items:center;gap:20px;height:72px;transition:height .24s var(--ease);}
body.is-scrolled .nav{height:60px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{
  width:34px;height:34px;border-radius:4px;background:var(--c-primary);color:var(--c-accent);
  display:grid;place-items:center;font-size:16px;font-weight:900;letter-spacing:-.02em;
}
.logo__text{font-size:17px;font-weight:900;letter-spacing:-.01em;color:var(--c-primary-deep);}
.nav__main{display:flex;align-items:center;gap:2px;margin-left:8px;}
.nav__link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--c-text-2);
  transition:color .2s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav__link:hover{color:var(--c-text);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--c-primary);font-weight:700;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.mega{position:relative;}
.mega__trigger{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);font-size:14px;color:var(--c-text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.mega__trigger:hover{border-color:var(--c-primary);color:var(--c-primary);}
.mega__caret{font-size:11px;transition:transform .24s var(--ease);}
.mega:hover .mega__caret,.mega.is-open .mega__caret{transform:rotate(180deg);}
.mega__panel{
  position:absolute;right:0;top:calc(100% + 12px);width:920px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:28px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega:hover .mega__panel,.mega.is-open .mega__panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega__label{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-text-3);margin-bottom:14px;}
.mega__links{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px;}
.mega__links a{
  display:block;padding:9px 0;font-size:15px;color:var(--c-text-2);border-bottom:1px solid transparent;
  transition:color .2s var(--ease),padding-left .2s var(--ease),border-color .2s var(--ease);
}
.mega__links a:hover{color:var(--c-primary);padding-left:6px;border-color:var(--c-line);}
.mega__feed a{display:block;padding:11px 0;border-bottom:1px solid var(--c-line);}
.mega__feed a:last-child{border-bottom:0;}
.mega__feed-title{font-size:14px;font-weight:700;line-height:1.5;color:var(--c-text);transition:color .2s;}
.mega__feed a:hover .mega__feed-title{color:var(--c-primary);}
.mega__feed-time{font-size:12px;color:var(--c-text-3);}
.mega__card{display:block;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);}
.mega__card img{width:100%;height:120px;object-fit:cover;transition:transform .3s var(--ease);}
.mega__card:hover img{transform:scale(1.03);}
.mega__card span{display:block;padding:12px 14px;font-size:14px;font-weight:700;color:var(--c-primary);}
.mega__empty{font-size:14px;color:var(--c-text-3);}
.nav__toggle{
  display:none;width:44px;height:38px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  align-items:center;justify-content:center;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--c-primary);position:relative;}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);transition:transform .24s var(--ease);
}
.nav__toggle span::before{top:-6px;}
.nav__toggle span::after{top:6px;}
.mobile-cta{display:none;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#0B2C24;color:#F4F1EA;}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;}
.hero__veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,26,22,.93) 0%,rgba(9,26,22,.74) 48%,rgba(9,26,22,.42) 100%);}
.hero__inner{position:relative;z-index:3;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:104px 0 96px;}
.hero__eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--c-accent);
  border:1px solid rgba(200,243,92,.4);border-radius:var(--r-pill);padding:6px 12px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(32px,4.6vw,58px);line-height:1.12;font-weight:900;letter-spacing:-.02em;margin-bottom:20px;
}
.hero__sub{font-size:18px;color:#CBD8D2;margin-bottom:34px;max-width:520px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero__trust{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:14px;color:#9FB3AA;}
.hero__trust li{position:relative;padding-left:14px;}
.hero__trust li::before{content:"";position:absolute;left:0;top:50%;width:6px;height:2px;background:var(--c-accent);transform:translateY(-50%);}

.live-panel{
  background:rgba(10,26,22,.72);border:1px solid rgba(200,243,92,.22);border-radius:var(--r-card);
  padding:24px;backdrop-filter:blur(6px);
}
.live-panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.live-panel__title{font-size:15px;font-weight:700;letter-spacing:.02em;}
.live-list li{border-top:1px solid rgba(244,241,234,.14);padding:14px 0;}
.live-list li:first-child{border-top:0;padding-top:0;}
.live-list__meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.live-list__time{font-size:12px;color:var(--c-accent);font-weight:700;}
.live-list__row{display:flex;align-items:center;justify-content:space-between;font-size:15px;color:#DCE6E1;padding:2px 0;}
.live-list__row b{font-size:17px;color:#fff;}
.live-panel__note{font-size:12px;color:#8FA3 9A;color:#8FA39A;margin-top:16px;border-top:1px solid rgba(244,241,234,.14);padding-top:14px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp) 0;}
.section--muted{background:var(--c-bg-alt);}
.section--dark{background:var(--c-dark);color:#EDEBE6;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:52px;}
.section__head--stack{align-items:flex-start;flex-direction:column;gap:14px;}
.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--c-text-3);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow--light{color:var(--c-accent);}
.section h2{font-size:clamp(26px,3.1vw,38px);line-height:1.2;font-weight:900;letter-spacing:-.02em;color:var(--c-primary-deep);}
.section--dark h2{color:#F4F1EA;}
.section__sub{font-size:16px;color:var(--c-text-2);max-width:460px;}
.section--dark .section__sub{color:#9DA9A3;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--c-primary);
  border-bottom:2px solid var(--c-accent);padding-bottom:4px;transition:gap .24s var(--ease);
}
.link-more:hover{gap:14px;}

/* ---------- 痛点区 ---------- */
.pain-list{border-top:1px solid var(--c-line);}
.pain{
  display:grid;grid-template-columns:88px 1fr 1.1fr;gap:32px;align-items:start;
  padding:32px 0;border-bottom:1px solid var(--c-line);
  transition:background .24s var(--ease),padding-left .24s var(--ease);
}
.pain:hover{background:var(--c-card-alt);padding-left:16px;}
.pain__num{font-size:15px;font-weight:800;color:var(--c-primary);letter-spacing:.06em;}
.pain h3{font-size:19px;line-height:1.5;font-weight:700;}
.pain p{font-size:15px;color:var(--c-text-2);}

/* ---------- 方案卡片（非对称） ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.sol-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.sol-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary);}
.sol-card--a{grid-column:1 / 9;}
.sol-card--b{grid-column:1 / 9;}
.sol-card--tall{grid-column:9 / 13;grid-row:1 / 3;}
.sol-card__icon{
  width:44px;height:44px;border-radius:4px;background:rgba(200,243,92,.34);
  display:grid;place-items:center;font-size:18px;font-weight:800;color:var(--c-primary-deep);
}
.sol-card h3{font-size:21px;font-weight:800;line-height:1.4;}
.sol-card p{font-size:15px;color:var(--c-text-2);}
.sol-card__media{margin-top:auto;border-radius:var(--r-card);overflow:hidden;}
.sol-card__media img{width:100%;height:190px;object-fit:cover;transition:transform .3s var(--ease);}
.sol-card--tall .sol-card__media img{height:260px;}
.sol-card:hover .sol-card__media img{transform:scale(1.03);}
.sol-card__link{font-size:15px;font-weight:700;color:var(--c-primary);display:inline-flex;gap:8px;transition:gap .24s var(--ease);}
.sol-card__link:hover{gap:14px;}

/* ---------- 流程 ---------- */
.process__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.step{position:relative;padding:32px 26px 32px 0;border-top:2px solid var(--c-line);}
.step::before{
  content:"";position:absolute;top:-2px;left:0;width:36px;height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.step.is-in::before{transform:scaleX(1);}
.step__num{display:block;font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--c-primary);margin-bottom:14px;}
.step h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.step p{font-size:15px;color:var(--c-text-2);}

/* ---------- 数据区 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{border-left:1px solid rgba(244,241,234,.18);padding-left:24px;}
.stat__num{font-size:clamp(34px,4vw,54px);font-weight:900;color:#F4F1EA;line-height:1;letter-spacing:-.03em;}
.stat__unit{font-size:18px;font-weight:800;color:var(--c-accent);margin-left:4px;}
.stat__bar{display:block;width:26px;height:2px;background:var(--c-accent);margin:18px 0 14px;}
.stat p{font-size:13px;color:#9DA9A3;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary);}
.news-card--lead{grid-column:span 2;}
.news-card__media{overflow:hidden;background:var(--c-card-alt);}
.news-card__media img{width:100%;height:210px;object-fit:cover;transition:transform .3s var(--ease);}
.news-card--lead .news-card__media img{height:280px;}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-card__body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card__title{font-size:18px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-card__title{text-decoration:underline;text-decoration-color:var(--c-accent);text-decoration-thickness:2px;text-underline-offset:4px;}
.news-card__excerpt{
  font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;
  border-top:1px solid var(--c-line);font-size:13px;color:var(--c-text-3);
}
.news-card__meta .arrow{color:var(--c-primary);font-weight:800;transition:transform .24s var(--ease);}
.news-card:hover .news-card__meta .arrow{transform:translateX(4px);}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:var(--c-card-alt);
}
.empty-state p{font-size:15px;color:var(--c-text-2);margin-bottom:18px;}

/* ---------- 口碑 / 标签墙 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:56px;}
.quote{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--sh-1);
}
.quote p{font-size:16px;line-height:1.8;}
.quote figcaption{font-size:13px;color:var(--c-text-3);border-top:1px solid var(--c-line);padding-top:14px;}
.tagwall{display:flex;flex-wrap:wrap;gap:10px;}
.tagwall span{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-card);font-size:14px;color:var(--c-text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tagwall span:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--c-line);}
.faq__item{border-bottom:1px solid var(--c-line);}
.faq__item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:24px 0;font-size:17px;font-weight:700;line-height:1.6;
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__icon{
  flex-shrink:0;width:24px;height:24px;position:relative;transition:transform .24s var(--ease);
}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);transform:translate(-50%,-50%);
}
.faq__icon::before{width:14px;height:2px;}
.faq__icon::after{width:2px;height:14px;}
.faq__item[open] .faq__icon{transform:rotate(45deg);}
.faq__answer{padding:0 60px 26px 0;font-size:16px;color:var(--c-text-2);}

/* ---------- CTA / 表单 ---------- */
.cta-band{
  background:var(--c-primary);color:#F4F1EA;border-radius:var(--r-card);
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#F4F1EA;font-size:clamp(24px,2.8vw,34px);margin-bottom:12px;}
.cta-band p{color:#C6D5CE;font-size:16px;max-width:560px;}

.modal{position:fixed;inset:0;z-index:130;display:none;}
.modal.is-open{display:block;}
.modal__mask{position:absolute;inset:0;background:rgba(11,15,14,.55);}
.modal__dialog{
  position:relative;width:520px;max-width:calc(100vw - 40px);margin:7vh auto;background:#fff;
  border-radius:var(--r-modal);padding:32px;box-shadow:var(--sh-2);max-height:86vh;overflow:auto;
}
.modal__close{
  position:absolute;top:14px;right:16px;width:34px;height:34px;border-radius:3px;font-size:22px;
  line-height:1;color:var(--c-text-3);transition:background .2s var(--ease),color .2s var(--ease);
}
.modal__close:hover{background:var(--c-card-alt);color:var(--c-text);}
.modal__title{font-size:22px;font-weight:900;line-height:1.4;margin-bottom:8px;color:var(--c-primary-deep);}
.modal__desc{font-size:14px;color:var(--c-text-2);margin-bottom:24px;}
.form{display:flex;flex-direction:column;gap:16px;}
.form__field{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--c-text-2);}
.form__field input,.form__field select,.form__field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-card-alt);font-size:15px;color:var(--c-text);transition:border-color .2s var(--ease),background .2s var(--ease);
}
.form__field input:focus,.form__field select:focus,.form__field textarea:focus{
  border-color:var(--c-primary);background:#fff;outline:none;
}
.form__check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-text-3);line-height:1.7;}
.form__check input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-primary);}
.form__note{font-size:12px;color:var(--c-text-3);}
.form__success{
  display:none;text-align:center;padding:32px 0;font-size:16px;color:var(--c-primary);font-weight:700;
}
.form.is-done .form__field,.form.is-done .form__check,.form.is-done .btn,.form.is-done .form__note{display:none;}
.form.is-done .form__success{display:block;}

.float-btn{
  position:fixed;right:24px;bottom:24px;z-index:110;
  display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#F4F1EA;font-size:15px;font-weight:700;box-shadow:var(--sh-2);
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.float-btn:hover{background:var(--c-primary-deep);transform:translateY(-2px);}
.float-btn__dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);animation:pulse 1.6s infinite;}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-primary-deep);color:#C6D5CE;border-top:1px solid var(--c-accent);padding-top:72px;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px;}
.footer .logo__mark{background:var(--c-accent);color:var(--c-primary-deep);}
.footer .logo__text{color:#F4F1EA;}
.footer__brand p{font-size:14px;margin-top:18px;max-width:320px;color:#9DA9A3;}
.footer__col h3{font-size:14px;font-weight:700;color:#F4F1EA;margin-bottom:18px;letter-spacing:.04em;}
.footer__col a,.footer__col p{display:block;font-size:14px;color:#9DA9A3;padding:6px 0;transition:color .2s var(--ease);}
.footer__col a:hover{color:var(--c-accent);}
.footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(244,241,234,.14);padding-top:22px;padding-bottom:26px;font-size:13px;color:#7E8D86;
}

/* ---------- 响应式 ---------- */
@media(max-width:1200px){
  .mega__panel{width:780px;grid-template-columns:1.3fr 1fr;}
  .mega__col--card{display:none;}
}
@media(max-width:1023px){
  :root{--sp:88px;}
  .nav__main{
    position:fixed;left:0;right:0;top:0;bottom:0;background:var(--c-bg);z-index:95;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:104px 24px 40px;overflow:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .nav__main.is-open{opacity:1;visibility:visible;transform:none;}
  .nav__link{font-size:18px;padding:16px 0;border-bottom:1px solid var(--c-line);}
  .nav__link::after{display:none;}
  .mobile-cta{display:flex;margin-top:28px;}
  .nav__toggle{display:inline-flex;}
  .mega{display:none;}
  .nav__cta{display:none;}
  .hero__inner{grid-template-columns:1fr;gap:40px;padding:76px 0 72px;}
  .solution-grid{grid-template-columns:repeat(6,1fr);}
  .sol-card--a,.sol-card--b,.sol-card--tall{grid-column:span 6;grid-row:auto;}
  .process__grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card--lead{grid-column:span 2;}
  .proof-grid{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media(max-width:820px){
  .topbar{display:none;}
  .pain{grid-template-columns:64px 1fr;gap:14px 20px;padding:26px 0;}
  .pain p{grid-column:2;}
  .news-card--lead .news-card__media img{height:220px;}
  .cta-band{padding:40px 28px;}
}
@media(max-width:560px){
  :root{--sp:64px;}
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 20px;}
  .nav{height:64px;}
  .logo__text{font-size:15px;}
  .section__head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px;}
  .solution-grid{grid-template-columns:1fr;gap:16px;}
  .sol-card{padding:24px;}
  .process__grid{grid-template-columns:1fr;}
  .step{padding:24px 0;border-top:1px solid var(--c-line);}
  .stats{grid-template-columns:1fr;gap:28px;}
  .stat{border-left:0;border-top:1px solid rgba(244,241,234,.18);padding:20px 0 0;}
  .news-grid{grid-template-columns:1fr;gap:18px;}
  .news-card--lead{grid-column:span 1;}
  .news-card__media img,.news-card--lead .news-card__media img{height:190px;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
  .modal__dialog{
    position:absolute;left:0;right:0;bottom:0;top:auto;margin:0;width:auto;max-width:none;
    border-radius:12px 12px 0 0;max-height:88vh;padding:26px 20px 30px;
  }
  .float-btn{right:16px;bottom:16px;height:46px;padding:0 18px;font-size:14px;}
  .faq__answer{padding-right:0;}
}
@media(max-width:420px){
  .hero h1{font-size:28px;}
  .hero__sub{font-size:16px;}
  .hero__actions .btn{width:100%;}
  .cta-band h2{font-size:22px;}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --c-primary:#0F3D33;
  --c-primary-dark:#0B2C24;
  --c-primary-light:#17564A;
  --c-accent:#C8F35C;
  --c-bg:#F4F1EA;
  --c-dark:#0B0F0E;
  --c-card:#FFFFFF;
  --c-card-alt:#FBF9F5;
  --c-text:#121614;
  --c-text-2:#5A625E;
  --c-text-3:#8A908B;
  --c-line:#DCD8CE;
  --c-error:#E4572E;
  --r-sm:2px;
  --r-md:6px;
  --r-btn:3px;
  --r-lg:8px;
  --sh-1:0 1px 2px rgba(11,15,14,.04);
  --sh-2:0 12px 28px rgba(11,15,14,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:.24s;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer;padding:0}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
::selection{background:var(--c-accent);color:var(--c-primary-dark)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.mono{font-family:"Inter Tight",system-ui,sans-serif}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-dark);color:rgba(244,241,234,.76);font-size:13px;height:36px;display:flex;align-items:center}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar a{color:var(--c-accent);border-bottom:1px solid transparent;transition:border-color var(--dur) var(--ease)}
.topbar a:hover{border-color:var(--c-accent)}

/* ---------- 导航 ---------- */
.site-header{position:relative;z-index:90}
.nav-wrap{
  position:sticky;top:0;z-index:90;
  background:rgba(244,241,234,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.site-header.is-scrolled .nav-wrap{box-shadow:var(--sh-1);background:rgba(244,241,234,.98)}
.nav{display:flex;align-items:center;gap:24px;height:72px;transition:height var(--dur) var(--ease)}
.site-header.is-scrolled .nav{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:34px;height:34px;border-radius:var(--r-md);
  background:var(--c-primary);color:var(--c-accent);
  display:grid;place-items:center;
  font-family:"Inter Tight",sans-serif;font-weight:800;font-size:18px;line-height:1;
}
.logo__text{font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--c-primary-dark);white-space:nowrap}
.nav__main{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav__link{
  position:relative;display:inline-block;
  font-size:15px;color:var(--c-text-2);padding:6px 0;
  transition:color var(--dur) var(--ease);white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-accent);transition:width var(--dur) var(--ease);
}
.nav__link:hover{color:var(--c-primary)}
.nav__link:hover::after{width:100%}
.nav__link.is-active{color:var(--c-primary-dark);font-weight:700}
.nav__link.is-active::after{width:100%}
.nav__right{display:flex;align-items:center;gap:12px}
.mobile-cta{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color var(--dur) var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary-dark);border-radius:1px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle:hover{border-color:var(--c-primary)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Mega 面板 ---------- */
.mega{position:relative}
.mega__trigger{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;
  color:var(--c-primary-dark);font-size:14px;font-weight:500;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.mega__trigger:hover{border-color:var(--c-primary);background:var(--c-card-alt)}
.mega__caret{font-size:11px;color:var(--c-text-3);transition:transform var(--dur) var(--ease)}
.mega.is-open .mega__caret,.mega:hover .mega__caret{transform:rotate(180deg)}
.mega__panel{
  position:absolute;top:calc(100% + 12px);right:0;width:560px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:26px;
  display:grid;grid-template-columns:1fr 1fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega:hover .mega__panel,.mega.is-open .mega__panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega__label{
  font-family:"Inter Tight",sans-serif;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-text-3);font-weight:700;margin-bottom:14px;
}
.mega__links{display:flex;flex-direction:column;gap:2px}
.mega__links a{
  font-size:14.5px;color:var(--c-text-2);padding:8px 0;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.mega__links a:hover{color:var(--c-primary);padding-left:6px}
.mega__card{
  display:block;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  background:var(--c-card-alt);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.mega__card:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--sh-2)}
.mega__card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--c-line)}
.mega__card span{display:block;padding:12px 14px;font-size:13.5px;color:var(--c-primary-dark);font-weight:500;line-height:1.5}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform .12s var(--ease),box-shadow var(--dur) var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--c-primary);color:#F4F1EA}
.btn--primary:hover{background:var(--c-primary-dark);box-shadow:var(--sh-2)}
.btn--primary .btn__arrow{transition:transform var(--dur) var(--ease)}
.btn--primary:hover .btn__arrow{transform:translateX(4px)}
.btn--outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn--outline:hover{background:var(--c-primary);color:#F4F1EA}
.btn--ghost{border-color:rgba(244,241,234,.42);color:#F4F1EA;background:transparent}
.btn--ghost:hover{background:rgba(244,241,234,.14);border-color:rgba(244,241,234,.7)}
.btn--accent{background:var(--c-accent);color:var(--c-primary-dark);font-weight:700}
.btn--accent:hover{background:#d6fa78}
.btn--block{width:100%}
.textlink{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:500;color:var(--c-primary);
  border-bottom:2px solid rgba(15,61,51,.28);padding-bottom:2px;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.textlink:hover{border-color:var(--c-accent);color:var(--c-primary-dark)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-sm);background:var(--c-accent);color:var(--c-primary-dark);
  font-size:12px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.tag--dark{background:rgba(200,243,92,.16);color:var(--c-accent)}
.tag--line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);font-weight:500}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"Inter Tight",sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--c-primary);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:block}

/* ---------- 文章 Hero ---------- */
.article-hero{
  position:relative;color:#F4F1EA;
  background-color:var(--c-dark);
  background-image:linear-gradient(115deg,rgba(11,15,14,.88) 0%,rgba(11,44,36,.78) 58%,rgba(15,61,51,.62) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:48px 0 64px;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(200,243,92,.5),transparent);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(244,241,234,.62);margin-bottom:30px}
.breadcrumb a{transition:color var(--dur) var(--ease);border-bottom:1px solid transparent}
.breadcrumb a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.breadcrumb .sep{color:rgba(244,241,234,.32)}
.breadcrumb .current{color:rgba(244,241,234,.86);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero__inner{max-width:900px}
.article-title{
  font-size:clamp(30px,4.4vw,50px);line-height:1.16;font-weight:900;letter-spacing:-.02em;
  margin:20px 0 22px;color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:rgba(244,241,234,.74)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(200,243,92,.7);display:inline-block}
.article-lead{
  font-size:16.5px;line-height:1.8;color:rgba(244,241,234,.82);
  margin-top:26px;padding-left:16px;border-left:3px solid var(--c-accent);max-width:760px;
}

/* ---------- 文章主体布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 220px;gap:48px;
  justify-content:center;max-width:var(--container);
  margin:0 auto;padding:64px 24px 0;
}
.article-main{min-width:0}
.article-body{font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  font-size:24px;line-height:1.42;font-weight:700;letter-spacing:-.01em;
  margin:48px 0 18px;padding-left:14px;border-left:3px solid var(--c-accent);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;margin:32px 0 14px}
.article-body h4{font-size:17.5px;font-weight:700;margin:26px 0 12px}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.6em}
.article-body strong{font-weight:700;color:var(--c-primary-dark)}
.article-body blockquote{
  margin:0 0 1.4em;padding:18px 22px;background:var(--c-card-alt);
  border-left:3px solid var(--c-primary);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-text-2);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:26px auto;height:auto;background:var(--c-line)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px;line-height:1.7}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(15,61,51,.3);transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.article-body a:hover{color:var(--c-primary-dark);border-color:var(--c-accent)}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:44px 0}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:15px;margin:0 0 1.4em;border:1px solid var(--c-line);border-radius:var(--r-md);
}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body thead th{background:var(--c-card-alt);font-weight:700;color:var(--c-primary-dark)}
.article-body tbody tr:nth-child(even){background:rgba(220,216,206,.2)}
.article-body pre{
  background:var(--c-dark);color:#E7E5DF;border-radius:var(--r-md);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 1.4em;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;
  background:rgba(15,61,51,.08);color:var(--c-primary-dark);
  padding:2px 6px;border-radius:3px;
}
.article-body pre code{background:none;color:inherit;padding:0}

/* ---------- 目录 ---------- */
.toc{position:sticky;top:96px;align-self:start;padding-left:20px;border-left:1px solid var(--c-line)}
.toc__title{
  font-family:"Inter Tight",sans-serif;font-size:11px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--c-text-3);margin-bottom:16px;
}
.toc__list{display:flex;flex-direction:column;gap:11px}
.toc__link{
  display:block;font-size:13.5px;line-height:1.55;color:var(--c-text-2);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.toc__link:hover{color:var(--c-primary);padding-left:5px}
.toc__link.is-sub{font-size:13px;color:var(--c-text-3);padding-left:12px}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-md);
  background:var(--c-card-alt);padding:72px 28px;text-align:center;
}
.empty-state__mark{
  width:52px;height:52px;margin:0 auto 20px;border-radius:50%;
  background:rgba(15,61,51,.08);color:var(--c-primary);
  display:grid;place-items:center;font-family:"Inter Tight",sans-serif;font-weight:800;font-size:22px;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px}
.empty-state p{font-size:15px;color:var(--c-text-2);max-width:46ch;margin:0 auto 24px}

/* ---------- 相关推荐 ---------- */
.related{margin-top:72px;padding-top:40px;border-top:1px solid var(--c-line)}
.related__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:6px}
.related__head h2{font-size:24px;font-weight:700;letter-spacing:-.01em}
.related__list{display:flex;flex-direction:column}
.ritem{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 0;border-bottom:1px solid var(--c-line);
  transition:transform var(--dur) var(--ease);
}
.ritem:hover{transform:translateX(3px)}
.ritem__thumb{
  width:104px;height:68px;flex:0 0 auto;border-radius:var(--r-md);
  object-fit:cover;background:var(--c-line);
}
.ritem__body{min-width:0}
.ritem__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12.5px;color:var(--c-text-3);margin-bottom:8px}
.ritem__title{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--c-primary-dark);margin-bottom:6px;transition:color var(--dur) var(--ease)}
.ritem:hover .ritem__title{color:var(--c-primary-light)}
.ritem__desc{font-size:14px;line-height:1.75;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 翻页 ---------- */
.pager{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line);
}
.pager__links{display:flex;flex-wrap:wrap;gap:22px}
.pager a{font-size:14px;color:var(--c-text-2);transition:color var(--dur) var(--ease)}
.pager a:hover{color:var(--c-primary)}

/* ---------- 文章尾部 CTA ---------- */
.article-cta{
  margin-top:72px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  background:linear-gradient(115deg,var(--c-primary-dark) 0%,var(--c-primary) 100%);
  color:#F4F1EA;padding:44px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.article-cta::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,243,92,.22),transparent 68%);
}
.article-cta h2{font-size:24px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px;position:relative}
.article-cta p{font-size:15px;color:rgba(244,241,234,.78);max-width:52ch;position:relative}
.article-cta .btn{position:relative}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:96px;background:var(--c-primary-dark);color:rgba(244,241,234,.72);
  border-top:2px solid var(--c-accent);padding:64px 0 26px;
}
.footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer__brand p{font-size:14px;line-height:1.85;margin-top:18px;max-width:34ch;color:rgba(244,241,234,.66)}
.footer__brand .logo__text{color:#F4F1EA}
.footer__brand .logo__mark{background:var(--c-accent);color:var(--c-primary-dark)}
.footer__col h3{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:#F4F1EA;
  margin-bottom:18px;text-transform:uppercase;
}
.footer__col a,.footer__col p{
  display:block;font-size:14px;margin-bottom:11px;color:rgba(244,241,234,.7);
  transition:color var(--dur) var(--ease);
}
.footer__col a:hover{color:var(--c-accent)}
.footer__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(244,241,234,.14);
  font-size:13px;color:rgba(244,241,234,.5);
}

/* ---------- 悬浮入口 & 模态 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:inline-flex;align-items:center;gap:9px;
  height:50px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#F4F1EA;font-size:14.5px;font-weight:500;
  box-shadow:0 10px 26px rgba(11,44,36,.32);
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.float-cta:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 16px 32px rgba(11,44,36,.4)}
.float-cta__dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(200,243,92,.22)}

.modal{
  position:fixed;inset:0;z-index:120;display:none;
  align-items:center;justify-content:center;padding:24px;
  background:rgba(11,15,14,.55);backdrop-filter:blur(3px);
}
.modal.is-open{display:flex;animation:fadeIn .2s var(--ease)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal__dialog{
  width:100%;max-width:520px;max-height:90vh;overflow:auto;
  background:#fff;border-radius:var(--r-lg);padding:32px;position:relative;
  box-shadow:0 30px 70px rgba(11,15,14,.3);
  animation:riseIn .26s var(--ease);
}
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.modal__close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:50%;
  color:var(--c-text-3);font-size:18px;line-height:1;
  display:grid;place-items:center;transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.modal__close:hover{background:var(--c-card-alt);color:var(--c-primary-dark)}
.modal__eyebrow{font-family:"Inter Tight",sans-serif;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--c-primary);margin-bottom:10px}
.modal__title{font-size:23px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px}
.modal__sub{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:24px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13px;font-weight:500;color:var(--c-text-2)}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--c-line);border-radius:4px;
  background:var(--c-card-alt);font-size:15px;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(200,243,92,.5);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-error)}
.field__error{font-size:13px;color:var(--c-error);display:none}
.field.has-error .field__error{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;line-height:1.7;color:var(--c-text-3);margin:6px 0 20px}
.consent input{width:16px;height:16px;margin-top:3px;flex:0 0 auto;accent-color:var(--c-primary)}
.form-success{display:none;text-align:center;padding:26px 8px 8px}
.form-success__mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:var(--c-accent);color:var(--c-primary-dark);
  display:grid;place-items:center;font-size:26px;font-weight:700;
}
.form-success h3{font-size:20px;font-weight:700;margin-bottom:10px}
.form-success p{font-size:14px;color:var(--c-text-2);line-height:1.8}
.modal.is-sent .modal__form{display:none}
.modal.is-sent .form-success{display:block}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,720px) 200px;gap:40px}
}
@media (max-width:1024px){
  .container{padding:0 20px}
  .nav{height:64px;gap:14px}
  .nav__main{
    position:fixed;top:0;right:0;height:100vh;width:min(86vw,340px);
    background:var(--c-primary-dark);flex-direction:column;align-items:stretch;
    gap:2px;margin-left:0;padding:92px 24px 32px;
    transform:translateX(105%);transition:transform var(--dur) var(--ease);
    z-index:95;overflow-y:auto;box-shadow:-16px 0 40px rgba(11,15,14,.24);
  }
  .nav__main.is-open{transform:translateX(0)}
  .nav__link{color:rgba(244,241,234,.82);font-size:16px;width:100%;padding:14px 0;border-bottom:1px solid rgba(244,241,234,.1)}
  .nav__link::after{display:none}
  .nav__link:hover,.nav__link.is-active{color:var(--c-accent)}
  .mobile-cta{display:inline-flex;margin-top:22px}
  .nav-toggle{display:inline-flex}
  .nav__right .mega{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);max-width:760px;padding-top:52px}
  .toc{display:none}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:820px){
  body{font-size:16px}
  .topbar{display:none}
  .article-hero{padding:32px 0 48px}
  .article-body h2{font-size:22px;margin-top:40px}
  .article-body h3{font-size:19px}
  .article-cta{padding:34px 26px}
  .article-cta h2{font-size:21px}
  .related{margin-top:56px}
  .ritem__thumb{width:88px;height:60px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .article-title{font-size:27px}
  .article-meta{font-size:12.5px;gap:8px 14px}
  .article-lead{font-size:15.5px}
  .article-layout{padding-top:40px}
  .article-body{font-size:16.5px}
  .article-body p{margin-bottom:1.3em}
  .float-cta{right:16px;bottom:16px;height:46px;padding:0 16px;font-size:14px}
  .modal{align-items:flex-end;padding:0}
  .modal__dialog{max-width:none;border-radius:12px 12px 0 0;padding:26px 20px 30px;max-height:92vh}
  .modal__close{top:12px;right:12px}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer{margin-top:64px;padding-top:48px}
  .footer__bottom{flex-direction:column;gap:8px}
  .pager{flex-direction:column;align-items:flex-start}
  .ritem{gap:14px}
  .ritem__thumb{width:76px;height:54px}
  .related__head h2{font-size:21px}
}
@media (max-width:420px){
  .logo__text{font-size:15px}
  .article-title{font-size:24px}
  .article-hero{padding:26px 0 40px}
  .breadcrumb{font-size:12px;margin-bottom:20px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .article-cta{padding:28px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .ritem:hover,.rcard:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F3D33;
  --c-primary-deep:#0B2C24;
  --c-primary-light:#17564A;
  --c-accent:#C8F35C;
  --c-bg:#F4F1EA;
  --c-dark:#0B0F0E;
  --c-card:#FFFFFF;
  --c-card-soft:#FBF9F5;
  --c-text:#121614;
  --c-text-2:#5A625E;
  --c-text-3:#8A908B;
  --c-line:#DCD8CE;
  --c-error:#E4572E;
  --radius-card:6px;
  --radius-btn:3px;
  --radius-modal:8px;
  --shadow-1:0 1px 2px rgba(11,15,14,.04);
  --shadow-2:0 12px 28px rgba(11,15,14,.10);
  --container:1240px;
  --section-y:120px;
  --gap:24px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-sans:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --font-display:'Inter Tight','Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-radius:6px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{line-height:1.16;letter-spacing:-.02em;font-weight:900}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--section-y) 0}
.section--tight{padding:80px 0}
.section--dark{background:var(--c-dark);color:#F4F1EA}
.section--deep{background:var(--c-primary-deep);color:#F4F1EA}
.section--soft{background:var(--c-card-soft)}
.eyebrow{
  display:inline-block;
  font-family:var(--font-display);
  font-size:12px;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-primary-light);
  margin-bottom:16px;
}
.eyebrow--accent{color:var(--c-accent)}
.h2{font-size:clamp(28px,3.1vw,40px)}
.lead{color:var(--c-text-2);font-size:17px;max-width:62ch}
.section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:56px}
.section__head p{color:var(--c-text-2);max-width:60ch}
.section--dark .section__head p,.section--deep .section__head p{color:rgba(244,241,234,.72)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-deep);color:rgba(244,241,234,.82);font-size:13px;height:36px;display:flex;align-items:center}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar a{color:var(--c-accent);border-bottom:1px solid transparent;transition:border-color .22s var(--ease)}
.topbar a:hover{border-bottom-color:var(--c-accent)}

/* ---------- 导航 ---------- */
.site-header{position:relative;z-index:70}
.nav-wrap{
  position:sticky;top:0;z-index:70;
  background:rgba(244,241,234,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled .nav-wrap{box-shadow:0 6px 20px rgba(11,15,14,.06)}
.nav{display:flex;align-items:center;gap:28px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{
  width:32px;height:32px;border-radius:4px;
  background:var(--c-primary);color:var(--c-accent);
  font-family:var(--font-display);font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.logo__text{font-weight:900;font-size:18px;letter-spacing:-.01em;color:var(--c-text);white-space:nowrap}
.nav__main{display:flex;align-items:center;gap:24px;margin-left:8px}
.nav__link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--c-text);
  padding:6px 0;white-space:nowrap;
  transition:color .22s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav__link:hover{color:var(--c-primary)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--c-primary);font-weight:700}
.nav__link.is-active::after{transform:scaleX(1)}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:16px}
.mobile-cta{display:none}
.nav__toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;margin-left:auto;
  background:transparent;border:1px solid var(--c-line);border-radius:3px;cursor:pointer;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--c-primary);margin:0 auto;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Mega ---------- */
.mega{position:relative}
.mega__trigger{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:1px solid var(--c-line);border-radius:3px;
  padding:9px 16px;font-size:14px;font-weight:500;cursor:pointer;
  transition:border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.mega__trigger:hover{border-color:var(--c-primary);color:var(--c-primary);background:#fff}
.mega__caret{font-size:11px;transition:transform .22s var(--ease)}
.mega.is-open .mega__caret{transform:rotate(180deg)}
.mega__panel{
  position:absolute;top:calc(100% + 14px);right:0;width:920px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--c-line);border-radius:8px;
  box-shadow:var(--shadow-2);padding:28px;
  display:grid;grid-template-columns:1.2fr 1.1fr 1fr;gap:28px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega.is-open .mega__panel{opacity:1;visibility:visible;transform:none}
.mega__label{
  font-family:var(--font-display);font-size:12px;font-weight:800;
  letter-spacing:.14em;text-transform:uppercase;color:var(--c-text-3);margin-bottom:14px;
}
.mega__links{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}
.mega__links a{font-size:14px;color:var(--c-text-2);padding:6px 0;border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.mega__links a:hover{color:var(--c-primary);border-bottom-color:var(--c-accent)}
.mega__feed{display:flex;flex-direction:column;gap:12px}
.mega__feed a{display:block;padding-bottom:12px;border-bottom:1px solid var(--c-line)}
.mega__feed a:last-child{border-bottom:0;padding-bottom:0}
.mega__feed-title{display:block;font-size:14px;font-weight:500;line-height:1.5;transition:color .2s var(--ease)}
.mega__feed a:hover .mega__feed-title{color:var(--c-primary)}
.mega__feed-time{display:block;font-family:var(--font-display);font-size:12px;color:var(--c-text-3);margin-top:4px}
.mega__empty{font-size:13px;color:var(--c-text-3)}
.mega__card{display:block;border:1px solid var(--c-line);border-radius:6px;overflow:hidden;background:var(--c-card-soft)}
.mega__card img{width:100%;height:120px;object-fit:cover;border-radius:0}
.mega__card-body{padding:14px}
.mega__card-body strong{display:block;font-size:14px;margin-bottom:4px}
.mega__card-body span{font-size:12px;color:var(--c-text-3)}
.mega__card:hover{box-shadow:var(--shadow-1)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .16s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap;
}
.btn .btn__arrow{transition:transform .24s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--c-primary);color:#F4F1EA}
.btn--primary:hover{background:var(--c-primary-deep);box-shadow:var(--shadow-2)}
.btn--ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary);color:#F4F1EA}
.btn--accent{background:var(--c-accent);color:var(--c-primary-deep)}
.btn--accent:hover{background:#d6f97f}
.btn--ghost-light{background:transparent;border-color:rgba(244,241,234,.4);color:#F4F1EA}
.btn--ghost-light:hover{background:#F4F1EA;color:var(--c-primary-deep);border-color:#F4F1EA}
.btn--block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15px;color:var(--c-primary);
  border-bottom:2px solid var(--c-accent);padding-bottom:2px;
  transition:color .22s var(--ease);
}
.link-arrow span{transition:transform .24s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}
.tag{
  display:inline-block;background:var(--c-accent);color:var(--c-primary-deep);
  font-size:12px;font-weight:800;letter-spacing:.04em;
  padding:4px 10px;border-radius:2px;
}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--c-line);border-radius:2px;
  padding:5px 12px;font-size:12px;font-weight:700;color:var(--c-text-2);background:#fff;
}
.badge--live{border-color:rgba(200,243,92,.5);background:rgba(200,243,92,.16);color:var(--c-primary)}
.dot{width:7px;height:7px;border-radius:50%;background:#E4572E;box-shadow:0 0 0 0 rgba(228,87,46,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(228,87,46,.45)}70%{box-shadow:0 0 0 8px rgba(228,87,46,0)}100%{box-shadow:0 0 0 0 rgba(228,87,46,0)}}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-primary-deep);color:#F4F1EA}
.page-hero__bg{position:absolute;inset:0}
.page-hero__bg img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.5}
.page-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,44,36,.94) 0%,rgba(11,44,36,.72) 48%,rgba(11,15,14,.5) 100%);
}
.page-hero__inner{position:relative;z-index:2;padding:76px 24px 84px;max-width:var(--container);margin:0 auto}
.breadcrumb{font-size:13px;color:rgba(244,241,234,.66);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb a{border-bottom:1px solid transparent;transition:border-color .2s var(--ease)}
.breadcrumb a:hover{border-bottom-color:var(--c-accent);color:var(--c-accent)}
.breadcrumb span:last-child{color:rgba(244,241,234,.92)}
.page-hero h1{font-size:clamp(32px,4.4vw,58px);max-width:18ch;margin-bottom:20px}
.page-hero__sub{font-size:18px;color:rgba(244,241,234,.82);max-width:56ch;margin-bottom:32px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero__trust{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:13px;color:rgba(244,241,234,.72)}
.hero__trust li{display:flex;align-items:center;gap:8px}
.hero__trust li::before{content:"";width:14px;height:1px;background:var(--c-accent);display:inline-block}

/* ---------- 双列介绍 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:start}
.split__body p+p{margin-top:18px}
.feature-list{border-top:1px solid var(--c-line)}
.feature-list li{
  display:grid;grid-template-columns:26px 1fr;gap:14px;
  padding:18px 0;border-bottom:1px solid var(--c-line);
}
.feature-list .idx{font-family:var(--font-display);font-weight:800;font-size:13px;color:var(--c-primary-light);padding-top:4px}
.feature-list strong{display:block;font-size:16px;margin-bottom:4px}
.feature-list p{font-size:14.5px;color:var(--c-text-2);line-height:1.75}

/* ---------- 交错图文 ---------- */
.zigzag{display:flex;flex-direction:column;gap:88px}
.zigzag__item{display:grid;grid-template-columns:1.08fr 1fr;gap:56px;align-items:center}
.zigzag__item:nth-child(even) .zigzag__media{order:2}
.zigzag__media{position:relative}
.zigzag__media::before{
  content:"";position:absolute;left:16px;top:16px;right:-12px;bottom:-12px;
  background:var(--c-accent);border-radius:var(--radius-card);z-index:0;
}
.zigzag__media img{
  position:relative;z-index:1;width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease);
}
.zigzag__media:hover img{transform:scale(1.02)}
.zigzag__body h3{font-size:clamp(22px,2.3vw,28px);margin:14px 0 14px}
.zigzag__body p{color:var(--c-text-2);font-size:16px;margin-bottom:18px}
.check-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.check-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-text-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:2px;background:var(--c-accent);
}

/* ---------- 数据区 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}
.stat{border-top:1px solid rgba(244,241,234,.18);padding-top:22px}
.stat__num{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(36px,4.2vw,56px);line-height:1;letter-spacing:-.03em;
  color:#F4F1EA;display:block;
}
.stat__num em{font-style:normal;color:var(--c-accent)}
.stat__line{display:block;width:44px;height:2px;background:var(--c-accent);margin:16px 0 14px}
.stat__label{font-size:13px;color:rgba(244,241,234,.7);line-height:1.7}

/* ---------- 场景编号列表 ---------- */
.scene-list{border-top:1px solid var(--c-line)}
.scene-item{
  display:grid;grid-template-columns:74px 1fr auto;gap:24px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--c-line);
  transition:padding-left .26s var(--ease);
}
.scene-item:hover{padding-left:10px}
.scene-item__no{
  font-family:var(--font-display);font-weight:800;font-size:22px;color:var(--c-primary-light);
  letter-spacing:-.02em;
}
.scene-item h3{font-size:18px;margin-bottom:6px}
.scene-item p{font-size:15px;color:var(--c-text-2);max-width:70ch}
.scene-item .scene__link{font-size:14px;color:var(--c-primary);font-weight:700;white-space:nowrap;border-bottom:2px solid var(--c-accent)}
.scene-item .scene__link:hover{color:var(--c-primary-deep)}

/* ---------- 项目标签墙 ---------- */
.chip-wall{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--c-line);border-radius:3px;
  padding:10px 18px;font-size:14px;font-weight:500;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.chip:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}

/* ---------- 非对称卡片 ---------- */
.cards-asym{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.card-asym{
  grid-column:span 6;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card-asym--wide{grid-column:span 12;display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center}
.card-asym:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary)}
.card-asym h3{font-size:20px;margin:14px 0 12px}
.card-asym p{font-size:15.5px;color:var(--c-text-2)}
.card-asym img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card-asym__icon{
  width:40px;height:40px;border-radius:3px;background:rgba(200,243,92,.35);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;color:var(--c-primary-deep);
}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--c-line)}
.faq__item{border-bottom:1px solid var(--c-line)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:24px 0;font-size:17px;font-weight:700;color:var(--c-text);
  transition:color .22s var(--ease);
}
.faq__q:hover{color:var(--c-primary)}
.faq__icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;color:var(--c-primary);
  transition:transform .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--c-accent);border-color:var(--c-accent)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq__a p{padding:0 0 26px;font-size:15.5px;color:var(--c-text-2);max-width:74ch}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-deep);color:#F4F1EA;border-top:1px solid var(--c-accent);
  padding:80px 0;
}
.cta-band__inner{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.cta-band h2{font-size:clamp(26px,3vw,38px);margin-bottom:14px}
.cta-band p{color:rgba(244,241,234,.76);font-size:16px;max-width:56ch}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-primary-deep);color:rgba(244,241,234,.78);padding:72px 0 28px;border-top:1px solid var(--c-accent)}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer__brand .logo__text{color:#F4F1EA}
.footer__brand .logo__mark{background:var(--c-accent);color:var(--c-primary-deep)}
.footer__brand p{font-size:14px;margin-top:18px;max-width:38ch;line-height:1.8;color:rgba(244,241,234,.66)}
.footer__col h3{font-size:14px;letter-spacing:.04em;color:#F4F1EA;margin-bottom:18px}
.footer__col a{display:block;font-size:14px;padding:6px 0;color:rgba(244,241,234,.72);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer__col a:hover{color:var(--c-accent);transform:translateX(3px)}
.footer__col p{font-size:14px;padding:4px 0;color:rgba(244,241,234,.66)}
.footer__bottom{
  border-top:1px solid rgba(244,241,234,.14);padding-top:24px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(244,241,234,.52);
}

/* ---------- 浮层与模态 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  height:50px;padding:0 22px;border:0;border-radius:3px;cursor:pointer;
  background:var(--c-accent);color:var(--c-primary-deep);font-weight:800;font-size:15px;
  box-shadow:0 10px 24px rgba(11,15,14,.18);
  display:inline-flex;align-items:center;gap:8px;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.float-cta:hover{transform:translateY(-2px);background:#d6f97f}
.modal{
  position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  padding:24px;opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s;
}
.modal.is-open{opacity:1;visibility:visible}
.modal__overlay{position:absolute;inset:0;background:rgba(11,15,14,.55);border:0;padding:0;cursor:pointer}
.modal__dialog{
  position:relative;z-index:2;width:100%;max-width:520px;background:#fff;
  border-radius:var(--radius-modal);padding:34px;box-shadow:0 24px 60px rgba(11,15,14,.28);
  transform:translateY(10px);transition:transform .28s var(--ease);
  max-height:calc(100vh - 48px);overflow-y:auto;
}
.modal.is-open .modal__dialog{transform:none}
.modal__close{
  position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:3px;
  border:1px solid var(--c-line);background:#fff;cursor:pointer;font-size:18px;line-height:1;
  color:var(--c-text-2);transition:border-color .2s var(--ease),color .2s var(--ease);
}
.modal__close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.modal__dialog h2{font-size:22px;margin-bottom:8px}
.modal__sub{font-size:14px;color:var(--c-text-2);margin-bottom:24px}
.form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field span{font-size:13.5px;font-weight:700;color:var(--c-text-2)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:3px;background:var(--c-card-soft);
  padding:12px 14px;font-size:15px;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);background:#fff;outline:none;
}
.field.has-error input,.field.has-error select{border-color:var(--c-error)}
.field__hint{font-size:13px;color:var(--c-error);display:none}
.field.has-error .field__hint{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-text-2);line-height:1.65}
.consent input{margin-top:4px;width:16px;height:16px;flex-shrink:0;accent-color:#0F3D33}
.form__success{
  display:none;text-align:left;padding:12px 0;
}
.form__success.is-visible{display:block}
.form__success .check{
  width:44px;height:44px;border-radius:50%;background:rgba(200,243,92,.5);
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--c-primary-deep);
  margin-bottom:16px;
}
.form__success h3{font-size:18px;margin-bottom:8px}
.form__success p{font-size:14.5px;color:var(--c-text-2)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--container:1320px}
}
@media (max-width:1024px){
  :root{--section-y:72px;--gap:16px}
  .topbar{display:none}
  .nav__toggle{display:flex}
  .nav__main{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
    background:var(--c-primary-deep);
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:88px 24px 32px;transform:translateX(101%);
    transition:transform .3s var(--ease);z-index:90;overflow-y:auto;
  }
  .nav__main.is-open{transform:none;box-shadow:-20px 0 60px rgba(11,15,14,.3)}
  .nav__link{color:#F4F1EA;padding:16px 0;font-size:16px;border-bottom:1px solid rgba(244,241,234,.12)}
  .nav__link::after{display:none}
  .nav__link.is-active{color:var(--c-accent)}
  .mobile-cta{display:inline-flex;margin-top:26px;width:100%}
  .nav__right{display:none}
  .split{grid-template-columns:1fr;gap:36px}
  .zigzag__item{grid-template-columns:1fr;gap:32px}
  .zigzag__item:nth-child(even) .zigzag__media{order:0}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-band__inner{grid-template-columns:1fr;gap:28px}
  .cta-band__actions{justify-content:flex-start}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .cards-asym{grid-template-columns:repeat(6,1fr)}
  .card-asym{grid-column:span 6}
  .card-asym--wide{grid-template-columns:1fr;gap:20px}
}
@media (max-width:820px){
  body{font-size:16px}
  .section{padding:64px 0}
  .page-hero__inner{padding:56px 24px 64px}
  .scene-item{grid-template-columns:44px 1fr;gap:16px}
  .scene-item .scene__link{grid-column:2;justify-self:start}
  .zigzag{gap:64px}
}
@media (max-width:560px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section__head{margin-bottom:36px}
  .hero__actions .btn{width:100%}
  .stats{grid-template-columns:1fr;gap:24px}
  .footer__grid{grid-template-columns:1fr}
  .card-asym{padding:24px}
  .modal{padding:0;align-items:flex-end}
  .modal__dialog{max-width:none;border-radius:12px 12px 0 0;padding:28px 22px 32px;max-height:90vh}
  .float-cta{right:16px;bottom:16px;left:16px;justify-content:center}
  .faq__q{font-size:16px;padding:20px 0}
}
@media (max-width:420px){
  .logo__text{font-size:16px}
  .page-hero h1{font-size:28px}
  .btn{height:46px;padding:0 18px;font-size:14.5px}
  .stat__num{font-size:34px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F3D33;
  --c-primary-deep:#0B2C24;
  --c-primary-soft:#17564A;
  --c-accent:#C8F35C;
  --c-bg:#F4F1EA;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F5;
  --c-dark:#0B0F0E;
  --c-text:#121614;
  --c-text-2:#5A625E;
  --c-text-3:#8A908B;
  --c-line:#DCD8CE;
  --c-danger:#E4572E;
  --r-card:6px;
  --r-btn:3px;
  --r-img:6px;
  --r-modal:8px;
  --sh-1:0 1px 2px rgba(11,15,14,.04);
  --sh-2:0 12px 28px rgba(11,15,14,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sp-section:120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .24s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:12px;top:12px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px}}
.section{padding:var(--sp-section) 0}
.section--tight{padding:88px 0}
.section--dark{background:var(--c-dark);color:#EDEDE8}
.section__head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-primary-soft);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--c-accent);display:inline-block}
.section--dark .eyebrow{color:var(--c-accent)}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.12;letter-spacing:-.02em;font-weight:900}
h2{font-size:clamp(26px,3vw,38px);line-height:1.2;letter-spacing:-.015em;font-weight:800}
h3{font-size:20px;line-height:1.4;font-weight:700}
.lead{font-size:18px;color:var(--c-text-2);margin-top:16px}
.section--dark .lead{color:#B9C0BB}
.num{font-family:"Inter Tight","Inter",system-ui,sans-serif;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(244,241,234,.96);border-bottom:1px solid var(--c-line);transition:box-shadow .24s var(--ease),background .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(11,15,14,.07);background:rgba(244,241,234,.92);backdrop-filter:blur(10px)}
.topbar{background:var(--c-primary-deep);color:#D8E2DC;font-size:13px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar a{color:var(--c-accent)}
.topbar a:hover{color:#fff}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo__mark{
  width:34px;height:34px;border-radius:6px;background:var(--c-primary);color:var(--c-accent);
  display:grid;place-items:center;font-weight:800;font-size:17px;
  font-family:"Inter Tight","Inter",system-ui,sans-serif;letter-spacing:-.03em;
}
.logo__text{font-weight:800;font-size:18px;color:var(--c-primary);letter-spacing:-.01em}
.nav-wrap{border-top:1px solid rgba(220,216,206,.6)}
.nav{display:flex;align-items:center;gap:34px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav{height:60px}
.nav__main{display:flex;align-items:center;gap:26px;flex:1}
.nav__link{
  position:relative;font-size:15px;color:var(--c-text);padding:6px 0;white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-accent);
  transition:width .26s var(--ease);
}
.nav__link:hover{color:var(--c-primary)}
.nav__link:hover::after,.nav__link.is-active::after{width:100%}
.nav__link.is-active{color:var(--c-primary);font-weight:700}
.nav__right{display:flex;align-items:center;gap:14px}
.mobile-cta,.nav-burger{display:none}
.nav-burger{
  width:42px;height:42px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-burger span{width:18px;height:2px;background:var(--c-primary);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.is-open span:nth-child(2){opacity:0}
.nav-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mega{position:relative}
.mega__trigger{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:var(--c-primary);cursor:pointer;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.mega__trigger:hover{border-color:var(--c-primary);box-shadow:var(--sh-1)}
.mega__caret{font-size:11px;transition:transform .24s var(--ease)}
.mega.is-open .mega__caret{transform:rotate(180deg)}
.mega__panel{
  position:absolute;top:calc(100% + 12px);right:0;width:920px;max-width:calc(100vw - 48px);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-modal);
  box-shadow:var(--sh-2);padding:26px;
  display:grid;grid-template-columns:1.5fr 1fr;gap:28px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega:hover .mega__panel,.mega.is-open .mega__panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega__label{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-text-3);text-transform:uppercase;margin-bottom:14px}
.mega__links{display:grid;grid-template-columns:1fr 1fr;gap:8px 22px}
.mega__links a{font-size:15px;color:var(--c-text);padding:6px 0;border-bottom:1px solid transparent}
.mega__links a:hover{color:var(--c-primary);border-bottom-color:var(--c-accent)}
.mega__feed{display:grid;gap:12px}
.mega__feed a{display:block;padding:12px 14px;background:var(--c-surface-2);border-radius:var(--r-card);border:1px solid var(--c-line)}
.mega__feed a:hover{border-color:var(--c-primary)}
.mega__feed-title{display:block;font-size:14px;font-weight:600;color:var(--c-text);line-height:1.5}
.mega__feed-time{display:block;font-size:12px;color:var(--c-text-3);margin-top:4px}
.mega__empty{font-size:14px;color:var(--c-text-3)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn__arrow{transition:transform .24s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--c-primary);color:#F4F1EA}
.btn--primary:hover{background:var(--c-primary-deep);box-shadow:var(--sh-2)}
.btn--ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary);color:#F4F1EA}
.btn--accent{background:var(--c-accent);color:var(--c-primary-deep)}
.btn--accent:hover{background:#d7fb7c;box-shadow:0 12px 28px rgba(200,243,92,.25)}
.btn--light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn--light:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff}
.btn--block{width:100%}
.btn[disabled]{opacity:.4;pointer-events:none}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--c-primary);
  border-bottom:2px solid var(--c-accent);padding-bottom:3px;transition:color .24s var(--ease),gap .24s var(--ease);
}
.text-link:hover{gap:14px}

/* ---------- hero ---------- */
.hero-sub{
  position:relative;color:#fff;overflow:hidden;
  background:var(--c-primary-deep) url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.hero-sub::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(11,44,36,.94) 0%,rgba(11,44,36,.72) 52%,rgba(11,44,36,.34) 100%);
}
.hero-sub__inner{position:relative;padding:88px 0 92px;max-width:800px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs span:last-child{color:#fff}
.hero-sub h1{color:#fff;max-width:820px}
.hero-sub .lead{color:rgba(255,255,255,.84);max-width:640px;font-size:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:30px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.18);font-size:14px;color:rgba(255,255,255,.72);
}
.hero-trust strong{color:var(--c-accent);font-weight:800;font-family:"Inter Tight","Inter",system-ui,sans-serif}

/* ---------- overview ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.body-copy p{color:var(--c-text-2);margin-bottom:18px}
.body-copy p:last-child{margin-bottom:0}
.body-copy strong{color:var(--c-text);font-weight:700}
.media-card{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);
  background:var(--c-surface);box-shadow:var(--sh-1);
}
.media-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s var(--ease)}
.media-card:hover img{transform:scale(1.03)}
.media-caption{font-size:13px;color:var(--c-text-3);padding:12px 16px;border-top:1px solid var(--c-line);background:var(--c-surface-2)}
.fact-list{margin-top:26px;border-top:1px solid var(--c-line)}
.fact-list li{
  display:grid;grid-template-columns:120px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--c-line);
  font-size:15px;color:var(--c-text-2);
}
.fact-list b{color:var(--c-text);font-weight:700;font-size:15px}

/* ---------- timeline ---------- */
.timeline{list-style:none;max-width:900px}
.timeline__item{position:relative;padding:0 0 38px 74px}
.timeline__item::before{
  content:"";position:absolute;left:19px;top:44px;bottom:-6px;width:1px;background:var(--c-line);
}
.timeline__item:last-child{padding-bottom:0}
.timeline__item:last-child::before{display:none}
.timeline__num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:2px;
  background:var(--c-primary);color:var(--c-accent);display:grid;place-items:center;
  font-family:"Inter Tight","Inter",system-ui,sans-serif;font-weight:800;font-size:15px;
}
.timeline__body h3{margin-bottom:8px}
.timeline__body p{color:var(--c-text-2);font-size:16px;max-width:680px}
.timeline__meta{
  display:inline-block;margin-top:12px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);background:rgba(200,243,92,.35);padding:4px 10px;border-radius:2px;
}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  box-shadow:var(--sh-1);
}
table{width:100%;border-collapse:collapse;min-width:720px}
caption{
  text-align:left;padding:18px 20px 0;font-size:13px;color:var(--c-text-3);
}
th,td{padding:15px 20px;border-bottom:1px solid var(--c-line);font-size:15px;text-align:left;vertical-align:top}
thead th{background:var(--c-primary-deep);color:#E8EFEA;font-weight:700;font-size:14px;letter-spacing:.02em;border-bottom:none}
tbody tr:nth-child(even){background:var(--c-surface-2)}
tbody tr:last-child td{border-bottom:none}
td:first-child{font-weight:700;color:var(--c-text);width:180px}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.stat{padding-top:22px;border-top:1px solid rgba(200,243,92,.35)}
.stat__num{font-size:clamp(34px,3.6vw,48px);line-height:1.05;color:#fff;font-family:"Inter Tight","Inter",system-ui,sans-serif;font-weight:800;letter-spacing:-.03em}
.stat__num em{font-style:normal;color:var(--c-accent);font-size:.62em;margin-left:2px;font-weight:800}
.stat__text{margin-top:12px;font-size:13px;color:#9FA8A2;line-height:1.7}

/* ---------- faq ---------- */
.faq{max-width:860px}
.faq__item{border-bottom:1px solid var(--c-line)}
.faq__item:first-child{border-top:1px solid var(--c-line)}
.faq__item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 48px 22px 0;font-size:18px;font-weight:700;color:var(--c-text);
  transition:color .24s var(--ease);
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
  content:"+";position:absolute;right:6px;top:20px;font-size:24px;line-height:1;
  color:var(--c-primary);transition:transform .26s var(--ease);
}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item summary:hover{color:var(--c-primary)}
.faq__body{padding:0 48px 26px 0;color:var(--c-text-2);font-size:16px}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-primary-deep);color:#fff;
  border-radius:var(--r-card);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,243,92,.22),transparent 68%);
}
.cta-band__inner{position:relative;padding:56px;display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:center}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.78);margin-top:14px;max-width:560px}
.cta-band__actions{display:flex;flex-direction:column;gap:14px}

/* ---------- footer ---------- */
.footer{background:var(--c-primary-deep);color:#C7D2CB;border-top:2px solid var(--c-accent);padding-top:72px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px}
.footer .logo__mark{background:var(--c-accent);color:var(--c-primary-deep)}
.footer .logo__text{color:#fff}
.footer__brand p{margin-top:18px;font-size:14px;color:#9FA8A2;line-height:1.9;max-width:340px}
.footer__col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer__col a,.footer__col p{display:block;font-size:14px;color:#A9B4AE;margin-bottom:10px}
.footer__col a:hover{color:var(--c-accent)}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 24px 26px;font-size:13px;color:#8A948F;
}

/* ---------- float cta + modal ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:120;
  display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 22px;
  background:var(--c-accent);color:var(--c-primary-deep);border:none;border-radius:var(--r-btn);
  font-weight:800;font-size:15px;cursor:pointer;box-shadow:0 10px 26px rgba(11,15,14,.22);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,15,14,.26)}
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.is-open{display:block}
.modal__mask{position:absolute;inset:0;background:rgba(11,15,14,.55)}
.modal__dialog{
  position:relative;width:520px;max-width:calc(100vw - 40px);margin:6vh auto 0;
  background:var(--c-surface);border-radius:var(--r-modal);box-shadow:0 24px 60px rgba(11,15,14,.3);
  padding:32px;max-height:88vh;overflow-y:auto;
}
.modal__close{
  position:absolute;right:16px;top:14px;width:34px;height:34px;border-radius:50%;border:1px solid var(--c-line);
  background:var(--c-surface-2);cursor:pointer;font-size:18px;line-height:1;color:var(--c-text-2);
}
.modal__close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.modal__title{font-size:22px;font-weight:800;letter-spacing:-.01em}
.modal__desc{font-size:14px;color:var(--c-text-2);margin-top:10px}
.form{margin-top:22px;display:grid;gap:16px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:var(--c-text)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface-2);font-size:15px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(200,243,92,.45);
}
.field.is-error input,.field.is-error select{border-color:var(--c-danger)}
.field__err{display:none;font-size:13px;color:var(--c-danger);margin-top:6px}
.field.is-error .field__err{display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-text-2)}
.check input{margin-top:5px}
.form__note{font-size:12px;color:var(--c-text-3)}
.form__success{
  display:none;text-align:center;padding:26px 10px 8px;
}
.form__success.is-on{display:block}
.form__success .tick{
  width:52px;height:52px;border-radius:50%;background:rgba(200,243,92,.4);color:var(--c-primary-deep);
  display:grid;place-items:center;font-size:24px;margin:0 auto 16px;font-weight:800;
}
.form__success h3{margin-bottom:8px}
.form__success p{font-size:14px;color:var(--c-text-2)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sp-section:72px}
  .topbar{display:none}
  .nav{height:66px;gap:18px}
  .nav__main{
    position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);
    background:var(--c-surface);flex-direction:column;align-items:stretch;gap:4px;
    padding:88px 26px 32px;transform:translateX(100%);transition:transform .3s var(--ease);
    box-shadow:-16px 0 44px rgba(11,15,14,.18);overflow-y:auto;z-index:95;
  }
  .nav__main.is-open{transform:translateX(0)}
  .nav__link{width:100%;padding:14px 0;border-bottom:1px solid var(--c-line);font-size:16px}
  .nav__link::after{display:none}
  .nav__link.is-active{color:var(--c-primary)}
  .mobile-cta{display:inline-flex;margin-top:20px;width:100%}
  .mega{display:none}
  .nav-burger{display:flex}
  .split{grid-template-columns:1fr;gap:36px}
  .stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .cta-band__inner{grid-template-columns:1fr;padding:40px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:820px){
  body{font-size:16px}
  .hero-sub__inner{padding:64px 0 68px}
  .section--tight{padding:64px 0}
  .fact-list li{grid-template-columns:1fr;gap:4px}
  .timeline__item{padding-left:60px}
  .cta-band__inner{padding:32px}
}
@media (max-width:560px){
  :root{--sp-section:56px}
  .container{padding:0 20px}
  h1{font-size:28px}
  h2{font-size:24px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stats{grid-template-columns:1fr;gap:18px}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .float-cta{
    left:16px;right:16px;bottom:16px;width:calc(100% - 32px);justify-content:center;
  }
  .modal__dialog{
    width:100%;max-width:100%;margin:auto 0 0;border-radius:12px 12px 0 0;
    position:absolute;bottom:0;left:0;right:0;padding:26px 20px 30px;
  }
  .faq__item summary{font-size:16px;padding-right:40px}
  .faq__body{padding-right:8px}
  .table-wrap{margin:0 -4px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --c-primary:#0F3D33;
  --c-primary-deep:#0B2C24;
  --c-primary-light:#17564A;
  --c-accent:#C8F35C;
  --c-bg:#F4F1EA;
  --c-dark:#0B0F0E;
  --c-card:#FFFFFF;
  --c-card-alt:#FBF9F5;
  --c-text:#121614;
  --c-text-2:#5A625E;
  --c-text-3:#8A908B;
  --c-line:#DCD8CE;
  --c-error:#E4572E;
  --r-card:6px;
  --r-tile:2px;
  --r-btn:3px;
  --r-img:6px;
  --r-modal:8px;
  --sh-1:0 1px 2px rgba(11,15,14,.04);
  --sh-2:0 12px 28px rgba(11,15,14,.10);
  --container:1240px;
  --sec-y:120px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--c-primary-light);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-y) 0;}
.section--tight{padding:80px 0;}

.eyebrow{
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-primary);
  font-weight:700;
  margin-bottom:14px;
}
.eyebrow--light{color:var(--c-accent);}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:52px;}
.section__title{font-size:36px;line-height:1.25;font-weight:900;letter-spacing:-.01em;max-width:760px;}
.section__desc{margin-top:14px;color:var(--c-text-2);max-width:680px;}
.section__link{font-weight:700;font-size:15px;white-space:nowrap;border-bottom:2px solid var(--c-accent);padding-bottom:4px;}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;}
.topbar{background:var(--c-primary);color:rgba(244,241,234,.86);font-size:13px;height:36px;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:36px;}
.topbar a{color:var(--c-accent);font-weight:500;}
.topbar a:hover{color:#fff;}
.nav-wrap{
  position:sticky;top:0;z-index:60;
  background:rgba(244,241,234,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s var(--ease);
}
.nav-wrap.is-scrolled{box-shadow:0 6px 20px rgba(11,15,14,.07);}
.nav{display:flex;align-items:center;gap:32px;height:72px;transition:height .24s var(--ease);}
.nav-wrap.is-scrolled .nav{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:32px;height:32px;border-radius:var(--r-tile);
  background:var(--c-primary);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;font-size:17px;letter-spacing:-.02em;
}
.logo__text{font-weight:900;font-size:18px;color:var(--c-text);letter-spacing:-.01em;white-space:nowrap;}
.logo:hover .logo__text{color:var(--c-primary);}
.nav__main{display:flex;align-items:center;gap:6px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;}
.nav__main::-webkit-scrollbar{display:none;}
.nav__link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--c-text-2);
  white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav__link:hover{color:var(--c-text);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--c-primary);font-weight:700;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.mobile-cta{display:none;}

.mega{position:relative;}
.mega__trigger{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 16px;
  background:transparent;border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-text);font-size:15px;font-weight:500;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.mega__trigger:hover{border-color:var(--c-primary);background:rgba(15,61,51,.04);}
.mega__caret{font-size:11px;transition:transform .22s var(--ease);}
.mega.is-open .mega__caret{transform:rotate(180deg);}
.mega__panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:920px;max-width:calc(100vw - 48px);
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:28px;
  display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega.is-open .mega__panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega__label{font-size:12px;letter-spacing:.14em;color:var(--c-text-3);font-weight:700;margin-bottom:14px;text-transform:uppercase;}
.mega__links{display:grid;gap:10px;}
.mega__links a{font-size:15px;color:var(--c-text);border-bottom:1px solid transparent;padding-bottom:2px;}
.mega__links a:hover{color:var(--c-primary);border-bottom-color:var(--c-accent);}
.mega__feed{display:grid;gap:14px;}
.mega__feed a{display:block;border-left:2px solid var(--c-line);padding-left:12px;}
.mega__feed a:hover{border-left-color:var(--c-accent);}
.mega__feed-title{display:block;font-size:14px;font-weight:500;color:var(--c-text);line-height:1.6;}
.mega__feed-time{display:block;font-size:12px;color:var(--c-text-3);margin-top:4px;}
.mega__empty{font-size:13px;color:var(--c-text-3);}
.mega__card{background:var(--c-card-alt);border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);display:block;}
.mega__card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#e6e2d8;}
.mega__card span{display:block;padding:12px 14px;font-size:14px;font-weight:700;color:var(--c-primary);}
.mega__card:hover span{color:var(--c-primary-light);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .12s var(--ease);
}
.btn .arrow{transition:transform .22s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--c-primary);color:#F4F1EA;}
.btn--primary:hover{background:var(--c-primary-deep);color:#fff;}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary);color:#F4F1EA;}
.btn--light{background:#F4F1EA;color:var(--c-primary);}
.btn--light:hover{background:var(--c-accent);color:var(--c-primary-deep);}
.btn--outline-light{background:transparent;color:#F4F1EA;border-color:rgba(244,241,234,.4);}
.btn--outline-light:hover{border-color:var(--c-accent);color:var(--c-accent);}
.btn--block{width:100%;}
.btn[disabled]{opacity:.4;cursor:not-allowed;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-primary-deep);}
.hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,15,14,.90) 0%,rgba(11,15,14,.72) 48%,rgba(11,15,14,.46) 100%);
}
.hero__inner{position:relative;z-index:2;padding:104px 0 96px;max-width:840px;}
.hero h1{
  font-size:56px;line-height:1.1;font-weight:900;letter-spacing:-.02em;color:#F7F5EF;
}
.hero__sub{margin-top:22px;font-size:19px;color:rgba(244,241,234,.82);max-width:620px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero__trust{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(244,241,234,.18);
  font-size:13px;color:rgba(244,241,234,.66);max-width:620px;
}

/* ---------- compare ---------- */
.compare__grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare__col{border-radius:var(--r-card);padding:34px 32px;border:1px solid var(--c-line);background:var(--c-card-alt);}
.compare__col--pro{background:var(--c-card);border-color:rgba(15,61,51,.24);box-shadow:var(--sh-1);}
.compare__tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;padding:4px 10px;border-radius:var(--r-tile);}
.compare__tag--muted{background:#E6E2D8;color:var(--c-text-2);}
.compare__tag--accent{background:var(--c-accent);color:var(--c-primary-deep);}
.compare__title{margin-top:18px;font-size:22px;font-weight:800;}
.compare__list{margin-top:22px;display:grid;gap:16px;}
.compare__list li{position:relative;padding-left:26px;font-size:16px;color:var(--c-text-2);border-bottom:1px solid var(--c-line);padding-bottom:16px;}
.compare__list li:last-child{border-bottom:0;padding-bottom:0;}
.compare__list li::before{
  content:"";position:absolute;left:0;top:12px;width:12px;height:1px;background:var(--c-text-3);
}
.compare__col--pro .compare__list li{color:var(--c-text);}
.compare__col--pro .compare__list li::before{height:2px;width:14px;background:var(--c-accent);top:11px;}

/* ---------- modes ---------- */
.modes__grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.mode-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.mode-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary);}
.mode-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#e6e2d8;transition:transform .32s var(--ease);}
.mode-card:hover img{transform:scale(1.03);}
.mode-card__body{padding:28px 30px 32px;}
.mode-card__body h3{font-size:22px;font-weight:800;margin-bottom:12px;}
.mode-card__body p{color:var(--c-text-2);}
.mode-card__meta{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px;}
.chip{display:inline-block;font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-tile);background:rgba(15,61,51,.07);color:var(--c-primary);}
.modes__stack{display:grid;gap:24px;}
.mode-card--flat{flex-direction:row;align-items:stretch;}
.mode-card--flat img{width:38%;aspect-ratio:auto;height:100%;min-height:180px;}
.mode-card--flat .mode-card__body{padding:24px 26px;}
.mode-card--flat .mode-card__body h3{font-size:19px;}
.mode-card--flat .mode-card__body p{font-size:15px;}

/* ---------- stats ---------- */
.stats{background:var(--c-dark);color:#F4F1EA;}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.stat{border-top:1px solid rgba(200,243,92,.28);padding-top:22px;}
.stat__num{font-size:48px;line-height:1;font-weight:800;letter-spacing:-.03em;color:#F7F5EF;font-variant-numeric:tabular-nums;}
.stat__num span{color:var(--c-accent);font-size:26px;margin-left:2px;}
.stat__label{margin-top:14px;font-size:13px;color:rgba(244,241,234,.62);line-height:1.7;}
.stats__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:48px;}
.stats__head h2{font-size:34px;font-weight:900;line-height:1.25;max-width:640px;color:#F7F5EF;}
.stats__head p{color:rgba(244,241,234,.62);max-width:340px;font-size:15px;}

/* ---------- steps ---------- */
.steps{border-top:1px solid var(--c-line);}
.step{
  display:grid;grid-template-columns:104px 1fr 200px;gap:28px;align-items:start;
  padding:30px 0;border-bottom:1px solid var(--c-line);
}
.step__no{font-size:34px;font-weight:800;color:var(--c-primary);letter-spacing:-.03em;line-height:1;}
.step__no::after{content:"";display:block;width:32px;height:2px;background:var(--c-accent);margin-top:12px;}
.step__title{font-size:20px;font-weight:800;margin-bottom:8px;}
.step__text{color:var(--c-text-2);font-size:16px;}
.step__meta{font-size:13px;color:var(--c-primary);font-weight:700;text-align:right;padding-top:6px;}

/* ---------- scenes ---------- */
.scenes{background:var(--c-card-alt);}
.scenes__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px 28px;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.scene:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2);}
.scene__icon{
  width:38px;height:38px;border-radius:var(--r-tile);background:var(--c-accent);
  color:var(--c-primary-deep);display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;margin-bottom:18px;
}
.scene h3{font-size:18px;font-weight:800;margin-bottom:10px;}
.scene p{font-size:15px;color:var(--c-text-2);}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--c-line);}
.faq__item{border-bottom:1px solid var(--c-line);}
.faq__q{
  width:100%;background:none;border:0;padding:24px 44px 24px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:18px;font-weight:700;text-align:left;color:var(--c-text);position:relative;
}
.faq__q:hover{color:var(--c-primary);}
.faq__icon{
  position:absolute;right:6px;top:50%;width:16px;height:16px;transform:translateY(-50%);
  transition:transform .24s var(--ease);
}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--c-primary);}
.faq__icon::before{left:0;top:7px;width:16px;height:2px;}
.faq__icon::after{top:0;left:7px;width:2px;height:16px;}
.faq__item.is-open .faq__icon{transform:translateY(-50%) rotate(45deg);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq__a p{padding:0 44px 26px 0;color:var(--c-text-2);font-size:16px;}

/* ---------- cta ---------- */
.cta-band{background:var(--c-primary);color:#F4F1EA;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,243,92,.22),transparent 68%);
}
.cta-band__inner{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center;padding:96px 0;}
.cta-band h2{font-size:38px;line-height:1.22;font-weight:900;color:#F7F5EF;}
.cta-band p{margin-top:16px;color:rgba(244,241,234,.78);max-width:560px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-band__note{margin-top:18px;font-size:13px;color:rgba(244,241,234,.6);text-align:right;}

/* ---------- footer ---------- */
.footer{background:var(--c-primary-deep);color:rgba(244,241,234,.78);padding-top:72px;border-top:1px solid var(--c-accent);}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px;}
.footer .logo__mark{background:var(--c-accent);color:var(--c-primary-deep);}
.footer .logo__text{color:#F7F5EF;}
.footer__brand p{margin-top:18px;font-size:15px;max-width:340px;color:rgba(244,241,234,.68);}
.footer__col h3{font-size:14px;letter-spacing:.1em;color:#F7F5EF;font-weight:700;margin-bottom:18px;}
.footer__col a{display:block;font-size:15px;color:rgba(244,241,234,.74);margin-bottom:12px;}
.footer__col a:hover{color:var(--c-accent);}
.footer__col p{font-size:15px;margin-bottom:10px;color:rgba(244,241,234,.68);}
.footer__bottom{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid rgba(244,241,234,.14);
  padding-top:22px;padding-bottom:30px;font-size:13px;color:rgba(244,241,234,.5);
}

/* ---------- float + modal ---------- */
.float-btn{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;
  height:50px;padding:0 22px;border:0;border-radius:var(--r-btn);
  background:var(--c-primary);color:#F4F1EA;font-weight:700;font-size:15px;
  box-shadow:var(--sh-2);
  transition:background .22s var(--ease),transform .12s var(--ease);
}
.float-btn:hover{background:var(--c-primary-deep);}
.float-btn:active{transform:translateY(1px);}
.modal{
  position:fixed;inset:0;z-index:90;display:none;
  align-items:center;justify-content:center;
  background:rgba(11,15,14,.55);padding:24px;
}
.modal.is-open{display:flex;}
.modal__panel{
  width:520px;max-width:100%;max-height:90vh;overflow-y:auto;
  background:var(--c-card);border-radius:var(--r-modal);
  padding:32px 32px 28px;box-shadow:var(--sh-2);
}
.modal__head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;}
.modal__head h2{font-size:22px;font-weight:800;}
.modal__head p{margin-top:8px;font-size:14px;color:var(--c-text-2);}
.modal__close{
  background:none;border:1px solid var(--c-line);border-radius:var(--r-tile);
  width:32px;height:32px;line-height:1;color:var(--c-text-2);flex:0 0 auto;
}
.modal__close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.field{margin-top:18px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-card-alt);transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(15,61,51,.10);
}
.field textarea{min-height:96px;resize:vertical;}
.field.is-error input,.field.is-error select{border-color:var(--c-error);}
.field__err{display:none;margin-top:6px;font-size:14px;color:var(--c-error);}
.field.is-error .field__err{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13px;color:var(--c-text-2);line-height:1.7;}
.check input{margin-top:4px;flex:0 0 auto;}
.form-success{display:none;text-align:center;padding:24px 0 8px;}
.form-success.is-visible{display:block;}
.form-success__tick{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  background:var(--c-accent);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:900;
}
.form-success h3{font-size:19px;font-weight:800;margin-bottom:8px;}
.form-success p{font-size:15px;color:var(--c-text-2);}
.form-note{margin-top:16px;font-size:13px;color:var(--c-text-3);line-height:1.7;}

/* ---------- responsive ---------- */
@media (min-width:1440px){
  :root{--container:1320px;--sec-y:128px;}
}
@media (max-width:1280px){
  .hero h1{font-size:48px;}
  .hero__inner{padding:88px 0 80px;}
  .mega__panel{width:820px;}
}
@media (max-width:1024px){
  :root{--sec-y:84px;}
  .topbar{display:none;}
  .nav{gap:18px;height:64px;}
  .nav-wrap.is-scrolled .nav{height:58px;}
  .logo__text{font-size:16px;}
  .mobile-cta{display:inline-flex;height:38px;padding:0 16px;font-size:14px;}
  .mega__panel{grid-template-columns:1fr 1fr;width:640px;padding:22px;}
  .mega__col:last-child{display:none;}
  .hero h1{font-size:40px;}
  .hero__sub{font-size:17px;}
  .section__title{font-size:30px;}
  .compare__grid{grid-template-columns:1fr;}
  .modes__grid{grid-template-columns:1fr;}
  .modes__stack{grid-template-columns:1fr 1fr;}
  .stats__grid{grid-template-columns:1fr 1fr;gap:28px;}
  .stats__head{flex-direction:column;align-items:flex-start;}
  .scenes__grid{grid-template-columns:1fr 1fr;}
  .step{grid-template-columns:72px 1fr;gap:20px;}
  .step__meta{grid-column:2;text-align:left;padding-top:0;}
  .cta-band__inner{grid-template-columns:1fr;padding:72px 0;gap:32px;}
  .cta-band__actions{justify-content:flex-start;}
  .cta-band__note{text-align:left;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:820px){
  .hero h1{font-size:34px;letter-spacing:-.01em;}
  .hero__inner{padding:72px 0 64px;}
  .hero__actions .btn{flex:1 1 auto;}
  .section__title{font-size:26px;}
  .stats__num,.stat__num{font-size:40px;}
  .faq__q{font-size:17px;padding-right:40px;}
  .modes__stack{grid-template-columns:1fr;}
  .mode-card--flat{flex-direction:column;}
  .mode-card--flat img{width:100%;aspect-ratio:16/9;min-height:0;}
}
@media (max-width:560px){
  :root{--sec-y:56px;}
  body{font-size:16px;}
  .container{padding:0 20px;}
  .nav{gap:12px;}
  .logo__text{font-size:15px;}
  .hero h1{font-size:28px;}
  .hero__sub{font-size:16px;}
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .section__head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .compare__col{padding:26px 22px;}
  .scenes__grid{grid-template-columns:1fr;}
  .stats__grid{grid-template-columns:1fr 1fr;gap:22px;}
  .stat__num{font-size:34px;}
  .step{grid-template-columns:1fr;gap:12px;}
  .step__no{font-size:26px;}
  .step__meta{grid-column:1;}
  .footer__grid{grid-template-columns:1fr;}
  .cta-band h2{font-size:28px;}
  .cta-band__actions .btn{width:100%;}
  .modal{padding:0;align-items:flex-end;}
  .modal__panel{width:100%;border-radius:12px 12px 0 0;max-height:88vh;padding:26px 20px 22px;}
  .float-btn{right:16px;bottom:16px;height:46px;padding:0 18px;font-size:14px;}
  .footer__bottom{flex-direction:column;gap:8px;}
}
@media (max-width:420px){
  .hero h1{font-size:25px;}
  .section__title{font-size:23px;}
  .stat__num{font-size:30px;}
  .faq__q{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --c-primary:#0F3D33;
  --c-primary-deep:#0B2C24;
  --c-primary-light:#17564A;
  --c-accent:#C8F35C;
  --c-bg:#F4F1EA;
  --c-dark:#0B0F0E;
  --c-card:#FFFFFF;
  --c-card-soft:#FBF9F5;
  --c-text:#121614;
  --c-text-2:#5A625E;
  --c-text-3:#8A908B;
  --c-line:#DCD8CE;
  --c-error:#E4572E;
  --r-card:6px;
  --r-btn:3px;
  --r-img:6px;
  --r-modal:8px;
  --sh-1:0 1px 2px rgba(11,15,14,.04);
  --sh-2:0 12px 28px rgba(11,15,14,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1440px){:root{--container:1320px;}}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;}
.topbar{height:36px;background:var(--c-primary-deep);color:#D6E2DD;font-size:13px;}
.topbar__inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar a{color:var(--c-accent);border-bottom:1px solid transparent;transition:border-color .25s var(--ease);}
.topbar a:hover{border-color:var(--c-accent);}
.nav-wrap{
  background:rgba(244,241,234,.97);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(8px);
  transition:padding .25s var(--ease),background .25s var(--ease);
}
.nav{display:flex;align-items:center;gap:32px;height:72px;position:relative;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:34px;height:34px;border-radius:4px;
  background:var(--c-primary);color:var(--c-accent);
  display:grid;place-items:center;
  font-weight:800;font-size:18px;letter-spacing:.02em;
}
.logo__text{font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--c-primary-deep);}
.nav__main{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav__link{
  position:relative;font-size:15px;color:var(--c-text-2);
  padding:6px 0;transition:color .25s var(--ease);
  white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav__link:hover{color:var(--c-primary-deep);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--c-primary-deep);font-weight:700;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__right{display:flex;align-items:center;gap:14px;margin-left:8px;}
.nav__toggle{
  display:none;align-items:center;gap:8px;
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-btn);padding:8px 12px;font-size:14px;margin-left:auto;
}
.mobile-cta{display:none;}

/* ---------- Mega ---------- */
.mega{position:relative;}
.mega__trigger{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-primary);color:#F2F6F3;border:1px solid var(--c-primary);
  border-radius:var(--r-btn);padding:10px 18px;font-size:14px;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.mega__trigger:hover{background:var(--c-primary-deep);}
.mega__caret{font-size:11px;transition:transform .25s var(--ease);}
.mega.is-open .mega__caret{transform:rotate(180deg);}
.mega__panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:920px;max-width:calc(100vw - 48px);
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1.6fr .9fr 1fr;gap:28px;
  padding:28px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega.is-open .mega__panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega__label{
  font-size:12px;letter-spacing:.14em;color:var(--c-text-3);
  text-transform:uppercase;margin-bottom:14px;font-weight:700;
}
.mega__links{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;}
.mega__links a{font-size:14px;color:var(--c-text-2);padding:4px 0;transition:color .2s var(--ease);}
.mega__links a:hover{color:var(--c-primary);}
.mega__feed{display:flex;flex-direction:column;gap:12px;}
.mega__feed a{display:block;padding-bottom:10px;border-bottom:1px solid var(--c-line);}
.mega__feed-title{display:block;font-size:14px;line-height:1.6;color:var(--c-text);}
.mega__feed-time{display:block;font-size:12px;color:var(--c-text-3);margin-top:4px;}
.mega__feed a:hover .mega__feed-title{color:var(--c-primary);}
.mega__card{
  display:block;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-card-soft);
}
.mega__card img{width:100%;height:110px;object-fit:cover;transition:transform .3s var(--ease);}
.mega__card:hover img{transform:scale(1.03);}
.mega__card span{display:block;padding:12px 14px;font-size:13px;color:var(--c-primary-deep);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.btn__arrow{transition:transform .25s var(--ease);}
.btn:hover .btn__arrow{transform:translateX(4px);}
.btn--primary{background:var(--c-primary);color:#F2F6F3;}
.btn--primary:hover{background:var(--c-primary-deep);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{border-color:var(--c-primary);color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary);color:#F2F6F3;}
.btn--light{background:var(--c-accent);color:var(--c-primary-deep);}
.btn--light:hover{background:#D6FF6E;}
.btn--outline-light{border-color:rgba(244,241,234,.4);color:#F4F1EA;}
.btn--outline-light:hover{background:rgba(244,241,234,.12);}
.btn--block{width:100%;}
.link-more{
  font-size:14px;color:var(--c-primary);font-weight:500;
  border-bottom:2px solid var(--c-accent);padding-bottom:2px;
  display:inline-flex;align-items:center;gap:6px;
}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;min-height:320px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(11,15,14,.88) 0%,rgba(11,15,14,.62) 52%,rgba(15,61,51,.45) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  color:#F4F1EA;padding:64px 0;
}
.page-hero__inner{max-width:760px;}
.breadcrumb{
  font-size:13px;color:rgba(244,241,234,.66);margin-bottom:22px;
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
}
.breadcrumb a{color:rgba(244,241,234,.8);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb span[aria-current]{color:rgba(244,241,234,.55);}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;
  color:var(--c-primary-deep);background:var(--c-accent);
  padding:5px 12px;border-radius:2px;margin-bottom:20px;
}
.page-hero .eyebrow{margin-bottom:20px;}
.page-hero__title{
  font-size:clamp(30px,4.4vw,52px);line-height:1.16;font-weight:900;
  letter-spacing:-.02em;margin-bottom:18px;
}
.page-hero__lead{font-size:17px;color:rgba(244,241,234,.86);max-width:620px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{
  margin-top:22px;font-size:13px;color:rgba(244,241,234,.62);
  display:flex;align-items:center;gap:10px;
}
.hero-note::before{content:"";width:22px;height:2px;background:var(--c-accent);}

/* ---------- 板块 ---------- */
.section{padding:120px 0;}
.section--tight{padding:88px 0;}
.section--dark{background:var(--c-dark);color:#EDEFEA;}
.section--deep{background:var(--c-primary-deep);color:#EDEFEA;}
.section__head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;margin-bottom:52px;}
.section__title{font-size:clamp(24px,3vw,36px);line-height:1.24;font-weight:900;letter-spacing:-.02em;}
.section__desc{font-size:16px;color:var(--c-text-2);max-width:640px;margin-top:14px;}
.section--dark .section__desc,.section--deep .section__desc{color:rgba(237,239,234,.72);}
.rule{height:1px;background:var(--c-line);border:0;margin:0;}
.section--dark .rule,.section--deep .rule{background:rgba(237,239,234,.14);}

/* ---------- 摘要 + 数据 ---------- */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;}
.intro-copy p{color:var(--c-text-2);margin-bottom:18px;}
.intro-copy p:last-child{margin-bottom:0;}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:28px 32px;}
.stat{border-top:2px solid var(--c-accent);padding-top:16px;}
.stat__num{
  font-size:clamp(32px,4vw,48px);font-weight:800;line-height:1;
  letter-spacing:-.03em;color:var(--c-primary-deep);
}
.stat__num small{font-size:16px;font-weight:700;margin-left:4px;color:var(--c-primary);}
.stat__label{font-size:13px;color:var(--c-text-2);margin-top:10px;line-height:1.7;}

/* ---------- 图集网格 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.gallery__item{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--c-primary-deep);border:1px solid var(--c-line);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.gallery__item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary);}
.gallery__media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.gallery__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s var(--ease);
  background:linear-gradient(135deg,#17564A,#0B2C24);
}
.gallery__item:hover .gallery__media img{transform:scale(1.03);}
.gallery__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,15,14,.05) 30%,rgba(11,15,14,.82) 100%);
}
.gallery__tag{
  position:absolute;left:14px;top:14px;z-index:2;
  background:var(--c-accent);color:var(--c-primary-deep);
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:2px;
}
.gallery__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:20px;color:#F4F1EA;
}
.gallery__title{font-size:18px;font-weight:700;margin-bottom:6px;letter-spacing:-.01em;}
.gallery__text{font-size:13.5px;line-height:1.7;color:rgba(244,241,234,.8);}

/* ---------- 深色保障区块 ---------- */
.guarantee{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.guarantee__item{
  border:1px solid rgba(200,243,92,.26);
  border-radius:var(--r-card);padding:26px 22px;
  background:rgba(244,241,234,.03);
  transition:border-color .28s var(--ease),background .28s var(--ease),transform .28s var(--ease);
}
.guarantee__item:hover{border-color:var(--c-accent);background:rgba(200,243,92,.06);transform:translateY(-2px);}
.guarantee__no{
  font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--c-accent);
  display:block;margin-bottom:18px;
}
.guarantee__title{font-size:19px;font-weight:700;margin-bottom:10px;color:#F4F1EA;}
.guarantee__text{font-size:14px;line-height:1.8;color:rgba(237,239,234,.72);}

/* ---------- 方案对比 ---------- */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);}
.plan{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
  transition:box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.plan:hover{box-shadow:var(--sh-2);border-color:var(--c-primary-light);}
.plan__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:8px;}
.plan__name{font-size:22px;font-weight:900;letter-spacing:-.01em;}
.plan__badge{
  font-size:12px;font-weight:700;color:var(--c-primary);
  background:rgba(200,243,92,.38);padding:4px 10px;border-radius:2px;white-space:nowrap;
}
.plan__sub{font-size:14px;color:var(--c-text-3);margin-bottom:22px;}
.plan ul{display:flex;flex-direction:column;gap:14px;margin-bottom:26px;}
.plan li{
  display:flex;gap:12px;font-size:15px;color:var(--c-text-2);
  padding-bottom:14px;border-bottom:1px solid var(--c-line);
}
.plan li:last-child{border-bottom:0;padding-bottom:0;}
.plan li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;
  background:var(--c-accent);border-radius:1px;
}
.plan__meta{font-size:13px;color:var(--c-text-3);margin-bottom:22px;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;}
.faq__item{border-bottom:1px solid var(--c-line);}
.faq__item:first-child{border-top:1px solid var(--c-line);}
.faq__q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;font-size:17px;font-weight:700;color:var(--c-text);
  transition:color .25s var(--ease);
}
.faq__q:hover{color:var(--c-primary);}
.faq__icon{
  flex:0 0 auto;width:26px;height:26px;border:1px solid var(--c-line);
  border-radius:50%;display:grid;place-items:center;font-size:15px;
  color:var(--c-primary);transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--c-accent);border-color:var(--c-accent);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq__inner{padding:0 0 26px;font-size:15.5px;color:var(--c-text-2);max-width:720px;}

/* ---------- CTA / 表单 ---------- */
.cta-band{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.cta-band__title{font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.26;letter-spacing:-.02em;margin-bottom:16px;}
.cta-band__text{color:rgba(237,239,234,.76);margin-bottom:26px;}
.cta-list{display:flex;flex-direction:column;gap:14px;margin-bottom:28px;}
.cta-list li{display:flex;gap:12px;font-size:15px;color:rgba(237,239,234,.86);}
.cta-list li::before{content:"";flex:0 0 auto;width:18px;height:2px;background:var(--c-accent);margin-top:13px;}
.form-card{
  background:var(--c-card);color:var(--c-text);
  border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:20px;font-weight:800;margin-bottom:6px;}
.form-card > p{font-size:14px;color:var(--c-text-3);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--c-text-2);margin-bottom:8px;}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-card-soft);padding:12px 14px;font-size:15px;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--c-primary-light);background:#fff;
}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-text-3);margin:6px 0 20px;}
.consent input{margin-top:4px;}
.form-hint{font-size:13px;color:var(--c-text-3);margin-top:14px;text-align:center;}
.form-success{
  display:none;background:rgba(200,243,92,.28);border:1px solid var(--c-accent);
  border-radius:var(--r-btn);padding:14px;font-size:14px;color:var(--c-primary-deep);margin-top:16px;
}
.form-success.is-visible{display:block;}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-primary);color:#D8E4DF;border-top:3px solid var(--c-accent);}
.footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:72px 24px 48px;
}
.footer__brand p{font-size:14px;line-height:1.85;color:rgba(216,228,223,.78);margin-top:18px;max-width:340px;}
.footer .logo__mark{background:rgba(200,243,92,.16);color:var(--c-accent);}
.footer .logo__text{color:#F4F1EA;}
.footer__col h3{font-size:14px;font-weight:700;color:#F4F1EA;margin-bottom:18px;letter-spacing:.04em;}
.footer__col a,.footer__col p{display:block;font-size:14px;color:rgba(216,228,223,.8);margin-bottom:12px;transition:color .25s var(--ease);}
.footer__col a:hover{color:var(--c-accent);}
.footer__bottom{
  border-top:1px solid rgba(216,228,223,.18);
  padding-top:22px;padding-bottom:32px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(216,228,223,.62);
}

/* ---------- 浮层与模态 ---------- */
.fab{
  position:fixed;right:24px;bottom:24px;z-index:90;
  background:var(--c-primary);color:#F2F6F3;border:1px solid var(--c-primary-light);
  border-radius:var(--r-btn);height:48px;padding:0 20px;font-size:14px;font-weight:500;
  box-shadow:var(--sh-2);display:inline-flex;align-items:center;gap:10px;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.fab:hover{background:var(--c-primary-deep);transform:translateY(-2px);}
.fab__dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.modal{
  position:fixed;inset:0;z-index:100;display:none;
  background:rgba(11,15,14,.55);
  align-items:center;justify-content:center;padding:24px;
}
.modal.is-open{display:flex;}
.modal__dialog{
  width:100%;max-width:520px;background:var(--c-card);
  border-radius:var(--r-modal);padding:32px;position:relative;
  box-shadow:var(--sh-2);max-height:90vh;overflow:auto;
}
.modal__close{
  position:absolute;right:14px;top:14px;width:32px;height:32px;
  border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);
  display:grid;place-items:center;font-size:16px;color:var(--c-text-2);
}
.modal__close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.modal__dialog h3{font-size:20px;font-weight:800;margin-bottom:6px;}
.modal__dialog > p{font-size:14px;color:var(--c-text-3);margin-bottom:22px;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav__main{gap:20px;}
  .nav__link{font-size:14px;}
}
@media (max-width:1024px){
  .section{padding:80px 0;}
  .section--tight{padding:64px 0;}
  .topbar{display:none;}
  .nav__toggle{display:inline-flex;}
  .nav__main{
    position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
    background:var(--c-bg);flex-direction:column;align-items:stretch;
    gap:4px;padding:80px 24px 32px;margin:0;
    transform:translateX(102%);transition:transform .3s var(--ease);
    box-shadow:-12px 0 32px rgba(11,15,14,.18);overflow-y:auto;z-index:85;
  }
  .nav__main.is-open{transform:none;}
  .nav__link{padding:14px 0;border-bottom:1px solid var(--c-line);font-size:16px;}
  .nav__link::after{display:none;}
  .nav__link.is-active{color:var(--c-primary);}
  .mobile-cta{display:inline-flex;margin-top:22px;}
  .nav__right{display:none;}
  .intro-grid,.cta-band,.plans{grid-template-columns:1fr;gap:36px;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .guarantee{grid-template-columns:repeat(2,1fr);}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:820px){
  .section{padding:72px 0;}
  .section__head{margin-bottom:36px;}
  .page-hero{padding:52px 0;min-height:auto;}
  .stats{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .nav{height:64px;}
  .logo__text{font-size:16px;}
  .section{padding:56px 0;}
  .gallery{grid-template-columns:1fr;}
  .guarantee{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;gap:22px;}
  .footer__grid{grid-template-columns:1fr;padding:52px 20px 36px;}
  .footer__bottom{flex-direction:column;}
  .form-card{padding:24px;}
  .modal{padding:0;align-items:flex-end;}
  .modal__dialog{
    max-width:100%;border-radius:12px 12px 0 0;padding:26px 20px 30px;
  }
  .fab{right:16px;bottom:16px;height:44px;padding:0 16px;font-size:13px;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:420px){
  .page-hero__title{font-size:26px;}
  .section__title{font-size:22px;}
  .plan{padding:24px;}
  .stat__num{font-size:30px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .gallery__item:hover,.fab:hover,.guarantee__item:hover{transform:none;}
}