/* roulang page: index */
:root{
  --ink-900:#0D211E;
  --brand-700:#146356;
  --brand-600:#1B7A6A;
  --brand-100:#DCEBE6;
  --accent-500:#F08A24;
  --accent-050:#FDF1E1;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E0D6;
  --text-1:#1A1F1E;
  --text-2:#5A6462;
  --text-3:#8A9491;
  --ok:#2F9E6B;
  --warn:#C9761B;
  --err:#C0453B;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --shadow-1:0 1px 2px rgba(13,33,30,.06);
  --shadow-2:0 10px 28px -14px rgba(13,33,30,.22);
  --r-card:14px;
  --r-big:20px;
  --r-btn:10px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;cursor:pointer;}
input,button,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px;}}

/* ---------- 通用排版 ---------- */
.h1{font-family:var(--font-serif);font-size:clamp(30px,4.4vw,50px);line-height:1.22;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);}
.h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--ink-900);}
.h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--text-1);}
.lead{font-size:15px;line-height:1.75;color:var(--text-2);}
.meta{font-size:13px;line-height:1.5;letter-spacing:.02em;color:var(--text-3);}

/* ---------- 按钮 ---------- */
.btn-primary,.btn-outline,.btn-ghost,.btn-accent,.btn-light-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;text-decoration:none;
  transition:background-color .16s cubic-bezier(.2,.7,.3,1),color .16s,border-color .16s,transform .16s,box-shadow .16s;
  min-height:44px;padding:0 20px;font-size:15px;line-height:1;white-space:nowrap;
}
.btn-primary{background:var(--brand-700);border:1px solid var(--brand-700);color:#fff;}
.btn-primary:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:var(--surface);border:1px solid var(--line);color:var(--brand-700);}
.btn-outline:hover{background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-700);text-decoration:none;transform:translateY(-1px);}
.btn-ghost{background:transparent;border:1px solid transparent;color:var(--text-1);}
.btn-ghost:hover{background:var(--paper);color:var(--brand-700);text-decoration:none;}
.btn-accent{background:var(--accent-500);border:1px solid var(--accent-500);color:var(--ink-900);}
.btn-accent:hover{background:#DE7C15;border-color:#DE7C15;color:var(--ink-900);text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 24px -14px rgba(240,138,36,.9);}
.btn-light-outline{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff;}
.btn-light-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-lg{height:52px;padding:0 26px;font-size:16px;}
.btn-sm{height:40px;min-height:40px;padding:0 16px;font-size:14.5px;}
.btn-block{width:100%;}

/* ---------- 标签与徽章 ---------- */
.badge-soft{display:inline-flex;align-items:center;gap:8px;background:var(--accent-050);color:var(--ink-900);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;border:1px solid rgba(240,138,36,.28);}
.badge-cat{display:inline-flex;align-items:center;background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;letter-spacing:.02em;}
.badge-ink{display:inline-flex;align-items:center;background:var(--ink-900);color:#E7F0EC;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;}
.header-top{background:rgba(255,255,255,.94);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease;}
.site-header.is-stuck .header-top{box-shadow:var(--shadow-1);border-bottom-color:var(--line);}
.header-top-inner{display:flex;align-items:center;gap:16px;height:64px;}
@media (min-width:768px){.header-top-inner{height:72px;gap:20px;}}

.brand{display:inline-flex;align-items:center;flex:none;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{display:inline-flex;align-items:center;border:2px solid var(--brand-700);border-radius:12px;padding:5px 12px;line-height:1.15;font-size:16px;letter-spacing:.02em;white-space:nowrap;background:var(--surface);}
.brand-mark .b1{font-weight:800;color:var(--ink-900);}
.brand-mark .b2{font-weight:600;color:var(--brand-700);margin-left:3px;}
@media (max-width:420px){
  .brand-mark{font-size:13.5px;padding:5px 9px;border-width:1.5px;border-radius:10px;}
  .brand-mark .b2{margin-left:2px;}
}

.header-search{display:none;flex:1;max-width:380px;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:0 14px;height:42px;transition:border-color .16s,background-color .16s;}
.header-search:focus-within{border-color:var(--brand-600);background:var(--surface);}
.header-search i{color:var(--text-3);font-size:13px;flex:none;}
.header-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--text-1);height:100%;}
.header-search input::placeholder{color:var(--text-3);}
@media (min-width:1024px){.header-search{display:flex;}}

.header-actions{display:none;align-items:center;gap:10px;margin-left:auto;}
@media (min-width:768px){.header-actions{display:flex;}}

.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:10px;color:var(--ink-900);margin-left:auto;transition:border-color .16s,background-color .16s;}
.nav-toggle:hover{border-color:var(--brand-600);color:var(--brand-700);}
@media (min-width:768px){.nav-toggle{display:none;}}

.header-channels{background:var(--surface);border-bottom:1px solid var(--line);}
.channels-wrap{position:relative;}
.channels-wrap::after{content:"";position:absolute;right:0;top:0;bottom:0;width:26px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.96));pointer-events:none;}
@media (min-width:768px){.channels-wrap::after{display:none;}}
.channels-inner{display:flex;align-items:stretch;gap:2px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;}
.channels-inner::-webkit-scrollbar{display:none;}
.channel{position:relative;flex:none;display:inline-flex;align-items:center;height:48px;padding:0 14px;font-size:13.5px;color:var(--text-2);scroll-snap-align:start;text-decoration:none;transition:background-color .16s,color .16s;}
.channel:hover{background:var(--paper);color:var(--text-1);text-decoration:none;}
.channel.active{color:var(--text-1);font-weight:600;}
.channel.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--accent-500);border-radius:3px 3px 0 0;}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:100;background:rgba(13,33,30,.5);display:none;}
.mobile-drawer.open{display:block;}
.mobile-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--surface);padding:20px;overflow-y:auto;box-shadow:-12px 0 34px rgba(13,33,30,.28);animation:slideIn .22s cubic-bezier(.2,.7,.3,1);}
@keyframes slideIn{from{transform:translateX(24px);opacity:.6;}to{transform:translateX(0);opacity:1;}}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.mobile-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text-1);}
.mobile-group-title{font-size:12.5px;letter-spacing:.08em;color:var(--text-3);margin:18px 0 8px;}
.mobile-link{display:flex;align-items:center;justify-content:space-between;padding:12px 2px;font-size:15.5px;color:var(--text-1);border-bottom:1px solid var(--line);text-decoration:none;}
.mobile-link:hover{color:var(--brand-700);text-decoration:none;}
.mobile-link.is-active{color:var(--brand-700);font-weight:600;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--surface);border-bottom:1px solid var(--line);overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(13,33,30,.045) 0 1px,transparent 1px 16px);pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:56px;}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:7fr 5fr;gap:44px;align-items:center;padding-top:72px;padding-bottom:84px;}
}
.hero-copy{max-width:640px;}
.hero-copy .h1{margin-top:18px;}
.hero-sub{font-size:18px;line-height:1.7;color:var(--text-2);margin-top:18px;max-width:560px;}
.hero-cta{display:flex;flex-direction:column;gap:12px;margin-top:28px;}
@media (min-width:560px){.hero-cta{flex-direction:row;flex-wrap:wrap;}}
.trust-list{margin-top:26px;display:flex;flex-direction:column;gap:10px;}
.trust-list li{position:relative;padding-left:16px;font-size:14px;line-height:1.6;color:var(--text-2);}
.trust-list li::before{content:"";position:absolute;left:0;top:5px;width:4px;height:15px;background:var(--accent-500);border-radius:2px;}
.hero-media{position:relative;border-radius:var(--r-big);overflow:hidden;box-shadow:var(--shadow-2);background:var(--brand-100);}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,33,30,.65) 0%,rgba(13,33,30,.28) 48%,rgba(13,33,30,0) 100%);}
.hero-chip{position:absolute;left:16px;bottom:16px;z-index:2;background:var(--accent-050);color:var(--ink-900);font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;box-shadow:var(--shadow-1);}

/* ---------- 区块 ---------- */
.section{padding-top:56px;padding-bottom:56px;}
@media (min-width:768px){.section{padding-top:72px;padding-bottom:72px;}}
@media (min-width:1280px){.section{padding-top:96px;padding-bottom:96px;}}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:32px;}
.section-head .h2{max-width:760px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-600);white-space:nowrap;text-decoration:none;}
.text-link:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:3px;}
.section-intro{font-size:15px;line-height:1.75;color:var(--text-2);max-width:640px;margin-top:10px;}

/* ---------- 卡片 ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .16s cubic-bezier(.2,.7,.3,1),box-shadow .16s,border-color .16s;}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.card img{transition:transform .16s cubic-bezier(.2,.7,.3,1);}
.card:hover img{transform:scale(1.03);}

/* ---------- 三步上手 ---------- */
.steps-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.steps-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:767.98px){
  .steps-grid{gap:0;}
  .step-card{border-radius:0;border-left:0;border-right:0;}
  .step-card:first-child{border-radius:var(--r-card) var(--r-card) 0 0;border-top:1px solid var(--line);}
  .step-card:last-child{border-radius:0 0 var(--r-card) var(--r-card);}
  .step-card + .step-card{border-top:1px dashed var(--line);}
}
.step-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:transform .16s cubic-bezier(.2,.7,.3,1),box-shadow .16s,border-color .16s;}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(27,122,106,.35);}
.step-num{font-family:var(--font-serif);font-size:34px;line-height:1;font-weight:700;color:var(--accent-500);transition:transform .16s cubic-bezier(.2,.7,.3,1);}
.step-card:hover .step-num{transform:translateY(2px);}
.step-card .h3{margin-top:16px;}
.step-card p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--text-2);}
.step-card .text-link{margin-top:18px;}

/* ---------- 案例证明 ---------- */
.cases-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:1024px){.cases-grid{grid-template-columns:7fr 5fr;gap:24px;align-items:start;}}
.case-main{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-big);overflow:hidden;text-decoration:none;transition:transform .16s cubic-bezier(.2,.7,.3,1),box-shadow .16s,border-color .16s;}
.case-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);text-decoration:none;}
.case-main-media{position:relative;overflow:hidden;background:var(--brand-100);}
.case-main-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .16s cubic-bezier(.2,.7,.3,1);}
.case-main:hover .case-main-media img{transform:scale(1.03);}
.case-main-body{padding:20px 22px 24px;}
.case-main-body .h3{margin-top:12px;font-size:20px;line-height:1.4;color:var(--text-1);}
.case-main-body p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.case-side{display:flex;flex-direction:column;gap:16px;}
.case-item{display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:16px;text-decoration:none;transition:transform .16s cubic-bezier(.2,.7,.3,1),box-shadow .16s,border-color .16s;}
.case-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);text-decoration:none;}
.case-item-thumb{width:96px;height:96px;border-radius:12px;overflow:hidden;background:var(--brand-100);flex:none;}
.case-item-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .16s cubic-bezier(.2,.7,.3,1);}
.case-item:hover .case-item-thumb img{transform:scale(1.04);}
.case-item-title{font-size:16px;font-weight:600;line-height:1.45;color:var(--text-1);}
.case-item:hover .case-item-title{color:var(--brand-700);}
.case-item-sum{margin-top:6px;font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}

.data-strip{display:none;}
@media (min-width:1280px){
  .data-strip{display:grid;grid-template-columns:repeat(4,1fr);margin-top:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
  .data-cell{padding:18px 20px;border-left:1px solid var(--line);}
  .data-cell:first-child{border-left:0;}
  .data-k{font-family:var(--font-serif);font-size:15px;font-weight:700;line-height:1.35;color:var(--brand-700);}
  .data-v{margin-top:6px;font-size:13px;line-height:1.6;color:var(--text-3);}
}

/* ---------- 最新信息 ---------- */
.news-wrap{display:flex;flex-direction:column;gap:24px;}
.news-feature{display:grid;grid-template-columns:1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;text-decoration:none;transition:transform .16s cubic-bezier(.2,.7,.3,1),box-shadow .16s,border-color .16s;}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);text-decoration:none;}
@media (min-width:860px){.news-feature{grid-template-columns:5fr 4fr;}}
.news-feature-body{padding:24px;display:flex;flex-direction:column;justify-content:center;gap:12px;}
.news-feature-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--text-1);}
.news-feature:hover .news-feature-body h3{color:var(--brand-700);}
.news-feature-body p{font-size:15px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-feature-media{position:relative;min-height:220px;background:var(--brand-100);overflow:hidden;}
.news-feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .16s cubic-bezier(.2,.7,.3,1);}
.news-feature:hover .news-feature-media img{transform:scale(1.03);}

.news-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:6px 16px;}
.news-row{display:grid;grid-template-columns:1fr;gap:6px;padding:16px 12px;margin:0 -12px;border-radius:10px;text-decoration:none;transition:background-color .16s;}
.news-row + .news-row{border-top:1px solid var(--line);}
.news-row:hover{background:var(--paper);text-decoration:none;}
@media (min-width:768px){
  .news-row{grid-template-columns:110px 1fr 34px;gap:20px;align-items:start;}
}
.news-time{font-size:13px;line-height:1.5;letter-spacing:.02em;color:var(--text-3);font-variant-numeric:tabular-nums;}
.news-main{min-width:0;}
.news-title{display:block;font-size:16.5px;font-weight:600;line-height:1.5;color:var(--text-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .16s;}
.news-row:hover .news-title{color:var(--brand-700);}
.news-sum{display:block;margin-top:4px;font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-arrow{display:none;color:var(--text-3);font-size:13px;transition:color .16s,transform .16s;}
@media (min-width:768px){.news-arrow{display:block;text-align:right;padding-top:4px;}}
.news-row:hover .news-arrow{color:var(--accent-500);transform:translateX(3px);}

.news-empty{min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:28px;background:var(--paper);border:1px dashed var(--line);border-radius:var(--r-card);}
.news-empty i{font-size:26px;color:var(--brand-600);}
.news-empty p{font-size:15px;line-height:1.75;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){.faq-grid{grid-template-columns:4fr 8fr;gap:48px;align-items:start;}}
.faq-aside .text-link{margin-top:14px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;background:none;border:0;text-align:left;font-size:16.5px;font-weight:600;line-height:1.5;color:var(--text-1);transition:color .16s;}
.faq-q:hover{color:var(--brand-700);}
.faq-sign{flex:none;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;color:var(--accent-500);font-size:18px;line-height:1;transition:transform .18s cubic-bezier(.2,.7,.3,1);}
.faq-item.open .faq-sign{transform:rotate(45deg);}
.faq-a{display:none;padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:680px;}
.faq-item.open .faq-a{display:block;}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--ink-900);overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 1px,transparent 1px 18px);pointer-events:none;}
.cta-inner{position:relative;display:flex;flex-direction:column;gap:24px;padding-top:44px;padding-bottom:44px;}
@media (min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;padding-top:56px;padding-bottom:56px;}}
.cta-band .h2{color:#fff;max-width:620px;}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.75;color:#C7D6D1;max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;flex:none;}
@media (min-width:560px){.cta-actions{flex-direction:row;flex-wrap:wrap;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding-top:56px;padding-bottom:24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-title{font-size:14px;font-weight:700;color:var(--ink-900);letter-spacing:.02em;margin-bottom:14px;}
.footer-link{display:block;font-size:14px;line-height:1.6;color:var(--text-2);padding:5px 0;text-decoration:none;}
.footer-link:hover{color:var(--accent-500);text-decoration:none;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.75;color:var(--text-2);max-width:320px;}
.footer-contact{font-size:14px;line-height:1.8;color:var(--text-2);}
.footer-bottom{margin-top:40px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;font-size:13px;line-height:1.6;color:var(--text-3);}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.footer-bottom a{color:var(--text-3);text-decoration:none;}
.footer-bottom a:hover{color:var(--accent-500);}

/* roulang page: article */
:root{
  --ink-900:#0D211E;
  --brand-700:#146356;
  --brand-600:#1B7A6A;
  --brand-100:#DCEBE6;
  --accent-500:#F08A24;
  --accent-050:#FDF1E1;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E0D6;
  --text-1:#1A1F1E;
  --text-2:#5A6462;
  --text-3:#8A9491;
  --ok:#2F9E6B;
  --warn:#C9761B;
  --err:#C0453B;
  --radius-card:14px;
  --radius-hero:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(13,33,30,.06);
  --shadow-2:0 10px 28px -14px rgba(13,33,30,.22);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:3px;}
p{margin:0 0 1.15em;}
h1,h2,h3,h4{color:var(--text-1);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px;}}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);}
.header-brand{background:rgba(255,255,255,.98);transition:box-shadow .2s ease;}
.site-header.scrolled .header-brand{box-shadow:var(--shadow-1);}
.brand-wrap{display:flex;align-items:center;gap:14px;min-height:64px;}
@media (min-width:768px){.brand-wrap{min-height:72px;gap:24px;}}
.brand-mark{display:inline-flex;align-items:center;gap:7px;font-size:17px;letter-spacing:-.01em;color:var(--text-1);text-decoration:none;flex:0 0 auto;}
.brand-mark:hover{text-decoration:none;color:var(--text-1);}
.brand-mark .b1{font-weight:800;}
.brand-mark .b2{font-weight:600;color:var(--brand-700);border:1.5px solid var(--brand-700);border-radius:8px;padding:2px 8px;}
@media (min-width:768px){.brand-mark{font-size:18px;}}
.brand-search{display:none;flex:1;max-width:420px;position:relative;}
@media (min-width:768px){.brand-search{display:block;}}
.brand-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--text-3);pointer-events:none;}
.brand-search input{width:100%;height:40px;padding:0 16px 0 36px;border:1px solid var(--line);border-radius:999px;background:var(--paper);font-size:14px;outline:none;transition:border-color .16s ease,background-color .16s ease;}
.brand-search input::placeholder{color:var(--text-3);}
.brand-search input:focus{border-color:var(--brand-700);background:var(--surface);}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.brand-actions .btn-login{display:none;}
@media (min-width:768px){.brand-actions .btn-login{display:inline-flex;}}
.brand-actions .btn-open{display:none;}
@media (min-width:768px){.brand-actions .btn-open{display:inline-flex;}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;text-decoration:none;transition:transform .16s var(--ease),background-color .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand-700);color:#fff;}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:var(--ink-900);}
.btn-accent:hover{background:#E07C16;color:var(--ink-900);transform:translateY(-1px);}
.btn-outline{border-color:var(--line);color:var(--text-1);background:var(--surface);}
.btn-outline:hover{border-color:var(--brand-700);color:var(--brand-700);background:var(--surface);}
.btn-ghost{color:var(--text-2);border-color:transparent;background:transparent;padding:0 10px;}
.btn-ghost:hover{color:var(--brand-700);background:var(--paper);}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);color:var(--text-1);}
.nav-toggle:hover{border-color:var(--brand-700);color:var(--brand-700);}
@media (min-width:768px){.nav-toggle{display:none;}}

.header-channels{border-top:1px solid var(--line);background:var(--surface);}
.channels-wrap{position:relative;}
.channels-inner{display:flex;align-items:center;gap:2px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;}
.channels-inner::-webkit-scrollbar{display:none;}
@media (min-width:768px){.channels-inner{overflow:visible;flex-wrap:wrap;}}
.channel{position:relative;display:inline-block;padding:12px 14px;font-size:13.5px;color:var(--text-2);white-space:nowrap;scroll-snap-align:start;text-decoration:none;transition:background-color .16s ease,color .16s ease;}
.channel:hover{background:var(--paper);color:var(--text-1);text-decoration:none;}
.channel.active{color:var(--text-1);font-weight:600;}
.channel.active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px;background:var(--accent-500);}
@media (max-width:767px){
  .channels-wrap::after{content:"";position:absolute;top:0;right:0;width:24px;height:100%;background:linear-gradient(to right,rgba(255,255,255,0),#fff);pointer-events:none;}
}

/* ============ 移动端抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:90;display:none;}
.drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(13,33,30,.55);}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--surface);padding:22px 20px 32px;overflow-y:auto;box-shadow:var(--shadow-2);animation:drawerIn .22s var(--ease);}
@keyframes drawerIn{from{transform:translateX(16px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);}
.drawer-title{font-size:13px;letter-spacing:.06em;color:var(--text-3);margin:22px 0 8px;}
.drawer-link{display:block;padding:12px 10px;font-size:15px;color:var(--text-1);border-radius:10px;text-decoration:none;}
.drawer-link:hover{background:var(--paper);color:var(--brand-700);text-decoration:none;}
.drawer-link.active{color:var(--brand-700);font-weight:600;background:var(--brand-100);}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:24px;}
.drawer-actions .btn{width:100%;}

/* ============ 文章头部 ============ */
.page-main{padding-bottom:8px;}
.article-head{padding-top:28px;}
@media (min-width:768px){.article-head{padding-top:44px;}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:1.5;letter-spacing:.02em;color:var(--text-3);margin-bottom:16px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent-500);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--text-1);overflow-wrap:anywhere;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;line-height:1.6;}
.article-title{font-family:var(--font-serif);font-size:clamp(28px,3.6vw,38px);line-height:1.3;font-weight:800;letter-spacing:-.01em;margin:14px 0 16px;overflow-wrap:anywhere;}
.meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;line-height:1.5;letter-spacing:.02em;color:var(--text-3);padding-bottom:20px;border-bottom:1px solid var(--line);}
.meta-bar .dot{color:var(--line);}
.meta-bar time{font-variant-numeric:tabular-nums;}

/* ============ 正文布局 ============ */
.article-layout{padding-top:36px;}
@media (min-width:768px){.article-layout{padding-top:52px;}}
@media (min-width:1280px){
  .article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:56px;justify-content:center;align-items:start;}
}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--text-1);overflow-wrap:break-word;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-family:var(--font-serif);font-size:24px;line-height:1.35;font-weight:700;margin:2.2em 0 .9em;}
.article-body h3{font-size:19px;line-height:1.45;font-weight:600;margin:1.8em 0 .7em;}
.article-body h4{font-size:17px;font-weight:600;margin:1.5em 0 .6em;}
.article-body ul,.article-body ol{padding-left:1.4em;line-height:1.8;margin:0 0 1.2em;}
.article-body li{margin-bottom:.4em;}
.article-body ul li::marker{color:var(--brand-600);}
.article-body blockquote{margin:1.4em 0;padding:16px 20px;background:var(--paper);border-left:4px solid var(--accent-500);border-radius:0 10px 10px 0;color:var(--text-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.5em auto;}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 16px;text-align:left;}
.article-body th{background:var(--brand-100);font-weight:600;}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent-500);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.article-body code{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:15px;}

.empty-state{min-height:180px;border:1px dashed var(--line);background:var(--paper);border-radius:var(--radius-card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:36px 20px;}
.empty-state i{font-size:26px;color:var(--brand-600);}
.empty-state p{margin:0;font-size:15px;color:var(--text-2);}

/* ============ 侧栏 ============ */
.article-side{display:none;}
@media (min-width:1280px){.article-side{display:block;}}
.side-card{position:sticky;top:132px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1);}
.side-card + .side-card{margin-top:20px;position:static;}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.side-title i{color:var(--accent-500);font-size:13px;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{margin-bottom:12px;}
.side-list li:last-child{margin-bottom:0;}
.side-list a{display:block;font-size:14px;line-height:1.65;color:var(--text-2);}
.side-list a:hover{color:var(--brand-700);text-decoration:none;}
.side-number{display:inline-block;width:20px;font-family:var(--font-serif);font-size:14px;color:var(--accent-500);font-weight:700;}

/* ============ 标签 ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);}
.tag-row .tag-label{font-size:13px;color:var(--text-3);letter-spacing:.04em;margin-right:4px;}
.tag-pill{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);font-size:13.5px;font-weight:500;text-decoration:none;transition:background-color .16s ease,color .16s ease;}
.tag-pill:hover{background:var(--brand-700);color:#fff;text-decoration:none;}

/* ============ 相关推荐 ============ */
.related{margin-top:56px;}
@media (min-width:768px){.related{margin-top:72px;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.section-title{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;margin:0;}
.section-sub{font-size:14px;color:var(--text-2);margin:8px 0 0;max-width:640px;}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:24px;}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);color:var(--text-1);text-decoration:none;transition:transform .16s var(--ease),box-shadow .16s ease,border-color .16s ease;}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);text-decoration:none;color:var(--text-1);}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-100);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .16s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-thumb .badge{position:absolute;left:12px;top:12px;background:var(--accent-050);color:var(--ink-900);}
.post-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px;}
.post-body h3{font-size:18px;line-height:1.4;font-weight:600;margin:0;}
.post-body p{margin:0;font-size:15px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);}
.post-more i{font-size:12px;transition:transform .16s var(--ease);}
.post-card:hover .post-more i{transform:translateX(3px);}

.back-row{margin-top:36px;}
.back-row .btn{min-width:200px;}

/* ============ CTA ============ */
.cta-wrap{padding:56px 0 0;}
@media (min-width:768px){.cta-wrap{padding-top:72px;}}
@media (min-width:1280px){.cta-wrap{padding-top:96px;}}
.cta-band{position:relative;overflow:hidden;background:var(--ink-900);border-radius:var(--radius-hero);padding:40px 20px;}
@media (min-width:1024px){.cta-band{padding:56px;}}
.cta-band::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);pointer-events:none;}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:26px;}
@media (min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}}
.cta-band h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,30px);line-height:1.32;color:#fff;margin:0 0 10px;}
.cta-band p{color:#C7D6D1;font-size:15px;line-height:1.8;margin:0;max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;flex:0 0 auto;}
@media (min-width:520px){.cta-actions{flex-direction:row;}}
.cta-actions .btn{width:100%;}
@media (min-width:520px){.cta-actions .btn{width:auto;}}

/* ============ 页脚 ============ */
.site-footer{margin-top:56px;background:var(--paper);border-top:1px solid var(--line);padding:56px 0 24px;}
@media (min-width:768px){.site-footer{margin-top:72px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-title{font-size:15px;font-weight:700;margin:0 0 14px;}
.footer-link{display:block;font-size:14px;color:var(--text-2);margin-bottom:10px;text-decoration:none;transition:color .16s ease;}
.footer-link:hover{color:var(--accent-500);text-decoration:none;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-2);margin:14px 0 0;max-width:320px;}
.footer-contact{font-size:14px;line-height:1.9;color:var(--text-2);margin:0;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--text-3);}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--accent-500);}

/* roulang page: category1 */
:root{
    --ink-900:#0D211E;
    --brand-700:#146356;
    --brand-600:#1B7A6A;
    --brand-100:#DCEBE6;
    --accent-500:#F08A24;
    --accent-050:#FDF1E1;
    --paper:#F7F5F0;
    --surface:#FFFFFF;
    --line:#E4E0D6;
    --text-1:#1A1F1E;
    --text-2:#5A6462;
    --text-3:#8A9491;
    --ok:#2F9E6B;
    --warn:#C9761B;
    --err:#C0453B;
    --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    --radius-card:14px;
    --radius-hero:20px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(13,33,30,.06);
    --shadow-2:0 10px 28px -14px rgba(13,33,30,.22);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16.5px;
    line-height:1.85;
    color:var(--text-1);
    background:var(--paper);
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:var(--brand-600);text-decoration:none;transition:color .16s var(--ease);}
  a:hover{color:var(--accent-500);}
  button{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 32px;}}
  @media (min-width:1280px){.container{padding:0 40px;}}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
    cursor:pointer;transition:background .16s var(--ease),color .16s var(--ease),transform .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease);
  }
  .btn i{font-size:14px;}
  .btn-primary{background:var(--brand-700);color:#fff;}
  .btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-accent{background:var(--accent-500);color:var(--ink-900);}
  .btn-accent:hover{background:#FF9A3C;color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-accent:active{transform:translateY(0);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1);}
  .btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);background:#fff;}
  .btn-outline-light{background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff;}
  .btn-outline-light:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.1);}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
  .btn-block{width:100%;}
  .btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}

  /* ============ 徽章 / 标签 ============ */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--brand-100);color:var(--brand-700);
    border-radius:999px;padding:5px 13px;font-size:13px;font-weight:600;letter-spacing:.02em;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-700);text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent-500);display:inline-block;}

  /* ============ 顶部导航 ============ */
  .site-header{position:sticky;top:0;z-index:60;}
  .brand-bar{
    background:rgba(255,255,255,.94);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s var(--ease);
  }
  .site-header.scrolled .brand-bar{box-shadow:var(--shadow-1);}
  .brand-wrap{display:flex;align-items:center;gap:14px;height:64px;}
  @media (min-width:768px){.brand-wrap{height:72px;gap:24px;}}
  .brand-mark{
    display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;
    font-family:var(--font-serif);text-decoration:none;
  }
  .brand-mark .b1{font-size:20px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
  .brand-mark .b2{
    font-size:14px;font-weight:600;color:var(--brand-700);
    border:1.5px solid var(--brand-700);border-radius:8px;padding:1px 8px;line-height:1.5;
    transition:background .16s var(--ease),color .16s var(--ease);
  }
  .brand-mark:hover .b2{background:var(--brand-700);color:#fff;}
  @media (min-width:768px){.brand-mark .b1{font-size:22px;}.brand-mark .b2{font-size:15px;}}

  .search-box{
    display:none;flex:1 1 auto;max-width:360px;margin:0 auto;
    align-items:center;gap:9px;height:40px;padding:0 14px;
    background:var(--paper);border:1px solid var(--line);border-radius:999px;
    transition:border-color .16s var(--ease),background .16s var(--ease);
  }
  .search-box:focus-within{border-color:var(--brand-600);background:#fff;}
  .search-box i{color:var(--text-3);font-size:13px;}
  .search-box input{
    border:0;background:transparent;outline:none;width:100%;
    font-size:14px;color:var(--text-1);font-family:var(--font-sans);
  }
  .search-box input::placeholder{color:var(--text-3);}
  @media (min-width:900px){.search-box{display:flex;}}

  .brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
  @media (max-width:767px){.brand-actions .btn-ghost{display:none;}}

  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:var(--radius-btn);
    background:transparent;border:1px solid var(--line);color:var(--ink-900);cursor:pointer;
    transition:border-color .16s var(--ease),background .16s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--brand-600);color:var(--brand-700);}
  @media (min-width:768px){.nav-toggle{display:none;}}

  .header-channels{background:#fff;border-bottom:1px solid var(--line);}
  .channels-wrap{position:relative;}
  .channels-inner{
    display:flex;align-items:center;gap:4px;
    overflow-x:auto;scroll-snap-type:x proximity;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .channels-inner::-webkit-scrollbar{display:none;}
  .channel{
    position:relative;flex:0 0 auto;scroll-snap-align:start;
    padding:12px 14px;font-size:14px;line-height:1.4;color:var(--text-2);
    white-space:nowrap;transition:background .16s var(--ease),color .16s var(--ease);
  }
  .channel:hover{background:var(--paper);color:var(--text-1);}
  .channel.active{color:var(--text-1);font-weight:600;}
  .channel.active::after{
    content:"";position:absolute;left:8px;right:8px;bottom:0;height:3px;
    background:var(--accent-500);border-radius:2px 2px 0 0;
  }
  @media (max-width:767px){
    .channels-wrap::after{
      content:"";position:absolute;right:0;top:0;bottom:0;width:24px;pointer-events:none;
      background:linear-gradient(90deg,rgba(255,255,255,0),#fff);
    }
  }

  .mobile-drawer{display:none;background:#fff;border-bottom:1px solid var(--line);padding:14px 20px 22px;}
  .mobile-drawer.show{display:block;}
  @media (min-width:768px){.mobile-drawer{display:none !important;}}
  .drawer-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--text-3);margin:6px 0 8px;}
  .drawer-link{
    display:block;padding:12px 4px;font-size:15px;color:var(--text-1);
    border-bottom:1px solid var(--line);
  }
  .drawer-link.active{color:var(--brand-700);font-weight:700;}
  .drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:18px;}

  /* ============ 通用板块 ============ */
  .section{padding:56px 0;}
  @media (min-width:768px){.section{padding:72px 0;}}
  @media (min-width:1280px){.section{padding:96px 0;}}
  .section-head{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
    gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:32px;
  }
  .section-title{
    font-family:var(--font-serif);
    font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;
    letter-spacing:-.01em;color:var(--text-1);margin-top:8px;
  }
  .section-sub{margin-top:8px;font-size:15px;line-height:1.75;color:var(--text-2);max-width:620px;}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--brand-600);
  }
  .text-link:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:3px;}
  .text-link i{font-size:12px;}

  /* ============ 页面 Hero ============ */
  .page-hero{
    position:relative;background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);
    padding:32px 0 0;overflow:hidden;
  }
  @media (min-width:768px){.page-hero{padding-top:44px;}}
  .page-hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
    background-image:linear-gradient(var(--ink-900) 1px,transparent 1px),linear-gradient(90deg,var(--ink-900) 1px,transparent 1px);
    background-size:44px 44px;
  }
  .page-hero .container{position:relative;}

  .breadcrumb{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    font-size:13px;line-height:1.5;letter-spacing:.02em;color:var(--text-3);margin-bottom:16px;
  }
  .breadcrumb a{color:var(--text-3);}
  .breadcrumb a:hover{color:var(--accent-500);}
  .breadcrumb .current{color:var(--text-1);font-weight:600;}

  .hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
  @media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;}}
  .hero-copy h1{
    font-family:var(--font-serif);
    font-size:clamp(28px,3.8vw,44px);line-height:1.22;font-weight:800;
    letter-spacing:-.01em;color:var(--text-1);margin:14px 0 0;
  }
  .hero-copy .lead{margin-top:16px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:620px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  @media (max-width:519px){.hero-actions{flex-direction:column;}.hero-actions .btn{width:100%;}}
  .hero-points{margin-top:26px;display:grid;gap:10px;}
  .hero-points li{position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--text-2);}
  .hero-points li::before{
    content:"";position:absolute;left:0;top:6px;width:4px;height:16px;border-radius:2px;background:var(--accent-500);
  }
  .hero-figure{
    position:relative;margin:0;border-radius:var(--radius-hero);overflow:hidden;
    aspect-ratio:16/10;background:var(--brand-100);box-shadow:var(--shadow-2);
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;}
  .hero-figure::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(13,33,30,.65) 0%,rgba(13,33,30,0) 78%);
  }
  .figure-badge{
    position:absolute;left:16px;bottom:16px;z-index:2;
    background:var(--accent-050);color:var(--ink-900);
    border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
  }

  .page-channels{
    margin-top:32px;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-card);padding:0 6px;overflow:hidden;
  }
  @media (min-width:1024px){.page-channels{margin-top:40px;}}

  /* ============ 要点横条 ============ */
  .highlight-bar{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
    gap:1px;background:var(--line);border:1px solid var(--line);
    border-radius:var(--radius-hero);overflow:hidden;
  }
  @media (min-width:1024px){.highlight-bar{grid-template-columns:repeat(4,minmax(0,1fr));}}
  .highlight-item{background:#fff;padding:20px 18px;}
  @media (min-width:768px){.highlight-item{padding:24px;}}
  .highlight-item i{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:10px;margin-bottom:12px;
    background:var(--brand-100);color:var(--brand-700);font-size:15px;
  }
  .highlight-item h3{font-size:15.5px;line-height:1.5;font-weight:600;color:var(--text-1);}
  .highlight-item p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--text-2);}

  /* ============ 卡片网格 + 侧栏 ============ */
  .layout-with-aside{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:1280px){.layout-with-aside{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;}}

  .card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
  @media (min-width:1280px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}

  .card{
    display:flex;flex-direction:column;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;
    transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
  .card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-100);}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .16s var(--ease);}
  .card:hover .card-media img{transform:scale(1.03);}
  .card-badge{
    position:absolute;top:12px;left:12px;z-index:2;
    background:rgba(255,255,255,.94);color:var(--brand-700);
    border-radius:999px;padding:4px 11px;font-size:12px;font-weight:700;letter-spacing:.02em;
  }
  .card-body{display:flex;flex-direction:column;flex:1;padding:18px 20px 20px;}
  .card-title{font-size:18px;line-height:1.4;font-weight:600;color:var(--text-1);}
  .card-desc{
    margin-top:8px;font-size:15px;line-height:1.75;color:var(--text-2);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-link{
    display:inline-flex;align-items:center;gap:7px;margin-top:16px;
    font-size:14px;font-weight:600;color:var(--brand-600);
  }
  .card:hover .card-link{color:var(--accent-500);}
  .card-link i{font-size:12px;transition:transform .16s var(--ease);}
  .card:hover .card-link i{transform:translateX(3px);}

  .aside-col{display:flex;flex-direction:column;gap:20px;}
  @media (min-width:1280px){
    .aside-col{position:sticky;top:132px;align-self:start;}
  }
  .aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;}
  .aside-title{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:12px;}
  .aside-list li+li{border-top:1px solid var(--line);}
  .aside-list a{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:12px 2px;font-size:15px;color:var(--text-1);
    transition:color .16s var(--ease),padding-left .16s var(--ease);
  }
  .aside-list a:hover{color:var(--brand-700);padding-left:6px;}
  .aside-list a i{font-size:12px;color:var(--text-3);}
  .aside-list a:hover i{color:var(--accent-500);}

  .aside-cta{
    background:var(--accent-050);border:1px solid #F2DFC6;border-radius:var(--radius-card);
    padding:22px 20px;
  }
  .aside-cta-title{font-size:17px;font-weight:700;color:var(--ink-900);}
  .aside-cta-desc{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2);}
  .aside-cta .btn{margin-top:16px;}

  /* ============ 步骤 ============ */
  .step-grid{display:grid;grid-template-columns:1fr;gap:16px;}
  @media (min-width:768px){.step-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}}
  .step-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px;
    transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
  }
  .step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
  .step-num{
    font-family:var(--font-serif);font-size:34px;line-height:1;font-weight:800;
    color:var(--accent-500);transition:transform .16s var(--ease);
  }
  .step-card:hover .step-num{transform:translateY(2px);}
  .step-card h3{margin-top:14px;font-size:17px;line-height:1.45;font-weight:600;color:var(--text-1);}
  .step-card p{margin-top:8px;font-size:15px;line-height:1.75;color:var(--text-2);}

  /* ============ FAQ ============ */
  .faq-layout{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:1024px){.faq-layout{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;}}
  .faq-intro h2{
    font-family:var(--font-serif);font-size:clamp(22px,2.6vw,30px);
    line-height:1.3;font-weight:700;color:var(--text-1);
  }
  .faq-intro p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-2);}
  .faq-intro .text-link{margin-top:14px;}
  .faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:0 20px;}
  .faq-item+.faq-item{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 0;background:none;border:0;text-align:left;cursor:pointer;
    font-size:16.5px;line-height:1.6;font-weight:600;color:var(--text-1);
    transition:color .16s var(--ease);
  }
  .faq-q:hover{color:var(--brand-700);}
  .faq-q .faq-icon{flex:0 0 auto;color:var(--accent-500);font-size:15px;transition:transform .2s var(--ease);}
  .faq-item.open .faq-q .faq-icon{transform:rotate(45deg);}
  .faq-a{display:none;padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:700px;}
  .faq-item.open .faq-a{display:block;}

  /* ============ CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--ink-900);border-radius:var(--radius-hero);
    padding:40px 20px;
  }
  @media (min-width:768px){.cta-band{padding:48px 40px;}}
  @media (min-width:1024px){.cta-band{padding:56px;}}
  .cta-band::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 11px);
  }
  .cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:24px;}
  @media (min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}}
  .cta-band h2{
    font-family:var(--font-serif);font-size:clamp(22px,2.6vw,32px);
    line-height:1.3;font-weight:700;color:#fff;
  }
  .cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:#C7D6D1;max-width:640px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
  @media (max-width:519px){.cta-actions{flex-direction:column;}.cta-actions .btn{width:100%;}}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--paper);border-top:1px solid var(--line);padding:48px 0 24px;margin-top:56px;}
  @media (min-width:768px){.site-footer{padding-top:64px;margin-top:72px;}}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:28px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:40px;}}
  .footer-title{font-size:14px;font-weight:700;color:var(--text-1);margin:0 0 12px;letter-spacing:.02em;}
  .footer-link{display:block;padding:5px 0;font-size:14px;color:var(--text-2);}
  .footer-link:hover{color:var(--accent-500);}
  .footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:var(--text-2);max-width:320px;}
  .footer-contact{font-size:14px;line-height:1.9;color:var(--text-2);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
    margin-top:36px;padding-top:18px;border-top:1px solid var(--line);
    font-size:13px;color:var(--text-3);
  }
  .footer-bottom a{color:var(--text-3);}
  .footer-bottom a:hover{color:var(--accent-500);}

/* roulang page: category2 */
:root{
  --ink-900:#0D211E;
  --brand-700:#146356;
  --brand-600:#1B7A6A;
  --brand-100:#DCEBE6;
  --accent-500:#F08A24;
  --accent-050:#FDF1E1;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E0D6;
  --text-1:#1A1F1E;
  --text-2:#5A6462;
  --text-3:#8A9491;
  --ok:#2F9E6B;
  --warn:#C9761B;
  --err:#C0453B;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --r-card:14px;
  --r-hero:20px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(13,33,30,.06);
  --shadow-2:0 10px 28px -14px rgba(13,33,30,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .16s ease,background-color .16s ease,border-color .16s ease}
a:hover{color:var(--accent-500)}
h1,h2,h3,p,ul,ol{margin:0}
ul{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink-900);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0;color:#fff}

/* 容器与版块 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 40px}}
.section{padding-top:56px}
@media(min-width:768px){.section{padding-top:72px}}
@media(min-width:1280px){.section{padding-top:96px}}
.section-head{
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:flex-end;justify-content:space-between;
  border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:30px;
}
.section-head h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.section-head .head-note{font-size:14px;color:var(--text-2)}
.link-inline{font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.link-inline i{font-size:12px;transition:transform .16s ease}
.link-inline:hover i{transform:translateX(3px)}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line)}
.header-brand{transition:box-shadow .2s ease,background-color .2s ease}
.site-header.is-scrolled .header-brand{box-shadow:var(--shadow-1);background:rgba(255,255,255,.94);backdrop-filter:blur(6px)}
.brand-wrap{display:flex;align-items:center;gap:18px;height:64px}
@media(min-width:768px){.brand-wrap{height:72px;gap:26px}}
.brand-mark{display:inline-flex;align-items:center;white-space:nowrap}
.brand-mark .b1{font-size:19px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em}
.brand-mark .b2{
  margin-left:7px;font-size:15.5px;font-weight:600;color:var(--brand-700);
  border:1px solid var(--brand-700);border-radius:8px;padding:2px 8px;line-height:1.35;
}
.brand-search{
  display:none;flex:1;max-width:340px;align-items:center;gap:9px;height:40px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);padding:0 15px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.brand-search:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(27,122,106,.12)}
.brand-search i{font-size:13px;color:var(--text-3)}
.brand-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--text-1);font-family:inherit}
.brand-search input::placeholder{color:var(--text-3)}
@media(min-width:900px){.brand-search{display:flex}}
.brand-actions{display:none;align-items:center;gap:10px;margin-left:auto}
@media(min-width:768px){.brand-actions{display:flex}}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:var(--r-btn);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(min-width:768px){.nav-toggle{display:none}}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;
  transition:background-color .16s ease,color .16s ease,transform .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent-500);color:var(--ink-900)}
.btn-accent:hover{background:#e07f1c;color:var(--ink-900);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--text-1);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-100)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.85)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed}

/* 频道行 */
.header-channels{background:var(--surface);border-top:1px solid var(--line)}
.channels-wrap{position:relative}
.channels-inner{
  display:flex;gap:4px;overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channels-inner::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;scroll-snap-align:start;padding:12px 14px;font-size:13.5px;font-weight:500;
  color:var(--text-2);border-bottom:3px solid transparent;border-top:3px solid transparent;
}
.channel:hover{background:var(--paper);color:var(--text-1)}
.channel.active{color:var(--text-1);font-weight:700;border-bottom-color:var(--accent-500)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;left:0;right:0;top:112px;bottom:0;background:var(--surface);z-index:59;
  padding:22px 20px 40px;overflow-y:auto;display:none;border-top:1px solid var(--line);
}
.mobile-drawer.is-open{display:block}
@media(min-width:768px){.mobile-drawer{display:none!important}}
.drawer-title{font-size:13px;letter-spacing:.06em;color:var(--text-3);margin:6px 0 10px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 2px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--text-1);
}
.drawer-link.is-active{color:var(--brand-700)}
.drawer-link i{font-size:12px;color:var(--text-3)}
.drawer-actions{display:grid;gap:10px;margin-top:22px}
.drawer-search{
  display:flex;align-items:center;gap:9px;height:44px;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:0 16px;margin-bottom:16px;
}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;font-family:inherit}

/* 面包屑 */
.crumb{font-size:13px;color:var(--text-3);letter-spacing:.02em;display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-top:22px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent-500)}
.crumb .sep{color:var(--line)}
.crumb .now{color:var(--text-1);font-weight:600}

/* 首屏 */
.page-hero{position:relative;overflow:hidden;padding-bottom:4px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(20,99,86,.05) 0 1px,transparent 1px 16px);
  pointer-events:none;
}
.hero-shell{position:relative;display:grid;grid-template-columns:1fr;gap:30px;padding:26px 0 8px}
@media(min-width:1024px){.hero-shell{grid-template-columns:7fr 5fr;gap:44px;align-items:center;padding:38px 0 12px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand-100);color:var(--brand-700);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.hero-title{
  font-family:var(--font-serif);font-size:clamp(30px,4.4vw,50px);line-height:1.22;
  font-weight:800;letter-spacing:-.01em;margin:18px 0 0;
}
.hero-title em{font-style:normal;color:var(--brand-700);border-bottom:4px solid var(--accent-500);padding-bottom:2px}
.hero-sub{margin-top:16px;font-size:17.5px;line-height:1.7;color:var(--text-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media(max-width:520px){.hero-cta .btn{width:100%}}
.trust-list{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px}
.trust-list li{position:relative;padding-left:15px;font-size:14px;color:var(--text-2)}
.trust-list li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:16px;border-radius:2px;background:var(--accent-500);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;margin-top:22px;padding-top:14px;
  border-top:1px solid var(--line);font-size:13px;color:var(--text-3);letter-spacing:.02em;
}
.hero-meta .live{display:inline-flex;align-items:center;gap:7px}
.hero-meta .live i{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block}
.hero-media{position:relative;border-radius:var(--r-hero);overflow:hidden;aspect-ratio:16/10;background:var(--brand-100);box-shadow:var(--shadow-2)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,33,30,.65),rgba(13,33,30,0) 72%)}
.hero-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;background:var(--accent-050);color:var(--ink-900);
  border-radius:var(--r-pill);padding:7px 15px;font-size:13px;font-weight:600;
}

/* 图文交替 */
.alt-row{display:grid;grid-template-columns:1fr;gap:22px;align-items:center;padding:28px 0;border-top:1px dashed var(--line)}
.alt-row:first-of-type{border-top:0;padding-top:0}
@media(min-width:900px){
  .alt-row{grid-template-columns:repeat(12,1fr);gap:var(--gap);padding:36px 0}
  .alt-media{grid-column:span 6}
  .alt-copy{grid-column:span 6}
  .alt-row.reverse .alt-media{order:2}
  .alt-row.reverse .alt-copy{order:1}
}
.alt-media{position:relative;border-radius:var(--r-hero);overflow:hidden;aspect-ratio:3/2;background:var(--brand-100)}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .16s cubic-bezier(.2,.7,.3,1)}
.alt-media:hover img{transform:scale(1.03)}
.tag-soft{
  display:inline-block;background:var(--accent-050);color:var(--ink-900);
  border-radius:var(--r-pill);padding:5px 13px;font-size:13px;font-weight:600;
}
.alt-copy h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;margin-top:14px}
.alt-copy p{margin-top:14px;font-size:17px;line-height:1.85;color:var(--text-2)}
.alt-copy .link-inline{margin-top:18px}
.alt-index{
  font-family:var(--font-serif);font-size:34px;line-height:1;color:var(--accent-500);font-weight:800;
  display:block;margin-bottom:4px;
}

/* 要点横条 */
.points-bar{
  display:grid;grid-template-columns:repeat(2,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
@media(min-width:900px){.points-bar{grid-template-columns:repeat(4,1fr)}}
.point{padding:22px 20px;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.point:nth-child(1),.point:nth-child(3){border-left:0}
.point:nth-child(1),.point:nth-child(2){border-top:0}
@media(min-width:900px){
  .point{border-top:0;border-left:1px solid var(--line)}
  .point:nth-child(1){border-left:0}
  .point:nth-child(3){border-left:1px solid var(--line)}
}
.point i{color:var(--brand-700);font-size:17px}
.point strong{display:block;margin-top:10px;font-size:16px;font-weight:700}
.point span{display:block;margin-top:6px;font-size:13.5px;line-height:1.7;color:var(--text-3)}

/* 状态面板 */
.status-panel{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;
  border-radius:var(--r-hero);padding:32px 24px;
}
@media(min-width:1024px){.status-panel{padding:46px 44px}}
.status-panel::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 1px,transparent 1px 15px);
}
.status-panel > *{position:relative}
.status-panel h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:#fff}
.status-panel .panel-note{margin-top:12px;font-size:15px;color:#C7D6D1;max-width:620px}
.status-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:30px}
@media(min-width:900px){.status-grid{grid-template-columns:repeat(3,1fr);gap:20px}}
.status-item{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:18px 20px;
}
.status-item .label{display:flex;align-items:center;gap:8px;font-size:13px;color:#9FB5AE;letter-spacing:.04em}
.status-item .label i{width:8px;height:8px;border-radius:50%;background:var(--accent-500);display:inline-block}
.status-item .value{margin-top:10px;font-size:17px;font-weight:700;color:#fff}
.status-item .desc{margin-top:6px;font-size:13.5px;line-height:1.7;color:#C7D6D1}

/* 入口网格 */
.entry-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.entry-grid{grid-template-columns:1fr 1fr}}
.entry-card{
  display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:14px;box-shadow:var(--shadow-1);
  transition:transform .16s cubic-bezier(.2,.7,.3,1),box-shadow .16s ease,border-color .16s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100)}
.entry-thumb{flex:0 0 96px;width:96px;height:96px;border-radius:10px;overflow:hidden;background:var(--brand-100)}
.entry-thumb img{width:100%;height:100%;object-fit:cover}
.entry-body h3{font-size:16.5px;font-weight:700;line-height:1.45}
.entry-body p{margin-top:6px;font-size:13.5px;line-height:1.7;color:var(--text-2)}
.entry-body .link-inline{margin-top:8px;font-size:14px}

/* FAQ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;font-size:16.5px;font-weight:600;
  color:var(--text-1);cursor:pointer;transition:background-color .16s ease;
}
.faq-q:hover{background:var(--paper)}
.faq-sign{flex:0 0 auto;color:var(--accent-500);font-size:19px;font-weight:700;line-height:1}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:820px}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;
  border-radius:var(--r-hero);padding:40px 24px;
}
@media(min-width:1024px){.cta-band{padding:56px}}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 18px);
}
.cta-inner{position:relative;display:flex;flex-direction:column;gap:24px}
@media(min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}}
.cta-inner h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:#fff}
.cta-inner p{margin-top:10px;font-size:15px;color:#C7D6D1;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(max-width:520px){.cta-actions .btn{width:100%}}

/* 页脚 */
.site-footer{background:var(--paper);border-top:1px solid var(--line);margin-top:72px;padding-top:48px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:var(--text-2);max-width:340px}
.footer-title{margin:0 0 12px;font-size:14px;font-weight:700;color:var(--text-1)}
.footer-link{display:block;padding:5px 0;font-size:14px;color:var(--text-2)}
.footer-link:hover{color:var(--accent-500)}
.footer-contact{font-size:14px;line-height:1.9;color:var(--text-2)}
.footer-bottom{
  margin-top:36px;padding:18px 0 24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:13px;color:var(--text-3);letter-spacing:.02em;
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--accent-500)}