/* roulang page: index */
:root{
  --ink-900:#122927;--ink-800:#16302F;--jade-600:#4C7A73;--jade-100:#E6EDEA;
  --copper-500:#B5884A;--paper:#F7F5F0;--card:#FFFFFF;--line:#E3E1DA;
  --text:#2A2E2C;--muted:#6B736F;--danger:#A5483C;
  --serif:"Songti SC","SimSun","Noto Serif SC",Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r-card:14px;--r-img:10px;--r-btn:6px;
  --shadow:0 12px 32px rgba(22,48,47,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body,html{font-family:var(--sans);}
body{margin:0;background:var(--paper);color:var(--text);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;}
body.no-scroll{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink-900);font-weight:600;margin:0;letter-spacing:-.015em;line-height:1.25;}
p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--jade-600);outline-offset:3px;border-radius:3px;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:1440px){.grid-container{max-width:1280px;}}
.grid-padding-x{padding-left:0;padding-right:0;}
.grid-padding-x>.cell{padding-left:16px;padding-right:16px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}

/* 通用组件 */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.08em;color:var(--muted);text-transform:none;}
.eyebrow::before{content:"";width:12px;height:1px;background:var(--copper-500);display:block;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:44px;}
.sec-head__left{max-width:640px;}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin:14px 0 12px;}
.sec-head p.sec-sub{font-size:15px;color:var(--muted);line-height:1.8;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:500;cursor:pointer;transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);}
.btn--primary{background:var(--ink-900);color:#F5F3EE;border-color:var(--ink-900);}
.btn--primary:hover{background:var(--jade-600);border-color:var(--jade-600);transform:translateY(-2px);}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink-900);}
.btn--ghost:hover{border-color:var(--jade-600);color:var(--jade-600);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--ink-900);border-bottom:1px solid var(--line);padding-bottom:3px;transition:color .22s var(--ease),border-color .22s var(--ease);}
.link-arrow span{transition:transform .22s var(--ease);}
.link-arrow:hover{color:var(--jade-600);border-color:var(--jade-600);}
.link-arrow:hover span{transform:translateX(3px);}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--jade-100);color:var(--jade-600);font-size:12px;letter-spacing:.04em;}

/* 公告条 */
.notice-bar{background:var(--card);border-bottom:1px solid var(--line);}
.notice-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;font-size:13px;color:var(--muted);}
.notice-bar__inner p{flex:1 1 auto;}
.notice-bar__close{background:none;border:0;font-size:18px;line-height:1;color:var(--muted);cursor:pointer;padding:4px 8px;border-radius:4px;transition:color .2s var(--ease);}
.notice-bar__close:hover{color:var(--ink-900);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.86);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:background .25s var(--ease),border-color .25s var(--ease);}
.site-header.is-scrolled{background:#FBF9F5;border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;height:72px;transition:height .25s var(--ease);}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{width:30px;height:30px;border-radius:8px;background:var(--ink-900);display:grid;place-items:center;flex:0 0 auto;}
.brand__mark svg{width:18px;height:18px;}
.brand__text{font-family:var(--serif);font-size:17px;letter-spacing:.01em;color:var(--ink-900);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:34px;font-size:15px;}
.nav-links a{position:relative;color:var(--ink-800);padding:6px 0;letter-spacing:.01em;transition:color .2s var(--ease);}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--copper-500);transition:width .24s var(--ease);}
.nav-links a:hover{color:var(--jade-600);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--ink-900);}
.nav-links a.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-actions .btn{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:transparent;border-radius:var(--r-btn);cursor:pointer;position:relative;}
.nav-toggle i{position:absolute;left:12px;right:12px;height:1.5px;background:var(--ink-900);transition:transform .24s var(--ease),opacity .2s var(--ease);}
.nav-toggle i:nth-child(1){top:15px;}
.nav-toggle i:nth-child(2){top:20px;}
.nav-toggle i:nth-child(3){top:25px;}
.nav-toggle.is-active i:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle.is-active i:nth-child(2){opacity:0;}
.nav-toggle.is-active i:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.mobile-drawer{position:fixed;top:0;right:0;width:min(84vw,360px);height:100%;background:#FBF9F5;border-left:1px solid var(--line);transform:translateX(102%);transition:transform .3s var(--ease);z-index:70;padding:88px 28px 32px;display:flex;flex-direction:column;gap:8px;}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer a.d-link{display:block;padding:16px 0;font-size:18px;border-bottom:1px solid var(--line);color:var(--ink-800);}
.mobile-drawer a.d-link.is-active{color:var(--copper-500);}
.mobile-drawer .btn{margin-top:20px;width:100%;}

/* Hero */
.hero{padding:84px 0 88px;background:linear-gradient(180deg,#FBF9F5 0%,var(--paper) 100%);border-bottom:1px solid var(--line);}
.hero__grid{align-items:center;}
.hero__text{max-width:560px;}
.hero__text h1{font-size:clamp(34px,5vw,58px);line-height:1.15;letter-spacing:-.02em;margin:18px 0 20px;}
.hero__sub{font-size:17px;color:var(--muted);max-width:520px;line-height:1.85;}
.hero__cta{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:34px;}
.hero__trust{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;font-size:13px;color:var(--muted);}
.hero__trust li{position:relative;padding-left:16px;}
.hero__trust li:first-child{padding-left:0;}
.hero__trust li+li::before{content:"";position:absolute;left:0;top:50%;width:1px;height:12px;margin-top:-6px;background:var(--line);}
.hero__media{margin-top:8px;}
.hero__media img{width:100%;border-radius:var(--r-img);aspect-ratio:4/3;object-fit:cover;}

/* 痛点 */
.pain{padding:88px 0;border-bottom:1px solid var(--line);}
.pain__list{margin-top:8px;}
.pain__item{display:flex;gap:20px;padding:26px 0;border-bottom:1px solid var(--line);}
.pain__no{font-family:var(--serif);font-size:20px;color:var(--copper-500);flex:0 0 42px;line-height:1.4;}
.pain__item h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.pain__item p{font-size:15px;color:var(--muted);}

/* 方案卡片 */
.plan{padding:96px 0;border-bottom:1px solid var(--line);}
.plan__main{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;transition:box-shadow .24s var(--ease),transform .24s var(--ease);}
.plan__main:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.plan__main img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.plan__main-body{padding:28px 30px 32px;}
.plan__main-body h3{font-size:24px;margin-bottom:12px;}
.plan__main-body p{font-size:15px;color:var(--muted);margin-bottom:20px;}
.plan__steps{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:6px 24px;height:100%;}
.plan__step{display:flex;align-items:center;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);transition:background .2s var(--ease);}
.plan__step:last-child{border-bottom:0;}
.plan__step:hover{background:var(--jade-100);}
.plan__step-no{font-family:var(--serif);font-size:14px;color:var(--copper-500);flex:0 0 26px;}
.plan__step-text{flex:1 1 auto;}
.plan__step-text h4{font-size:16px;font-weight:600;font-family:var(--sans);margin-bottom:4px;transition:color .2s var(--ease);}
.plan__step-text p{font-size:13px;color:var(--muted);}
.plan__step:hover .plan__step-text h4{color:var(--jade-600);}
.plan__step-arrow{font-size:16px;color:var(--muted);transition:transform .2s var(--ease),color .2s var(--ease);}
.plan__step:hover .plan__step-arrow{transform:translateX(3px);color:var(--copper-500);}

/* 数据条 */
.stats{background:var(--ink-900);color:#EDEAE3;padding:76px 0;background-image:linear-gradient(rgba(18,41,39,.95),rgba(18,41,39,.95)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;}
.stats__lead{font-size:15px;color:rgba(237,234,227,.72);max-width:520px;}
.stats__grid{margin-top:44px;}
.stat{padding:8px 16px 0;border-left:1px solid rgba(237,234,227,.16);}
.stats__grid .cell:first-child .stat{border-left:0;padding-left:0;}
.stat__num{font-family:var(--serif);font-size:44px;line-height:1.1;color:#F4F1EA;letter-spacing:-.02em;}
.stat__num small{font-size:16px;font-family:var(--sans);margin-left:6px;color:var(--copper-500);letter-spacing:0;}
.stat__label{font-size:13px;color:rgba(237,234,227,.68);margin-top:10px;}

/* 最新信息 */
.news{padding:96px 0;border-bottom:1px solid var(--line);}
.cms-list{margin-top:8px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.cms-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .24s var(--ease),transform .24s var(--ease);}
.cms-item:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.cms-item__media{display:block;overflow:hidden;}
.cms-item__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease);}
.cms-item:hover .cms-item__media img{transform:scale(1.03);}
.cms-item__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.cms-item__meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);}
.cms-item__title{font-size:17px;line-height:1.55;font-family:var(--sans);font-weight:600;}
.cms-item__title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s var(--ease);}
.cms-item__title a:hover{color:var(--jade-600);}
.cms-item__excerpt{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-item__link{margin-top:auto;font-size:14px;color:var(--ink-900);border-bottom:1px solid var(--line);align-self:flex-start;padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease);}
.cms-item__link:hover{color:var(--jade-600);border-color:var(--jade-600);}
.cms-empty{grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--card);color:var(--muted);font-size:15px;}

/* FAQ */
.faq{padding:96px 0;border-bottom:1px solid var(--line);}
.faq__list{margin-top:12px;border-top:1px solid var(--line);}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{width:100%;background:none;border:0;text-align:left;display:flex;align-items:center;gap:14px;padding:22px 0;font-size:17px;font-weight:500;color:var(--ink-900);cursor:pointer;font-family:var(--sans);}
.faq__dot{width:6px;height:6px;border-radius:50%;background:#C9CCC6;flex:0 0 auto;transition:background .22s var(--ease);}
.faq__item.is-open .faq__dot{background:var(--copper-500);}
.faq__icon{margin-left:auto;font-size:18px;color:var(--muted);transition:transform .24s var(--ease);}
.faq__item.is-open .faq__icon{transform:rotate(45deg);color:var(--copper-500);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq__a p{font-size:15px;line-height:1.85;color:var(--muted);max-width:760px;padding:0 0 24px 20px;}

/* CTA */
.cta{padding:96px 0;background:var(--jade-100);}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta__inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta__inner p{color:var(--muted);font-size:15px;max-width:560px;}

/* 隐私说明 */
.privacy{padding:56px 0 72px;border-bottom:1px solid var(--line);}
.privacy .grid-x{align-items:flex-start;}
.privacy__item{display:flex;gap:10px;font-size:13px;color:var(--muted);line-height:1.75;}
.privacy__item svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;stroke:var(--jade-600);fill:none;stroke-width:1.6;}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:90;display:none;}
.modal.is-open{display:block;}
.modal__backdrop{position:absolute;inset:0;background:rgba(18,41,39,.42);}
.modal__panel{position:relative;margin:6vh auto;width:min(520px,92vw);background:#FBF9F5;border-radius:16px;padding:34px 34px 30px;max-height:88vh;overflow:auto;}
.modal__close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:transparent;font-size:18px;line-height:1;color:var(--muted);cursor:pointer;transition:color .2s var(--ease),border-color .2s var(--ease);}
.modal__close:hover{color:var(--ink-900);border-color:var(--jade-600);}
.modal__panel h2{font-size:22px;margin-bottom:8px;}
.modal__sub{font-size:14px;color:var(--muted);margin-bottom:24px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--ink-800);margin-bottom:6px;}
.field input,.field select,.field textarea{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:6px;background:#fff;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s 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(--ink-900);box-shadow:0 0 0 2px var(--jade-100);}
.field input.is-error,.field textarea.is-error,.field select.is-error{border-color:var(--danger);}
.field__err{display:block;font-size:12px;color:var(--danger);margin-top:5px;min-height:16px;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:6px 0 4px;}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--ink-900);}
.modal__panel .btn{width:100%;margin-top:16px;}
.modal__success{padding:8px 0 4px;}
.modal__success h2{margin-bottom:12px;}
.modal__success p{font-size:15px;color:var(--muted);margin-bottom:10px;}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(237,234,227,.72);padding:72px 0 28px;font-size:14px;}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:#F4F1EA;font-family:var(--sans);font-weight:600;margin-bottom:18px;}
.footer-brand__name{font-family:var(--serif);font-size:18px;color:#F4F1EA;margin-bottom:12px;}
.footer-brand p{font-size:13px;line-height:1.9;max-width:320px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:rgba(237,234,227,.72);transition:color .2s var(--ease),border-color .2s var(--ease);border-bottom:1px solid transparent;}
.footer-col a:hover{color:var(--copper-500);border-bottom-color:var(--copper-500);}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(237,234,227,.14);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(237,234,227,.56);}
.footer-bottom a{color:inherit;border-bottom:1px solid rgba(237,234,227,.28);}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

@media(max-width:1023px){
  .section,.plan,.news,.faq{padding:72px 0;}
  .hero{padding:64px 0 68px;}
  .nav-links,.nav-actions .btn{display:none;}
  .nav-toggle{display:block;}
  .cms-list{grid-template-columns:repeat(2,1fr);gap:24px;}
  .stats__grid .cell:nth-child(3) .stat{border-left:0;padding-left:0;}
}
@media(max-width:639px){
  .section,.plan,.news,.faq,.cta{padding:64px 0;}
  .hero{padding:52px 0 56px;}
  .hero__text h1{font-size:34px;}
  .brand__text{font-size:15px;}
  .cms-list{grid-template-columns:1fr;gap:20px;}
  .cms-item__media img{aspect-ratio:16/9;}
  .pain__item{flex-direction:column;gap:8px;}
  .stats__grid .cell .stat{border-left:0;padding-left:0;margin-bottom:20px;}
  .stat__num{font-size:34px;}
  .modal__panel{width:100%;max-width:100%;margin:8vh 0 0;border-radius:20px 20px 0 0;position:absolute;bottom:0;max-height:92vh;}
  .modal__backdrop{border-radius:0;}
  .cta__inner{flex-direction:column;align-items:flex-start;}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{animation:none!important;transition:none!important;}
}

/* roulang page: article */
:root{
  --ink-900:#122927;
  --ink-800:#16302F;
  --jade-600:#4C7A73;
  --jade-100:#E6EDEA;
  --copper-500:#B5884A;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3E1DA;
  --line-soft:#EFEDE6;
  --text:#2A2E2C;
  --muted:#6B736F;
  --danger:#A5483C;
  --radius-card:14px;
  --radius-img:10px;
  --radius-btn:6px;
  --shadow-hover:0 12px 32px rgba(22,48,47,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --serif:"Songti SC","SimSun","Noto Serif SC",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease)}
h1,h2,h3,h4,h5{margin:0;font-family:var(--serif);font-weight:700;color:var(--ink-900);letter-spacing:-.01em;line-height:1.3}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--jade-600);outline-offset:2px}
.grid-container{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.grid-container{max-width:1280px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(247,245,240,.99)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:var(--card)}
.brand__mark svg{width:18px;height:18px}
.brand__text{font-family:var(--serif);font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--ink-900);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-size:15px;letter-spacing:.02em;color:var(--text);padding:4px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--ink-900);transition:width .2s var(--ease)}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--ink-900)}
.nav-links a.is-active::after{width:100%;height:2px;background:var(--copper-500)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px}
.nav-toggle i{display:block;width:18px;height:1.5px;background:var(--ink-900);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-backdrop{position:fixed;inset:0;background:rgba(18,41,39,.38);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:65}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);
  font-size:15px;line-height:1;letter-spacing:.02em;
  border:1px solid transparent;transition:all .22s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--ink-900);color:#F4F2EC;border-color:var(--ink-900)}
.btn--primary:hover{background:var(--ink-800);border-color:var(--ink-800);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink-900);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--jade-600);color:var(--jade-600);background:#fff}
.btn--line{padding:0;border:0;color:var(--jade-600);font-size:15px;border-bottom:1px solid transparent}
.btn--line:hover{border-bottom-color:var(--copper-500);color:var(--ink-900)}

/* ---------- 文章主体 ---------- */
.article-main{padding:34px 0 96px}
.breadcrumb{font-size:13px;color:var(--muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--jade-600)}
.breadcrumb .sep{color:#C4C1B8}
.breadcrumb .current{color:var(--ink-800);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}
.article-head{max-width:820px;margin:0 auto;padding:30px 0 0}
.article-badge{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--jade-100);color:var(--jade-600);
  font-size:12px;letter-spacing:.08em;
}
.article-title{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.28;letter-spacing:-.02em;
  margin:16px 0 18px;word-break:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.article-meta .sep{width:1px;height:12px;background:var(--line);display:inline-block}
.article-rule{height:1px;background:var(--line);margin:30px 0 0}

/* ---------- 正文排版 ---------- */
.article-body{
  max-width:740px;margin:0 auto;padding-top:40px;
  font-size:17px;line-height:1.9;color:var(--text);
}
.article-body > p:first-child{font-size:18px;color:#333835}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.4vw,26px);
  margin:2.4em 0 .85em;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:3px;height:20px;background:var(--copper-500);border-radius:2px;
}
.article-body h3{font-size:19px;margin:2em 0 .6em;color:var(--ink-800)}
.article-body h4{font-size:17px;margin:1.6em 0 .5em}
.article-body p{margin:0 0 1.4em}
.article-body a{color:var(--jade-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--copper-500)}
.article-body img{border-radius:var(--radius-img);margin:1.6em 0}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:3px solid var(--jade-600);
  background:var(--jade-100);
  border-radius:0 8px 8px 0;
  color:#39423F;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.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:.45em 0}
.article-body li::marker{color:var(--copper-500)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:#F2F1EC;font-weight:600;color:var(--ink-800)}
.article-body pre{
  background:#F1F0EB;border-radius:10px;padding:16px 18px;overflow-x:auto;
  font-family:var(--mono);font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body code{font-family:var(--mono);font-size:.9em;background:#F1F0EB;padding:2px 6px;border-radius:4px}
.article-body pre code{background:none;padding:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}

/* ---------- 空态 ---------- */
.article-empty{
  max-width:740px;margin:40px auto 0;padding:56px 32px;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
}
.article-empty__mark{width:52px;height:52px;margin:0 auto 18px;border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;background:#FCFBF8}
.article-empty__mark svg{width:24px;height:24px}
.article-empty h2{font-size:20px;margin-bottom:10px}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ---------- 关键词 ---------- */
.article-tags{max-width:740px;margin:48px auto 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.article-tags__label{font-size:13px;color:var(--muted);letter-spacing:.06em;margin-right:4px}
.tag{
  display:inline-block;padding:5px 13px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--muted);transition:all .22s var(--ease);
}
.tag:hover{border-color:var(--jade-600);color:var(--jade-600)}

/* ---------- 相关推荐 ---------- */
.section-block{margin-top:88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:clamp(20px,2.2vw,25px)}
.section-head .section-sub{font-size:14px;color:var(--muted);margin-top:8px}
.section-head .link-more{font-size:14px;color:var(--jade-600);border-bottom:1px solid transparent}
.section-head .link-more:hover{border-bottom-color:var(--copper-500);color:var(--ink-900)}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D9D6CD}
.rec-card__media{overflow:hidden}
.rec-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease)}
.rec-card:hover .rec-card__media img{transform:scale(1.03)}
.rec-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-card__tag{font-size:12px;letter-spacing:.08em;color:var(--jade-600)}
.rec-card__title{
  font-family:var(--serif);font-size:17px;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-card__desc{
  font-size:13.5px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}

/* ---------- 返回与上下页 ---------- */
.article-nav{
  max-width:740px;margin:56px auto 0;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;
}
.article-nav a{font-size:14px;color:var(--muted);border-bottom:1px solid transparent;padding-bottom:2px}
.article-nav a:hover{color:var(--ink-900);border-bottom-color:var(--copper-500)}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:88px;padding:52px 44px;border-radius:18px;
  background:var(--ink-900);color:#EAE8E1;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{color:#F6F4EE;font-size:clamp(21px,2.3vw,27px);margin-bottom:12px}
.cta-band p{margin:0;color:#B7C2BE;font-size:15px;max-width:52ch;line-height:1.8}
.cta-band .btn--primary{background:var(--copper-500);border-color:var(--copper-500);color:#1B2422}
.cta-band .btn--primary:hover{background:#C79A5C;border-color:#C79A5C}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn--ghost{color:#EAE8E1;border-color:rgba(234,232,225,.34)}
.cta-band .btn--ghost:hover{border-color:#EAE8E1;color:#fff;background:transparent}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;border-top:1px solid var(--line);background:var(--paper);padding:64px 0 28px}
.site-footer h4{font-family:var(--sans);font-size:13px;letter-spacing:.12em;color:var(--muted);margin-bottom:16px;font-weight:600}
.footer-brand__name{font-family:var(--serif);font-size:18px;font-weight:700;color:var(--ink-900);margin-bottom:12px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:34ch;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:var(--text);line-height:1.6}
.footer-col ul li a:hover{color:var(--copper-500);border-bottom:1px solid var(--copper-500)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);border-bottom:1px solid transparent}
.footer-bottom a:hover{color:var(--jade-600);border-bottom-color:var(--jade-600)}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-16px;margin-right:-16px}
.grid-x > .cell{padding-left:16px;padding-right:16px;width:100%}
.grid-x > .small-6{width:50%}
.grid-x > .large-2{width:16.6667%}
.grid-x > .large-3{width:25%}
.grid-x > .large-4{width:33.3333%}
footer .cell{margin-bottom:28px}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* ---------- 断点 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:0;right:0;z-index:70;
    height:100vh;width:min(320px,86vw);
    padding:92px 28px 32px;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--card);border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .28s var(--ease);
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{width:100%;padding:16px 0;font-size:17px;border-bottom:1px solid var(--line-soft)}
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--copper-500)}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .cta-band{padding:40px 28px}
  .grid-x > .large-2,.grid-x > .large-3,.grid-x > .large-4{width:50%}
}
@media (max-width:639px){
  .grid-container{padding:0 18px}
  .brand__text{font-size:15px;white-space:normal;max-width:58vw;line-height:1.3}
  .nav-actions .btn--ghost{display:none}
  .article-main{padding:22px 0 72px}
  .article-body{font-size:16px;line-height:1.85;padding-top:30px}
  .article-body h2{margin-top:2em}
  .article-body table{font-size:13.5px}
  .article-body th,.article-body td{padding:8px 9px}
  .rec-grid{grid-template-columns:1fr}
  .section-block{margin-top:64px}
  .article-tags{margin-top:36px}
  .cta-band{margin-top:64px;padding:34px 22px;border-radius:16px}
  .cta-band .cta-actions{width:100%}
  .cta-band .btn{width:100%}
  .site-footer{padding:48px 0 24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .grid-x > .small-6,.grid-x > .large-2,.grid-x > .large-3,.grid-x > .large-4{width:100%}
}

/* roulang page: category1 */
:root{
  --ink-900:#122927;
  --ink-800:#16302F;
  --jade-600:#4C7A73;
  --jade-100:#E6EDEA;
  --copper-500:#B5884A;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3E1DA;
  --text:#2A2E2C;
  --muted:#6B736F;
  --danger:#A5483C;
  --serif:"Songti SC","SimSun","Noto Serif SC",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --radius-card:14px;
  --radius-img:10px;
  --radius-btn:6px;
  --shadow-hover:0 12px 32px rgba(22,48,47,.08);
  --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;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink-900)}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
li{list-style:none}
:focus-visible{outline:2px solid var(--jade-600);outline-offset:3px;border-radius:3px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink-900);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px}
@media(min-width:1440px){.grid-container{max-width:1280px}}
/* 覆盖 Foundation 默认观感 */
a{color:inherit;transition:color .2s var(--ease)}
a:hover{color:var(--jade-600)}
button,.button{border-radius:var(--radius-btn);background:none;box-shadow:none}
.callout{background:none;border:0;margin:0;padding:0}
.grid-x>.cell{padding-left:0;padding-right:0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:#F7F5F0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:72px;transition:height .25s var(--ease)}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:18px;letter-spacing:.01em;color:var(--ink-900);white-space:nowrap}
.brand__mark{display:inline-flex;width:24px;height:24px}
.brand__mark svg{width:24px;height:24px}
.nav-links{display:flex;align-items:center;gap:32px;font-size:15px;letter-spacing:.02em}
.nav-links a{position:relative;padding:4px 0;color:var(--text)}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--copper-500);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a.is-active{color:var(--ink-900)}
.nav-actions{display:flex;align-items:center;gap:16px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius-btn);font-size:15px;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn--primary{background:var(--ink-900);color:#F7F5F0}
.btn--primary:hover{background:var(--ink-800);color:#fff}
.btn--ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn--ghost:hover{background:var(--ink-900);color:#F7F5F0}
.btn--text{padding:11px 0;border:0;background:none;color:var(--ink-900);border-bottom:1px solid var(--line);border-radius:0}
.btn--text:hover{color:var(--jade-600);border-bottom-color:var(--jade-600)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;background:transparent;cursor:pointer;padding:10px 9px;flex-direction:column;justify-content:space-between}
.nav-toggle i{display:block;height:1.5px;background:var(--ink-900);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:120;
  background:var(--card);border-left:1px solid var(--line);
  padding:88px 28px 28px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;gap:0;
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer a{display:block;padding:16px 0;font-size:17px;border-bottom:1px solid var(--line);color:var(--ink-900)}
.mobile-drawer a:hover{color:var(--jade-600)}
.mobile-drawer .btn{margin-top:26px;border-bottom:0;text-align:center;display:flex}
.drawer-mask{position:fixed;inset:0;background:rgba(18,41,39,.4);z-index:110;opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease)}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 页头 ---------- */
.page-head{padding:44px 0 0}
.crumbs{margin-bottom:26px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li+li::before{content:"/";color:var(--line)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--ink-900)}
.crumbs .current{color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60vw}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.08em;color:var(--muted);
}
.eyebrow::before{content:"";width:12px;height:1px;background:var(--copper-500)}
.page-head h1{
  font-family:var(--serif);
  font-size:clamp(34px,5vw,58px);
  line-height:1.15;letter-spacing:-.02em;
  margin:18px 0 16px;
}
.page-head__lead{font-size:17px;color:var(--muted);max-width:660px}
.page-head__text{max-width:820px;margin-top:24px;font-size:17px;line-height:1.9;color:var(--text)}
.page-head__media{
  position:relative;margin-top:40px;border-radius:var(--radius-img);overflow:hidden;
  background:var(--jade-100);padding-top:56.25%;
}
.page-head__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.head-rule{height:1px;background:var(--line);margin-top:44px}

/* ---------- 主体：左索引 + 右条目 ---------- */
.section{padding:76px 0}
.section--tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-family:var(--serif);font-size:clamp(24px,3vw,34px);line-height:1.25;letter-spacing:-.01em;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px}
.layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:56px;align-items:start}
.toc{position:sticky;top:96px}
.toc h2{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:600;padding-bottom:14px;border-bottom:1px solid var(--line)}
.toc ol{margin-top:6px}
.toc a{
  position:relative;display:block;padding:12px 0 12px 16px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.toc a::before{content:"";position:absolute;left:0;top:50%;width:6px;height:1px;background:var(--copper-500);transform:translateY(-50%)}
.toc a:hover{color:var(--jade-600);padding-left:20px}

.entry-list{border-top:1px solid var(--line)}
.entry{
  display:grid;grid-template-columns:56px minmax(0,1fr) 24px;
  gap:18px;align-items:center;
  padding:24px 16px 24px 8px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.entry:hover{background:var(--jade-100);padding-left:16px}
.entry__num{font-family:var(--serif);font-size:14px;letter-spacing:.08em;color:var(--copper-500)}
.entry__title{font-size:19px;font-weight:600;color:var(--ink-900);margin-bottom:6px;transition:color .2s var(--ease)}
.entry:hover .entry__title{color:var(--jade-600)}
.entry__desc{font-size:15px;color:var(--muted);line-height:1.7}
.entry__arrow{justify-self:end;color:var(--muted);transition:transform .2s var(--ease),color .2s var(--ease)}
.entry:hover .entry__arrow{transform:translateX(4px);color:var(--copper-500)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.step{background:var(--card);padding:34px 30px}
.step__num{font-family:var(--serif);font-size:32px;line-height:1;color:var(--copper-500);letter-spacing:.02em}
.step h3{font-size:20px;margin:16px 0 10px}
.step p{font-size:15px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- 表格 ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card)}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:15px}
thead th{font-size:13px;letter-spacing:.06em;color:var(--muted);font-weight:600;text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{padding:18px 20px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--text)}
tbody tr:last-child td{border-bottom:0}
tbody td:first-child{font-weight:600;color:var(--ink-900);white-space:nowrap}

/* ---------- 数据条 ---------- */
.stats{background:var(--ink-900);color:#F3F1EB}
.stats .grid-container{padding-top:58px;padding-bottom:58px}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px}
.stat{border-left:1px solid rgba(243,241,235,.18);padding-left:22px}
.stat:first-child{border-left:0;padding-left:0}
.stat__num{font-family:var(--serif);font-size:40px;line-height:1.1;color:#fff;letter-spacing:.01em}
.stat__num small{font-size:16px;margin-left:4px;color:rgba(243,241,235,.8);font-family:var(--sans)}
.stat__label{font-size:13px;color:rgba(243,241,235,.72);margin-top:8px;letter-spacing:.04em}

/* ---------- 提示条列表 ---------- */
.notes{display:grid;gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.note{background:var(--paper);padding:26px 8px 26px 0;display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px}
.note__num{font-family:var(--serif);font-size:14px;color:var(--copper-500);padding-top:4px;letter-spacing:.08em}
.note h3{font-size:18px;margin-bottom:8px}
.note p{font-size:15px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:24px 0 24px 22px;font-size:17px;font-weight:600;color:var(--ink-900);position:relative;
  transition:color .2s var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:33px;width:6px;height:6px;border-radius:50%;
  background:var(--line);transition:background .2s var(--ease);
}
.faq-item.is-open .faq-q::before{background:var(--copper-500)}
.faq-q:hover{color:var(--jade-600)}
.faq-q .sign{flex:0 0 auto;font-family:var(--sans);font-size:18px;line-height:1.5;color:var(--muted);transition:color .2s var(--ease),transform .25s var(--ease)}
.faq-item.is-open .faq-q .sign{color:var(--copper-500);transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{margin:0 0 24px;padding-left:22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:760px}

/* ---------- CTA ---------- */
.cta{
  background:var(--jade-100);border-radius:16px;padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:10px}
.cta p{color:var(--muted);font-size:16px;margin:0;max-width:560px}
.cta__action{flex:0 0 auto}

/* ---------- 延伸阅读 ---------- */
.read-next{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.read-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--jade-600)}
.read-card__media{position:relative;padding-top:62.5%;background:var(--jade-100);overflow:hidden}
.read-card__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.read-card:hover .read-card__media img{transform:scale(1.03)}
.read-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.read-card__tag{align-self:flex-start;font-size:12px;letter-spacing:.06em;color:var(--jade-600);background:var(--jade-100);border-radius:999px;padding:4px 12px}
.read-card h3{font-size:17px;line-height:1.55}
.read-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
.read-card__link{margin-top:auto;font-size:14px;color:var(--ink-900);display:inline-flex;align-items:center;gap:6px}
.read-card__link:hover{color:var(--jade-600)}
.read-card__link svg{transition:transform .2s var(--ease)}
.read-card:hover .read-card__link svg{transform:translateX(3px)}

/* ---------- 弹层与表单 ---------- */
.modal{
  position:fixed;inset:0;z-index:150;display:none;
  background:rgba(18,41,39,.46);padding:24px;
  align-items:center;justify-content:center;
}
.modal.is-open{display:flex}
.modal__panel{
  background:var(--card);border-radius:16px;width:100%;max-width:520px;
  padding:34px 32px 30px;position:relative;max-height:90vh;overflow-y:auto;
}
.modal__close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:transparent;cursor:pointer;font-size:16px;color:var(--muted);
  display:flex;align-items:center;justify-content:center;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.modal__close:hover{border-color:var(--ink-900);color:var(--ink-900)}
.modal__panel h2{font-family:var(--serif);font-size:24px;margin-bottom:8px}
.modal__panel>p{font-size:15px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink-900);margin-bottom:8px}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;font-family:var(--sans);font-size:15px;color:var(--text);
  padding:11px 14px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input,.field select{height:44px}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--jade-600);box-shadow:0 0 0 2px var(--jade-100);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger)}
.field__err{display:none;font-size:13px;color:var(--danger);margin-top:6px}
.field.has-error .field__err{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7}
.check input{margin-top:4px;flex:0 0 auto}
.check.has-error{color:var(--danger)}
.modal__success{display:none;text-align:center;padding:18px 0 8px}
.modal__success.is-visible{display:block}
.modal__success h3{font-family:var(--serif);font-size:22px;margin-bottom:10px}
.modal__success p{font-size:15px;color:var(--muted)}
.modal__icon{width:46px;height:46px;border-radius:50%;background:var(--jade-100);color:var(--jade-600);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(243,241,235,.78);padding:76px 0 28px;margin-top:100px}
.site-footer h4{font-size:14px;letter-spacing:.08em;color:#fff;margin-bottom:18px;font-weight:600}
.footer-brand__name{font-family:var(--serif);font-size:19px;color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(243,241,235,.7);max-width:330px}
.footer-col{margin-bottom:32px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(243,241,235,.78)}
.footer-col a:hover{color:var(--copper-500);text-decoration:underline}
.footer-col span{font-size:14px;color:rgba(243,241,235,.6)}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid rgba(243,241,235,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(243,241,235,.6);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn--ghost{display:none}
  .nav-toggle{display:flex}
  .layout{grid-template-columns:1fr;gap:36px}
  .toc{position:static}
  .steps{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .read-next{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta{flex-direction:column;align-items:flex-start}
}
@media(max-width:768px){
  body{font-size:16px}
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .page-head{padding-top:28px}
  .entry{grid-template-columns:44px minmax(0,1fr) 20px;gap:14px;padding:20px 12px 20px 4px}
  .entry:hover{padding-left:8px}
  .entry__title{font-size:17px}
  .read-next{grid-template-columns:1fr}
}
@media(max-width:639px){
  .brand__text{font-size:16px}
  .page-head h1{font-size:32px}
  .page-head__media{padding-top:56.25%}
  .stats-grid{grid-template-columns:1fr;gap:26px}
  .stat{border-left:0;padding-left:0;border-top:1px solid rgba(243,241,235,.18);padding-top:22px}
  .stat:first-child{border-top:0;padding-top:0}
  .cta{padding:32px 24px}
  .modal{align-items:flex-end;padding:0}
  .modal__panel{max-width:100%;border-radius:20px 20px 0 0;padding:30px 22px 26px;max-height:88vh}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink-900:#122927;
  --ink-800:#16302f;
  --jade-600:#4c7a73;
  --jade-100:#e6edea;
  --copper-500:#b5884a;
  --paper:#f7f5f0;
  --card:#ffffff;
  --line:#e3e1da;
  --text:#2a2e2c;
  --muted:#6b736f;
  --danger:#a5483c;
  --radius-card:14px;
  --radius-img:10px;
  --radius-btn:6px;
  --shadow-hover:0 12px 32px rgba(22,48,47,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --serif:"Songti SC","Noto Serif SC",SimSun,Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--ink-900)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6,p{margin:0}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--ink-900);line-height:1.3}
:focus-visible{outline:2px solid var(--jade-600);outline-offset:3px;border-radius:2px}

/* ============ 覆盖 Foundation 默认观感 ============ */
body,html{font-family:var(--sans)}
h1,h2,h3,h4,h5,h6{font-family:var(--serif)}
a{color:inherit}
a:hover,a:focus{color:var(--ink-900)}
button,.button{border-radius:var(--radius-btn)}
.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.grid-container{max-width:1280px}}
.grid-x{margin-left:0;margin-right:0}
.grid-x>.cell{padding-left:0;padding-right:0}
.grid-x.grid-padding-x{margin-left:-16px;margin-right:-16px}
.grid-x.grid-padding-x>.cell{padding-left:16px;padding-right:16px}

/* ============ 通用排版组件 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.08em;color:var(--jade-600);
  text-transform:none;
}
.eyebrow::before{content:"";width:12px;height:1px;background:var(--copper-500);display:inline-block}
.eyebrow--light{color:rgba(247,245,240,.72)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{background:var(--ink-900);color:#f7f5f0;border-color:var(--ink-900)}
.btn--primary:hover{background:var(--ink-800);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(18,41,39,.16)}
.btn--ghost{background:transparent;color:var(--ink-900);border-color:rgba(18,41,39,.24)}
.btn--ghost:hover{border-color:var(--jade-600);color:var(--jade-600);background:rgba(76,122,115,.06)}
.btn--block{width:100%}
.btn--text{padding:0;height:auto;color:var(--ink-900);border:0;font-size:15px}
.btn--text svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn--text:hover{color:var(--copper-500)}
.btn--text:hover svg{transform:translateX(3px)}

.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--jade-600);font-weight:500;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.text-link:hover{color:var(--copper-500);border-bottom-color:var(--copper-500)}
.text-link:hover svg{transform:translateX(3px)}

.tag{
  display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--jade-600);
  background:var(--jade-100);border-radius:999px;padding:3px 12px;line-height:1.7;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(247,245,240,.98);border-bottom-color:var(--line)}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;transition:height .24s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{display:flex;align-items:center;justify-content:center;width:30px;height:30px}
.brand__mark svg{width:26px;height:26px}
.brand__text{
  font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink-900);
  letter-spacing:.01em;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;color:var(--muted);letter-spacing:.03em;
  padding:6px 1px;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--copper-500);transition:width .2s var(--ease);
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--ink-900);font-weight:600}
.nav-links a.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-actions .btn{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-btn);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid rgba(18,41,39,.16);
}
.nav-toggle i{display:block;width:16px;height:1.6px;background:var(--ink-900);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* 移动端抽屉 */
.nav-drawer{position:fixed;inset:0;z-index:90;visibility:hidden;opacity:0;transition:opacity .26s var(--ease),visibility .26s var(--ease)}
.nav-drawer.is-open{visibility:visible;opacity:1}
.nav-drawer__backdrop{position:absolute;inset:0;background:rgba(18,41,39,.42)}
.nav-drawer__panel{
  position:absolute;top:0;right:0;height:100%;width:min(84vw,340px);
  background:var(--card);padding:26px 22px 32px;
  display:flex;flex-direction:column;gap:4px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
  border-left:1px solid var(--line);
}
.nav-drawer.is-open .nav-drawer__panel{transform:translateX(0)}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.nav-drawer__head span{font-family:var(--serif);font-size:16px;color:var(--ink-900)}
.nav-drawer__close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--muted);border-radius:var(--radius-btn)}
.nav-drawer__close:hover{color:var(--ink-900);background:var(--jade-100)}
.nav-drawer__links{display:flex;flex-direction:column;padding-top:8px}
.nav-drawer__links a{
  padding:16px 2px;font-size:17px;color:var(--ink-900);
  border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
}
.nav-drawer__links a::after{content:"›";color:var(--muted);font-size:20px;line-height:1}
.nav-drawer__links a.is-active{color:var(--copper-500)}
.nav-drawer__cta{margin-top:auto;padding-top:24px}

/* ============ 页面板块基础 ============ */
.section{padding:96px 0}
.section--alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin:14px 0 12px;letter-spacing:-.01em}
.section-head__sub{color:var(--muted);font-size:16px}

/* ============ 面包屑 ============ */
.crumb{padding:26px 0 22px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb li{display:flex;align-items:center;gap:8px;white-space:nowrap}
.crumb li+li::before{content:"";width:1px;height:12px;background:var(--line);display:inline-block}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--jade-600)}
.crumb li[aria-current="page"]{color:var(--ink-900)}

/* ============ 页头 ============ */
.page-head{padding-bottom:64px}
.page-head__grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.page-head h1{
  font-size:clamp(34px,5vw,52px);line-height:1.15;letter-spacing:-.02em;
  margin:18px 0 18px;
}
.page-head .lede{font-size:17px;line-height:1.9;color:var(--text);max-width:620px}
.page-head__actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:30px}
.page-head__meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;font-size:13px;color:var(--muted)}
.page-head__meta span{display:flex;align-items:center;gap:8px}
.page-head__meta span+span::before{content:"";width:1px;height:12px;background:var(--line);display:inline-block;margin-right:10px}
.page-head__media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--line);
}
.page-head__divider{height:1px;background:var(--line);margin-top:56px}

/* ============ 图文交替行 ============ */
.rows{display:flex;flex-direction:column}
.row-item{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.row-item:first-child{padding-top:8px}
.row-item:last-child{border-bottom:0;padding-bottom:0}
.row-item__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--line);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.row-item__media:hover img{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.row-item:nth-child(even) .row-item__media{order:2}
.row-item__text h3{font-size:clamp(20px,2.4vw,26px);margin:16px 0 14px;letter-spacing:-.01em}
.row-item__text p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:18px}

/* ============ 深色核对区 ============ */
.band-dark{background:var(--ink-900);color:#eae7e0;border:0}
.band-dark h2,.band-dark h3,.band-dark h4{color:#f7f5f0}
.band-dark__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}
.band-dark__intro p{color:rgba(234,231,224,.72);font-size:16px;line-height:1.9;margin-top:16px;max-width:420px}
.checks{display:flex;flex-direction:column;border-top:1px solid rgba(247,245,240,.16)}
.checks li{
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:22px 0;border-bottom:1px solid rgba(247,245,240,.16);
}
.checks__num{
  font-family:var(--serif);font-size:20px;color:var(--copper-500);
  line-height:1.4;letter-spacing:.02em;
}
.checks li h4{font-size:17px;margin-bottom:6px;color:#f7f5f0}
.checks li p{font-size:14px;line-height:1.8;color:rgba(234,231,224,.68)}

/* ============ 资料与隐私四栏 ============ */
.privacy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.privacy-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.privacy-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d6d3ca}
.privacy-card__icon{
  width:38px;height:38px;border-radius:10px;background:var(--jade-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.privacy-card__icon svg{width:20px;height:20px;stroke:var(--jade-600);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.privacy-card h3{font-size:17px;margin-bottom:10px}
.privacy-card p{font-size:14px;line-height:1.85;color:var(--muted)}

/* ============ CTA 区 ============ */
.cta-box{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:44px 48px;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;
}
.cta-box h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:12px}
.cta-box p{color:var(--muted);font-size:16px;max-width:540px}
.cta-box__actions{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.cta-hint{font-size:13px;color:var(--muted)}

/* ============ 延伸阅读 ============ */
.reads{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.read-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d6d3ca}
.read-card__media{overflow:hidden}
.read-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.read-card:hover .read-card__media img{transform:scale(1.03)}
.read-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.read-card__body h3{font-size:17px;line-height:1.5}
.read-card__body p{font-size:14px;color:var(--muted);line-height:1.8;flex:1}

/* ============ 弹层与表单 ============ */
.modal{
  position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  padding:24px;visibility:hidden;opacity:0;transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.modal.is-open{visibility:visible;opacity:1}
.modal__backdrop{position:absolute;inset:0;background:rgba(18,41,39,.46)}
.modal__panel{
  position:relative;width:min(520px,100%);background:var(--card);
  border-radius:16px;padding:34px 32px 30px;max-height:88vh;overflow-y:auto;
  transform:translateY(14px);transition:transform .26s var(--ease);
  box-shadow:0 24px 60px rgba(18,41,39,.18);
}
.modal.is-open .modal__panel{transform:translateY(0)}
.modal__close{
  position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--muted);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.modal__close:hover{background:var(--jade-100);color:var(--ink-900)}
.modal__panel h3{font-size:22px;margin-bottom:10px}
.modal__panel .modal__lead{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:22px}
.field{margin-bottom:16px;display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:var(--ink-900);letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:#fdfcfa;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:#a6aca8}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--jade-600);background:#fff;
  box-shadow:0 0 0 3px rgba(76,122,115,.14);
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--danger);background:#fdf7f6}
.err{font-size:12.5px;color:var(--danger);display:none}
.field.is-error .err{display:block}
.checkline{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;font-size:13px;color:var(--muted);line-height:1.7}
.checkline input{width:16px;height:16px;margin-top:3px;accent-color:var(--jade-600);flex:0 0 auto}
.checkline.is-error{color:var(--danger)}
.checkline.is-error input{outline:1px solid var(--danger)}
.modal__success{text-align:center;padding:22px 6px 8px}
.modal__success h4{font-size:20px;margin-bottom:12px}
.modal__success p{font-size:14px;color:var(--muted);line-height:1.9;margin-bottom:22px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(234,231,224,.7);padding:72px 0 28px;border-top:1px solid var(--ink-800)}
.site-footer h4{
  font-family:var(--sans);font-size:14px;color:#f7f5f0;letter-spacing:.06em;
  margin-bottom:18px;font-weight:600;
}
.footer-brand__name{font-family:var(--serif);font-size:19px;color:#f7f5f0;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(234,231,224,.66);max-width:320px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:14px;line-height:1.7}
.footer-col a{color:rgba(234,231,224,.7);border-bottom:1px solid transparent;padding-bottom:1px}
.footer-col a:hover{color:var(--copper-500);border-bottom-color:var(--copper-500)}
.footer-col span{color:rgba(234,231,224,.6)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(247,245,240,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(234,231,224,.55);
}
.site-footer .grid-padding-x{margin-left:-16px;margin-right:-16px}

/* ============ 进入视口动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn--ghost{display:none}
  .nav-toggle{display:flex}
  .section{padding:80px 0}
  .page-head__grid{grid-template-columns:1fr;gap:36px}
  .page-head__media{order:-1}
  .band-dark__grid{grid-template-columns:1fr;gap:40px}
  .privacy-grid{grid-template-columns:repeat(2,1fr)}
  .reads{grid-template-columns:repeat(2,1fr)}
  .cta-box{grid-template-columns:1fr;padding:36px 32px;gap:28px}
  .row-item{gap:36px}
}
@media (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:64px 0}
  .section-head{margin-bottom:34px}
  .page-head{padding-bottom:48px}
  .page-head h1{font-size:clamp(30px,8vw,36px)}
  .page-head__divider{margin-top:40px}
  .row-item{grid-template-columns:1fr;gap:22px;padding:34px 0}
  .row-item:nth-child(even) .row-item__media{order:0}
  .row-item__media img{aspect-ratio:16/9}
  .checks li{grid-template-columns:42px 1fr;gap:14px}
  .privacy-grid{grid-template-columns:1fr}
  .reads{grid-template-columns:1fr}
  .cta-box{padding:30px 22px}
  .cta-box__actions{width:100%}
  .cta-box__actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
  .brand__text{font-size:16px}
  .modal{align-items:flex-end;padding:0}
  .modal__panel{width:100%;border-radius:20px 20px 0 0;max-height:92vh;padding:28px 22px 26px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}