/* roulang page: index */
:root{
  --brand:#1F6B5C;
  --brand-2:#24806D;
  --brand-deep:#1B2B27;
  --brand-soft:rgba(31,107,92,.08);
  --brand-line:rgba(31,107,92,.30);
  --accent:#E2863A;
  --accent-deep:#B3661F;
  --accent-soft:rgba(226,134,58,.13);
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --text:#22282A;
  --muted:#6B7472;
  --border:#E3E1DA;
  --danger:#C4573F;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-sm:0 2px 10px rgba(31,107,92,.06);
  --shadow-md:0 12px 30px rgba(31,107,92,.10);
  --shadow-lg:0 22px 50px rgba(27,43,39,.16);
  --ease:.25s cubic-bezier(.4,0,.2,1);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease)}
a:hover{color:var(--accent-deep)}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;color:var(--text)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;background:none;border:0;cursor:pointer;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(226,134,58,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-tint{background:linear-gradient(180deg,#F2F1EB 0%,#F7F6F2 100%)}
.section-head{max-width:760px;margin:0 auto 46px;text-align:center}
.section-head h2{font-size:28px;margin:14px 0 12px}
.section-head p{margin:0;color:var(--muted);font-size:15.5px}
.section-head.left{text-align:left;margin-left:0}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand);letter-spacing:.2px}
.badge-accent{background:var(--accent-soft);color:var(--accent-deep)}
.badge-outline{background:transparent;border:1px solid var(--border);color:var(--muted);font-weight:500}
.badge-hot{background:var(--accent);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);white-space:nowrap;line-height:1}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,107,92,.22)}
.btn-primary:hover,.btn-primary:active{background:#185548;color:#fff;transform:translateY(-1px) scale(1.02);box-shadow:0 14px 28px rgba(31,107,92,.28)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(226,134,58,.26)}
.btn-accent:hover{background:#cf7429;color:#fff;transform:translateY(-1px) scale(1.02)}
.btn-ghost{border-color:var(--brand-line);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.32)}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:9px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);border-bottom:2px solid transparent;padding-bottom:2px}
.link-more:hover{border-bottom-color:var(--brand);color:var(--brand)}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,246,242,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(27,43,39,.08)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 8px 18px rgba(31,107,92,.26)}
.brand-text strong{display:block;font-size:15.5px;font-weight:700;line-height:1.3;letter-spacing:.2px}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--muted);letter-spacing:1.8px;line-height:1.4}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;padding:9px 12px;font-size:14.5px;color:#3C4644;border-radius:8px;white-space:nowrap}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--brand)}
.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.command-search{position:relative;display:flex;align-items:center;width:236px;height:42px;padding:0 15px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);transition:border-color var(--ease),box-shadow var(--ease)}
.command-search i{color:var(--muted);font-size:13px}
.command-search input{flex:1;border:0;outline:0;background:transparent;padding-left:9px;font-size:13.5px;line-height:1.4}
.command-search input::placeholder{color:#9AA3A0}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,107,92,.10)}
.quick-link{font-size:13.5px;color:var(--muted);padding:6px 4px;border-bottom:1px dashed transparent}
.quick-link:hover{color:var(--brand);border-bottom-color:var(--brand)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--border);background:#fff;color:var(--brand);font-size:16px;align-items:center;justify-content:center}
.mobile-drawer{display:none;border-top:1px solid var(--border);background:var(--surface);padding:18px 0 24px}
.mobile-drawer.is-open{display:block}
.mobile-drawer .command-search{width:100%;margin-bottom:14px}
.mobile-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.mobile-nav a{padding:12px 14px;border-radius:10px;font-size:15px;color:#3C4644}
.mobile-nav a:hover,.mobile-nav a.is-active{background:var(--brand-soft);color:var(--brand)}

/* ============ HERO ============ */
.hero{position:relative;padding:72px 0 78px;background:
  radial-gradient(900px 380px at 88% 0%,rgba(31,107,92,.10),transparent 62%),
  radial-gradient(620px 320px at 4% 100%,rgba(226,134,58,.10),transparent 66%),
  var(--bg);
  overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.hero h1{font-size:40px;line-height:1.28;margin:16px 0 14px;letter-spacing:-.4px}
.hero h1 span{color:var(--brand)}
.hero-sub{font-size:17px;color:#3C4644;font-weight:500;margin-bottom:12px}
.hero-desc{font-size:15.5px;color:var(--muted);max-width:540px;margin-bottom:26px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:#3C4644}
.hero-points i{color:var(--brand);font-size:13px}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.6)}
.hero-visual img{width:100%;height:420px;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(31,107,92,.30) 0%,rgba(27,43,39,.10) 55%,rgba(27,43,39,.46) 100%)}
.hero-visual-caption{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;color:#fff;font-size:13.5px}
.hero-visual-caption strong{font-weight:600;letter-spacing:.3px}
.hero-float{position:absolute;z-index:3;top:20px;left:20px;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.94);border-radius:var(--radius-pill);padding:8px 16px;font-size:13px;font-weight:600;color:var(--brand);box-shadow:var(--shadow-md)}
.dot-live{width:8px;height:8px;border-radius:50%;background:#25A87E;box-shadow:0 0 0 4px rgba(37,168,126,.18)}

/* ============ METRICS ============ */
.metrics{margin-top:-34px;position:relative;z-index:5}
.metrics-inner{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
.metric{padding:26px 24px;border-right:1px solid var(--border)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:30px;color:var(--brand);font-weight:700;letter-spacing:-.5px;line-height:1.2}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted)}

/* ============ TIERS ============ */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tier-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px 22px;box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);display:flex;flex-direction:column}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.tier-card .tier-tag{position:absolute;top:18px;right:18px}
.tier-index{font-size:12px;letter-spacing:2px;color:var(--muted);font-weight:600}
.tier-card h3{font-size:20px;margin:10px 0 6px;color:var(--muted)}
.tier-card.tier-1{background:linear-gradient(180deg,#FFFFFF 0%,#F4F8F6 100%)}
.tier-card.tier-1 h3{color:var(--brand-2)}
.tier-card.tier-2{border-color:rgba(31,107,92,.22)}
.tier-card.tier-2 h3{color:var(--brand)}
.tier-card.tier-3{border-color:var(--brand);box-shadow:0 14px 32px rgba(31,107,92,.14)}
.tier-card.tier-3 h3{color:var(--brand)}
.tier-card.tier-4{background:linear-gradient(180deg,var(--brand) 0%,#1B5B4F 100%);border-color:#1B5B4F;color:#fff}
.tier-card.tier-4 h3,.tier-card.tier-4 .tier-index{color:#fff}
.tier-card.tier-4 .tier-index{opacity:.7}
.tier-card.tier-4 .tier-desc{color:rgba(255,255,255,.78)}
.tier-desc{font-size:13.5px;color:var(--muted);min-height:42px;margin-bottom:14px}
.tier-list{margin-bottom:22px;flex:1}
.tier-list li{position:relative;padding-left:20px;font-size:14px;line-height:1.85;margin-bottom:8px;color:#3C4644}
.tier-list li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brand-2)}
.tier-card.tier-4 .tier-list li{color:rgba(255,255,255,.88)}
.tier-card.tier-4 .tier-list li::before{background:var(--accent)}

/* ============ PLANS ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center}
.plan-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.plan-card.is-featured{transform:scale(1.06);border:2px solid var(--brand);box-shadow:0 22px 44px rgba(31,107,92,.16);z-index:2;position:relative}
.plan-card.is-featured:hover{transform:scale(1.06) translateY(-3px)}
.plan-name{font-size:19px;margin-bottom:6px}
.plan-note{font-size:13.5px;color:var(--muted);min-height:44px;margin-bottom:18px}
.plan-price{font-size:15px;color:var(--muted);padding-bottom:18px;border-bottom:1px dashed var(--border);margin-bottom:18px}
.plan-price strong{font-size:26px;color:var(--brand);font-weight:700;margin-right:4px}
.plan-feature li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;line-height:1.8;margin-bottom:11px;color:#3C4644}
.plan-feature i{color:var(--brand-2);font-size:13px;margin-top:6px}
.plan-feature li.muted{color:#9AA3A0}
.plan-feature li.muted i{color:#C6CBC8}
.plan-foot{margin-top:22px}
.plan-ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:12.5px;font-weight:600;padding:5px 16px;border-radius:var(--radius-pill);box-shadow:0 8px 18px rgba(226,134,58,.3);white-space:nowrap}

/* ============ COUNTDOWN ============ */
.flash{background:var(--brand-deep);border-radius:var(--radius-lg);padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden;color:#fff}
.flash::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.20}
.flash > *{position:relative;z-index:2}
.flash-left h2{color:#fff;font-size:25px;margin-bottom:10px}
.flash-left p{color:rgba(255,255,255,.76);font-size:14.5px;margin:0;max-width:520px}
.flash-right{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.countdown{display:flex;align-items:center;gap:8px}
.cd-cell{min-width:62px;text-align:center;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:10px 8px 8px}
.cd-cell b{display:block;font-size:24px;font-weight:700;line-height:1.1;letter-spacing:.5px}
.cd-cell span{display:block;font-size:11.5px;color:rgba(255,255,255,.62);margin-top:4px}
.cd-colon{color:rgba(255,255,255,.45);font-size:20px;padding-bottom:14px}

/* ============ PROCESS + RANK ============ */
.split-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.step-list{counter-reset:step}
.step-item{position:relative;padding:0 0 26px 62px;border-left:2px dashed var(--border);margin-left:20px}
.step-item:last-child{border-left-color:transparent;padding-bottom:0}
.step-item::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:-21px;top:0;width:40px;height:40px;border-radius:12px;background:var(--surface);border:1px solid var(--border);color:var(--brand);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}
.step-item h3{font-size:17px;margin-bottom:6px}
.step-item p{font-size:14.5px;color:var(--muted);margin:0}
.rank-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:8px 6px}
.rank-row{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:12px;transition:background var(--ease)}
.rank-row:hover{background:var(--brand-soft)}
.rank-no{width:26px;height:26px;border-radius:8px;background:#F1F0EA;color:var(--muted);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.rank-row:nth-child(1) .rank-no{background:var(--brand);color:#fff}
.rank-row:nth-child(2) .rank-no{background:var(--brand-2);color:#fff}
.rank-row:nth-child(3) .rank-no{background:rgba(226,134,58,.9);color:#fff}
.rank-main{flex:1;min-width:0}
.rank-main strong{display:block;font-size:15px;font-weight:600}
.rank-main span{display:block;font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-heat{font-size:12px;color:var(--accent-deep);background:var(--accent-soft);border-radius:var(--radius-pill);padding:3px 10px;font-weight:600;flex-shrink:0}

/* ============ NEWS ============ */
.news-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);height:100%;display:flex;flex-direction:column;margin-bottom:30px}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDECE6}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--text)}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:14px;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:#9AA3A0;border-top:1px solid var(--border);padding-top:14px}
.news-meta i{margin-right:5px}
.empty-state{text-align:center;padding:60px 20px;border:1px dashed var(--border);border-radius:var(--radius);background:var(--surface)}
.empty-state i{font-size:34px;color:#C6CBC8;display:block;margin-bottom:14px}
.empty-state p{color:var(--muted);margin:0 0 16px}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item[open]{border-color:var(--brand-line);box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-size:16.5px;font-weight:600;position:relative;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--muted);transition:transform var(--ease)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-body{padding:0 24px 22px 24px;border-left:3px solid var(--brand);margin-left:24px;padding-left:18px}
.faq-body p{margin:0;font-size:14.8px;color:var(--muted);line-height:1.9}

/* ============ FORM ============ */
.consult{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--brand-deep);padding:52px 48px}
.consult::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.16}
.consult-grid{position:relative;z-index:2;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.consult-info h2{color:#fff;font-size:27px;margin-bottom:14px}
.consult-info p{color:rgba(255,255,255,.74);font-size:14.8px}
.consult-info ul{margin-top:22px}
.consult-info li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.86);font-size:14.5px;margin-bottom:12px}
.consult-info li i{color:var(--accent)}
.consult-form{background:var(--surface);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-lg)}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13.5px;font-weight:600;color:#3C4644;margin-bottom:8px}
.form-row input,.form-row select,.form-row textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:#FCFBF8;line-height:1.6;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:0;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(31,107,92,.10)}
.form-row textarea{min-height:110px;resize:vertical}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-privacy{font-size:12.5px;color:var(--muted);margin:12px 0 16px}
.form-tip{margin-top:14px;padding:11px 14px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-size:13.5px}

/* ============ FOOTER ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:700;margin-bottom:6px}
.footer-brand em{display:block;font-style:normal;font-size:11.5px;letter-spacing:1.8px;color:rgba(255,255,255,.45);margin-bottom:16px}
.footer-brand p{font-size:13.8px;color:rgba(255,255,255,.62);max-width:280px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-col li{margin-bottom:11px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:12px}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:13px}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}

/* ============ FLOATING BAR ============ */
.float-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--border);padding:10px 16px;gap:10px;box-shadow:0 -6px 20px rgba(27,43,39,.08)}
.float-bar .btn{flex:1}

/* ============ RESPONSIVE ============ */
@media screen and (max-width:1200px){
  .header-inner{gap:14px}
  .command-search{width:196px}
  .nav-link{padding:9px 9px;font-size:14px}
  .hero h1{font-size:36px}
}
@media screen and (max-width:992px){
  .main-nav{display:none}
  .quick-link{display:none}
  .header-tools{gap:8px}
  .command-search{display:none}
  .menu-toggle{display:flex}
  .hero{padding:48px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual img{height:320px}
  .metrics-inner{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--border)}
  .tier-grid{grid-template-columns:repeat(2,1fr)}
  .plan-grid{grid-template-columns:1fr;gap:26px}
  .plan-card.is-featured{transform:none}
  .plan-card.is-featured:hover{transform:translateY(-3px)}
  .split-grid{grid-template-columns:1fr;gap:34px}
  .flash{flex-direction:column;align-items:flex-start;padding:30px 26px}
  .consult{padding:40px 28px}
  .consult-grid{grid-template-columns:1fr;gap:30px}
  .section{padding:64px 0}
}
@media screen and (max-width:768px){
  .section{padding:52px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:23px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .brand-text strong{font-size:14px}
  .brand-text em{font-size:10px;letter-spacing:1.2px}
  .tier-grid{grid-template-columns:1fr}
  .form-grid-2{grid-template-columns:1fr}
  .float-bar{display:flex}
  .site-footer{padding-bottom:76px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .metrics{margin-top:0;padding-top:32px}
}
@media screen and (max-width:560px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .hero h1{font-size:25px}
  .hero-visual img{height:240px}
  .metrics-inner{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--border)}
  .metric:last-child{border-bottom:0}
  .metric strong{font-size:25px}
  .flash-right{width:100%}
  .countdown{width:100%;justify-content:space-between}
  .cd-cell{min-width:0;flex:1}
  .consult{padding:32px 18px}
  .consult-form{padding:22px 18px}
  .btn{width:100%}
  .hero-actions .btn,.flash-right .btn{width:100%}
  .rank-heat{display:none}
}

/* roulang page: article */
/* ================= 设计变量 ================= */
:root{
  --brand:#1F6B5C;
  --brand-strong:#155043;
  --brand-2:#24806D;
  --brand-soft:#E9F2EF;
  --accent:#E2863A;
  --accent-strong:#C9712B;
  --accent-soft:#FCF0E4;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --ink:#22282A;
  --ink-2:#2C3335;
  --muted:#6B7472;
  --line:#E3E1DA;
  --dark:#1B2B27;
  --dark-2:#12201D;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 2px 10px rgba(31,107,92,.06);
  --shadow-md:0 10px 24px rgba(31,107,92,.10);
  --shadow-lg:0 16px 40px rgba(31,107,92,.16);
  --t:.24s ease;
  --container:1180px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(31,107,92,.4);outline-offset:2px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ================= 按钮体系 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  white-space:nowrap;transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(31,107,92,.22);}
.btn-primary:hover{background:var(--brand-strong);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,107,92,.28);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(226,134,58,.28);}
.btn-accent:hover{background:var(--accent-strong);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-strong);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}

/* ================= 徽章 ================= */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand);letter-spacing:.2px;
}
.badge-accent{background:var(--accent-soft);color:var(--accent-strong);}

/* ================= 顶部命令栏 ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,242,.93);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(31,107,92,.08);}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto;}
.brand strong{font-size:17px;font-weight:800;color:var(--brand);letter-spacing:.2px;}
.brand em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:2px;margin-top:3px;}
.main-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;}
.nav-link{
  position:relative;padding:9px 12px;font-size:15px;color:#414C49;
  border-radius:8px;white-space:nowrap;transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.command-search{position:relative;width:238px;}
.command-search input{
  width:100%;height:42px;border-radius:var(--radius-pill);border:1px solid var(--line);
  background:#fff;padding:0 16px 0 40px;font-size:14px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.command-search input::placeholder{color:#9AA3A1;}
.command-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,107,92,.12);}
.command-search .search-icon{
  position:absolute;left:15px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:14px;pointer-events:none;
}
.icon-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color var(--t),background var(--t),transform var(--t);
}
.icon-btn:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--brand);
  align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-soft);}

/* ================= 移动端抽屉 ================= */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,32,29,.46);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:110;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;
  transform:translateX(100%);transition:transform .3s ease;z-index:120;
  padding:22px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
  box-shadow:-12px 0 40px rgba(0,0,0,.18);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-top strong{font-size:16px;color:var(--brand);font-weight:800;}
.drawer-close{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--brand);border-color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:16px;}
.drawer-nav a{
  padding:13px 14px;border-radius:var(--radius-sm);font-size:15px;color:#3A4441;
  transition:background var(--t),color var(--t);
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600;}

/* ================= 文章头图区 ================= */
.article-hero{
  position:relative;color:#fff;padding:46px 0 56px;
  background-color:var(--dark);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,32,29,.88) 0%,rgba(18,32,29,.80) 100%);
}
.article-hero .container{position:relative;z-index:2;}

.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;margin-bottom:20px;color:rgba(255,255,255,.66);}
.breadcrumb a{color:rgba(255,255,255,.88);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{
  color:rgba(255,255,255,.62);max-width:400px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}
.article-hero h1{
  font-size:clamp(25px,3.4vw,38px);color:#fff;letter-spacing:.2px;
  max-width:940px;line-height:1.35;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.78);}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--accent);font-size:13px;}
.hero-meta strong{color:#fff;font-weight:600;}

/* ================= 正文区 ================= */
.article-wrap{padding:58px 0 72px;}
.article-shell{max-width:820px;margin:0 auto;}

.article-body{font-size:17.5px;line-height:2;color:var(--ink-2);}
.article-body > * + *{margin-top:1.2em;}
.article-body p{color:var(--ink-2);}
.article-body h2{
  font-size:26px;margin-top:1.9em;padding-left:14px;
  border-left:4px solid var(--brand);line-height:1.4;
}
.article-body h3{font-size:20px;margin-top:1.6em;color:var(--brand-strong);}
.article-body h4{font-size:17px;margin-top:1.4em;color:var(--brand-strong);}
.article-body ul{list-style:disc;padding-left:1.4em;}
.article-body ol{list-style:decimal;padding-left:1.4em;}
.article-body li{margin:.5em 0;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#36433F;
}
.article-body blockquote p{margin:0;color:#36433F;}
.article-body img{
  border-radius:var(--radius);margin:1.8em auto;box-shadow:var(--shadow-md);
}
.article-body figure{margin:1.8em 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--muted);line-height:1.7;
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-strong);}
.article-body code{
  background:#EFF1EE;padding:2px 7px;border-radius:6px;font-size:.9em;
  font-family:Menlo,Consolas,Monaco,monospace;color:#2C5F53;
}
.article-body pre{
  background:var(--dark-2);color:#E8F1EE;padding:18px 20px;border-radius:var(--radius-sm);
  overflow-x:auto;line-height:1.75;
}
.article-body pre code{background:none;color:inherit;padding:0;font-size:13.5px;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;
  border-radius:var(--radius-sm);overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;line-height:1.7;}
.article-body th{background:var(--brand-soft);color:var(--brand-strong);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
}
.empty-state i{font-size:38px;color:#B9C7C2;margin-bottom:16px;display:block;}
.empty-state p{font-size:17px;color:var(--muted);margin-bottom:22px;}

/* 文末 */
.article-foot{
  margin-top:52px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-list .tag-label{font-size:13px;color:var(--muted);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--muted);transition:border-color var(--t),color var(--t),background var(--t);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.back-list{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);
}
.back-list:hover{color:var(--brand-strong);}
.back-list i{transition:transform var(--t);}
.back-list:hover i{transform:translateX(-3px);}

/* ================= 相关推荐 ================= */
.related{padding:0 0 92px;}
.related-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:28px;flex-wrap:wrap;
}
.related-head h2{font-size:26px;}
.related-head p{font-size:14px;color:var(--muted);margin-top:6px;}
.related-head .head-line{width:48px;height:3px;background:var(--accent);border-radius:3px;margin-bottom:12px;}

.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);color:inherit;text-decoration:none;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(31,107,92,.3);color:inherit;}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9EDEA;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-thumb .thumb-badge{position:absolute;left:12px;top:12px;}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{
  font-size:17px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14px;color:var(--muted);line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:auto;padding-top:8px;font-size:12.5px;color:#96A29F;display:flex;gap:12px;align-items:center;}

/* ================= 页脚 ================= */
.site-footer{background:var(--dark);color:#C6D2CE;padding:64px 0 0;}
.footer-brand strong{display:block;font-size:18px;color:#fff;font-weight:800;letter-spacing:.2px;}
.footer-brand em{display:block;font-style:normal;font-size:12px;letter-spacing:2px;color:#8FA8A1;margin-top:7px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#9DB0AB;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#A9BCB7;font-size:14px;}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#A9BCB7;line-height:1.75;margin-bottom:12px;}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:14px;
  justify-content:space-between;font-size:13px;color:#829691;
}

/* ================= 响应式 ================= */
@media screen and (max-width:1199px){
  .command-search{width:200px;}
  .header-inner{gap:18px;}
  .nav-link{padding:9px 9px;font-size:14.5px;}
}

@media screen and (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;gap:14px;}
  .article-body h2{font-size:23px;}
}

@media screen and (max-width:991px){
  .command-search{display:none;}
  .header-actions .header-cta{display:none;}
}

@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .article-hero{padding:34px 0 42px;}
  .article-hero h1{font-size:24px;}
  .breadcrumb .current{max-width:190px;}
  .hero-meta{gap:14px;font-size:13px;}
  .article-wrap{padding:40px 0 52px;}
  .article-body{font-size:16.5px;line-height:1.95;}
  .article-body h2{font-size:21px;margin-top:1.7em;}
  .article-body h3{font-size:18px;}
  .article-body pre{padding:14px 15px;}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:9px 10px;}
  .related{padding:0 0 60px;}
  .related-head h2{font-size:22px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .site-footer{padding:48px 0 0;}
  .footer-bottom{margin-top:34px;}
}

@media screen and (max-width:559px){
  .container{padding:0 16px;}
  .header-inner{height:64px;}
  .brand strong{font-size:15px;}
  .brand em{font-size:10px;letter-spacing:1.4px;}
  .btn{height:44px;padding:0 18px;font-size:14.5px;}
  .article-hero h1{font-size:21px;}
  .hero-meta{gap:12px;flex-direction:column;align-items:flex-start;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:19.5px;padding-left:11px;}
  .article-body h3{font-size:17px;}
  .post-body{padding:16px 16px 20px;}
}

/* roulang page: category1 */
:root{
  --brand:#1F6B5C;
  --brand-2:#24806D;
  --brand-soft:rgba(31,107,92,.08);
  --brand-line:rgba(31,107,92,.30);
  --accent:#E2863A;
  --accent-soft:rgba(226,134,58,.12);
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --dark:#1B2B27;
  --text:#22282A;
  --muted:#6B7472;
  --line:#E3E1DA;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(31,107,92,.06);
  --shadow-hover:0 12px 28px rgba(31,107,92,.14);
  --t:.25s ease;
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{line-height:1.3;margin:0 0 12px;font-weight:700;color:var(--text);letter-spacing:.2px;}
h1{font-size:40px;}
h2{font-size:28px;}
h3{font-size:20px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(27,43,39,.08);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:70px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(150deg,var(--brand),var(--brand-2));
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:0 6px 16px rgba(31,107,92,.28);
}
.brand-text strong{display:block;font-size:16.5px;font-weight:700;color:var(--text);line-height:1.25;}
.brand-text em{display:block;font-size:11px;color:var(--muted);font-style:normal;letter-spacing:.8px;line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:11px 13px;font-size:14.5px;color:var(--muted);
  border-radius:8px;transition:color var(--t),background var(--t);white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.command-search{position:relative;display:flex;align-items:center;}
.command-search i{position:absolute;left:15px;color:var(--muted);font-size:13px;pointer-events:none;}
.command-search input{
  width:236px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#fff;padding:0 16px 0 38px;font-size:14px;color:var(--text);
  transition:border-color var(--t),box-shadow var(--t);
}
.command-search input::placeholder{color:#9AA3A0;}
.command-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);}
.quick-link{font-size:14px;color:var(--muted);padding:8px 4px;position:relative;white-space:nowrap;}
.quick-link::after{content:"";position:absolute;left:4px;right:4px;bottom:4px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform var(--t);}
.quick-link:hover::after{transform:scaleX(1);}
.mobile-search,.nav-toggle{display:none;}
.nav-toggle{
  width:44px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:var(--t);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-search{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;
  color:var(--text);font-size:15px;cursor:pointer;
}
.mobile-drawer{
  display:none;position:absolute;top:100%;left:0;right:0;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 16px 30px rgba(27,43,39,.10);
  padding:18px 20px 22px;z-index:79;
}
.mobile-drawer.is-open{display:block;}
.drawer-search{margin-bottom:14px;}
.drawer-search input{width:100%;height:44px;}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:16px;}
.drawer-link{padding:13px 4px;font-size:15.5px;color:var(--muted);border-bottom:1px solid var(--line);}
.drawer-link.is-active{color:var(--brand);font-weight:600;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn:focus-visible{outline:3px solid rgba(226,134,58,.55);outline-offset:2px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(31,107,92,.22);}
.btn-primary:hover{background:#195a4d;color:#fff;transform:translateY(-1px) scale(1.015);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(226,134,58,.26);}
.btn-accent:hover{background:#cf7330;color:#fff;transform:translateY(-1px) scale(1.015);}
.btn-outline{border-color:var(--brand-line);color:var(--brand);background:transparent;}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand);}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08);}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:58px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(16,48,41,.94) 0%,rgba(23,68,58,.82) 46%,rgba(23,68,58,.44) 100%);
}
.hero-inner{position:relative;z-index:2;color:#fff;max-width:840px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;margin-bottom:20px;color:rgba(255,255,255,.75);}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;letter-spacing:.5px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;margin-bottom:18px;
}
.page-hero h1{color:#fff;font-size:42px;margin-bottom:14px;}
.hero-sub{font-size:17px;color:rgba(255,255,255,.88);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:34px;}
.hero-meta li{font-size:13.5px;color:rgba(255,255,255,.78);}
.hero-meta strong{display:block;font-size:24px;color:#fff;font-weight:700;line-height:1.3;}

/* ---------- section base ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head p{color:var(--muted);font-size:16.5px;}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:1.4px;font-weight:600;
  color:var(--brand);background:var(--brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.eyebrow-light{color:#8FD3C2;background:rgba(255,255,255,.10);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.badge-accent{background:var(--accent-soft);color:#B9642128;color:#B96421;}

/* ---------- guide layout ---------- */
.guide-aside{position:sticky;top:96px;}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);margin-bottom:18px;
}
.aside-card h2{font-size:23px;margin:14px 0 12px;}
.aside-card p{color:var(--muted);font-size:15.5px;}
.check-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 24px;box-shadow:var(--shadow);margin-bottom:18px;
}
.check-list li{
  display:flex;gap:10px;padding:11px 0;font-size:15px;color:var(--text);
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--brand);font-size:14px;margin-top:6px;}
.aside-cta{
  background:linear-gradient(160deg,#1F6B5C,#17564a);color:#fff;
  border-radius:var(--radius);padding:26px 24px;
  box-shadow:0 14px 32px rgba(31,107,92,.22);
}
.aside-cta h3{color:#fff;font-size:19px;}
.aside-cta p{color:rgba(255,255,255,.82);font-size:14.5px;margin-bottom:18px;}
.aside-cta .btn-primary{background:var(--accent);box-shadow:0 8px 20px rgba(226,134,58,.28);}
.aside-cta .btn-primary:hover{background:#cf7330;}

.card-grid{margin-top:-14px;}
.content-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);margin-top:14px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-line);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(27,43,39,0) 45%,rgba(27,43,39,.42) 100%);
}
.card-tag{
  position:absolute;left:12px;bottom:12px;z-index:2;
  font-size:12px;padding:4px 11px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand);font-weight:600;
}
.card-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17.5px;margin-bottom:8px;}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:13px;
}
.card-more{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-more i{transition:transform var(--t);font-size:12px;}
.content-card:hover .card-more i{transform:translateX(3px);}

/* ---------- dark steps ---------- */
.section-dark{
  position:relative;color:#E7F0ED;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.section-dark::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,40,34,.95),rgba(17,40,34,.89));
}
.section-dark .container{position:relative;z-index:2;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .section-head p{color:rgba(255,255,255,.76);}
.step-card{
  height:100%;padding:26px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.step-card:hover{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.3);transform:translateY(-2px);}
.step-num{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;
  color:#0F2A24;background:#8FD3C2;border-radius:8px;padding:4px 10px;margin-bottom:16px;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.85;}

/* ---------- faq ---------- */
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden;transition:border-color var(--t);
}
.faq-item:hover{border-color:var(--brand-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;border-left:3px solid transparent;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);
  text-align:left;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t);
}
.faq-q:hover{background:var(--brand-soft);}
.faq-q:focus-visible{outline:3px solid rgba(31,107,92,.35);outline-offset:-3px;}
.faq-icon{color:var(--brand);font-size:13px;transition:transform var(--t);flex-shrink:0;}
.faq-a{display:none;padding:0 22px 20px;border-left:3px solid var(--brand);}
.faq-a p{font-size:15px;color:var(--muted);line-height:1.9;}
.faq-item.is-open{border-color:var(--brand-line);}
.faq-item.is-open .faq-q{border-left-color:var(--brand);color:var(--brand);}
.faq-item.is-open .faq-a{display:block;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-aside{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
}
.faq-aside h3{font-size:19px;margin-bottom:10px;}
.faq-aside p{font-size:14.5px;color:var(--muted);margin-bottom:18px;}
.faq-aside .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}

/* ---------- related ---------- */
.related-card{
  display:block;height:100%;padding:26px 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-line);}
.related-card h3{font-size:19px;margin:14px 0 10px;color:var(--text);}
.related-card p{font-size:14.5px;color:var(--muted);margin-bottom:18px;}
.related-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);}
.related-link i{font-size:12px;transition:transform var(--t);}
.related-card:hover .related-link i{transform:translateX(3px);}
.related-card.is-current{border-color:var(--brand-line);background:linear-gradient(180deg,#fff,#F3F8F6);}

/* ---------- consult ---------- */
.section-consult{background:linear-gradient(175deg,#F1F6F4,#F7F6F2 60%);}
.consult-intro h2{font-size:27px;margin-bottom:14px;}
.consult-intro p{color:var(--muted);font-size:15.5px;max-width:440px;}
.consult-points{margin-top:22px;}
.consult-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text);padding:7px 0;}
.consult-points i{color:var(--brand);margin-top:6px;font-size:13px;}
.consult-form{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:0 14px 34px rgba(31,107,92,.08);
}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:7px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FCFCFA;padding:12px 14px;font-size:14.5px;color:var(--text);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.form-row textarea{min-height:104px;resize:vertical;line-height:1.8;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px var(--brand-soft);
}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;}
.form-feedback{display:none;margin-top:14px;font-size:14px;color:var(--brand);background:var(--brand-soft);border-radius:var(--radius-sm);padding:12px 14px;}
.form-feedback.is-visible{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#A9BAB4;padding:64px 0 0;margin-top:0;}
.site-footer h4{color:#fff;font-size:15px;letter-spacing:.6px;margin-bottom:18px;}
.footer-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:6px;}
.footer-brand em{display:block;font-style:normal;font-size:12px;letter-spacing:1px;color:#7FBFAF;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB2AC;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:#A9BAB4;font-size:14.5px;}
.footer-col ul li a:hover{color:#8FD3C2;text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#9FB2AC;margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:#7FBFAF;margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:48px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7F9089;
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .command-search input{width:190px;}
  .nav-link{padding:11px 10px;font-size:14px;}
  .page-hero h1{font-size:38px;}
}
@media (max-width:992px){
  .main-nav,.header-actions{display:none;}
  .nav-toggle{display:flex;}
  .mobile-search{display:block;}
  .header-inner{gap:12px;}
  .brand-text strong{font-size:15.5px;}
  .brand{margin-right:auto;}
  .page-hero{padding:44px 0 56px;}
  .page-hero h1{font-size:33px;}
  .hero-sub{font-size:16px;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:34px;}
  .guide-aside{position:static;margin-bottom:26px;}
  .hero-meta{gap:24px;}
}
@media (max-width:768px){
  h1{font-size:29px;}
  h2{font-size:24px;}
  .section{padding:52px 0;}
  .section-head h2{font-size:23px;}
  .page-hero h1{font-size:29px;}
  .hero-actions{gap:10px;}
  .btn{height:44px;padding:0 20px;font-size:14.5px;}
  .hero-meta strong{font-size:20px;}
  .card-body{padding:18px 18px 16px;}
  .consult-form{padding:22px 18px;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .page-hero{padding:34px 0 44px;}
  .page-hero h1{font-size:25px;}
  .hero-sub{font-size:15px;}
  .hero-badge{font-size:12px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:14.5px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:18px;}
  .hero-meta li{font-size:12.5px;}
  .section-dark .step-card{padding:22px 18px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1F6B5C;
  --c-primary-2:#24806D;
  --c-primary-deep:#184F45;
  --c-primary-soft:rgba(31,107,92,.09);
  --c-primary-line:rgba(31,107,92,.30);
  --c-accent:#E2863A;
  --c-accent-soft:rgba(226,134,58,.14);
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-text:#22282A;
  --c-text-2:#6B7472;
  --c-border:#E3E1DA;
  --c-footer:#1B2B27;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(31,107,92,.06);
  --sh-2:0 12px 30px rgba(31,107,92,.14);
  --dur:.25s;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;font-weight:700;color:var(--c-text);letter-spacing:.2px;}
h1{font-size:40px;}
h2{font-size:28px;}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1.1em;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) ease;}
a:hover,a:focus{color:var(--c-primary-2);}
img{max-width:100%;display:block;border-radius:var(--r-md);}
button{font-family:inherit;}
ul{margin:0;padding:0;}
li{list-style:none;}
:focus-visible{outline:3px solid rgba(226,134,58,.75);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:84px 0;}
.section--tight{padding:64px 0;}
.section--surface{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{display:inline-block;font-size:13px;letter-spacing:1.4px;color:var(--c-primary);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;font-weight:600;}
.section-head p{color:var(--c-text-2);margin-bottom:0;font-size:16px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur) ease,background var(--dur) ease,color var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;border-radius:9px;}
.btn-lg{height:52px;padding:0 30px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(31,107,92,.22);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-2);color:#fff;transform:translateY(-1px) scale(1.015);box-shadow:0 10px 22px rgba(31,107,92,.28);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(226,134,58,.26);}
.btn-accent:hover,.btn-accent:focus{background:#c9762f;color:#fff;transform:translateY(-1px);}
.btn-ghost{border-color:rgba(255,255,255,.65);color:#fff;background:transparent;}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(255,255,255,.14);color:#fff;}
.btn-outline{border-color:var(--c-primary-line);color:var(--c-primary);background:transparent;}
.btn-outline:hover,.btn-outline:focus{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary);}
.btn-text{padding:0;height:auto;color:var(--c-primary);font-weight:600;background:none;}
.btn-text i{transition:transform var(--dur) ease;}
.btn-text:hover i{transform:translateX(4px);}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
}
.badge--accent{background:var(--c-accent-soft);color:#B96A22;}
.badge--outline{background:transparent;border:1px solid var(--c-border);color:var(--c-text-2);}

/* 顶栏导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow var(--dur) ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(24,79,69,.08);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-2));
  color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(31,107,92,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16.5px;color:var(--c-text);font-weight:700;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-text-2);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:9px;
  font-size:15.5px;font-weight:500;color:#3C4442;white-space:nowrap;
  transition:color var(--dur) ease,background var(--dur) ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.command-search{
  position:relative;display:flex;align-items:center;
  width:250px;height:42px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-border);
  padding:0 14px;transition:border-color var(--dur) ease,box-shadow var(--dur) ease;
}
.command-search i{color:var(--c-text-2);font-size:14px;margin-right:9px;}
.command-search input{
  border:0;outline:none;background:transparent;width:100%;
  font-size:14px;color:var(--c-text);font-family:inherit;
}
.command-search input::placeholder{color:#9AA3A0;}
.command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(31,107,92,.12);}
.quick-link{font-size:14.5px;color:var(--c-text-2);white-space:nowrap;}
.quick-link:hover{color:var(--c-primary);text-decoration:underline;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--c-border);background:#fff;color:var(--c-primary);
  font-size:17px;cursor:pointer;
}
.nav-toggle:hover{background:var(--c-primary-soft);}
.mobile-drawer{
  display:none;border-top:1px solid var(--c-border);background:#fff;
  padding:16px 20px 24px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .command-search{width:100%;margin-bottom:14px;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
.mobile-drawer .nav-link{border-radius:10px;padding:12px 14px;}
.mobile-drawer .nav-link::after{display:none;}
.mobile-drawer .nav-link.is-active{background:var(--c-primary-soft);}
.mobile-drawer .btn{width:100%;}

/* Hero */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,62,54,.94) 0%,rgba(24,79,69,.86) 46%,rgba(24,79,69,.58) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:78px;padding-bottom:82px;}
.hero-crumb{font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:18px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.hero-crumb a{color:rgba(255,255,255,.86);}
.hero-crumb a:hover{color:#fff;text-decoration:underline;}
.page-hero h1{color:#fff;font-size:42px;margin-bottom:14px;max-width:720px;}
.page-hero .hero-sub{font-size:17.5px;color:rgba(255,255,255,.9);max-width:640px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;border-top:1px solid rgba(255,255,255,.22);padding-top:26px;max-width:760px;}
.hero-stats div strong{display:block;font-size:23px;font-weight:700;color:#fff;line-height:1.35;}
.hero-stats div span{font-size:13.5px;color:rgba(255,255,255,.78);}

/* 导语 */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.intro-grid .lead{font-size:18px;color:#2E3533;}
.point-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.point{
  display:flex;gap:12px;background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-1);
}
.point i{color:var(--c-primary);font-size:16px;margin-top:5px;}
.point strong{display:block;font-size:15.5px;}
.point span{font-size:14px;color:var(--c-text-2);line-height:1.7;}
.intro-figure{position:relative;}
.intro-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--sh-2);}
.intro-figure .fig-note{
  position:absolute;left:20px;bottom:20px;right:20px;
  background:rgba(255,255,255,.94);border-radius:var(--r-md);
  padding:14px 18px;font-size:14px;color:var(--c-text-2);border:1px solid var(--c-border);
}

/* 时间线 */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--c-primary-line),rgba(226,134,58,.42));
}
.tl-item{position:relative;padding-left:74px;margin-bottom:28px;}
.tl-item:last-child{margin-bottom:0;}
.tl-node{
  position:absolute;left:0;top:6px;width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid var(--c-primary-line);color:var(--c-primary);
  display:grid;place-items:center;font-weight:700;font-size:15px;
  box-shadow:0 4px 12px rgba(31,107,92,.12);
}
.tl-item.is-key .tl-node{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(226,134,58,.3);}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary-line);}
.tl-card.has-media{display:grid;grid-template-columns:300px 1fr;}
.tl-thumb{height:100%;min-height:200px;overflow:hidden;}
.tl-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.tl-card:hover .tl-thumb img{transform:scale(1.04);}
.tl-body{padding:24px 26px;}
.tl-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
.tl-time{font-size:13px;color:var(--c-text-2);display:inline-flex;align-items:center;gap:6px;}
.tl-body p{margin-bottom:14px;color:#39403E;font-size:15.5px;}
.check-list{display:grid;gap:9px;}
.check-list li{position:relative;padding-left:24px;font-size:14.8px;color:var(--c-text-2);}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;color:var(--c-primary);font-size:12px;
}

/* 设置清单 */
.setting-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
.setting-cards{display:grid;gap:16px;}
.setting-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:border-color var(--dur) ease,box-shadow var(--dur) ease,transform var(--dur) ease;
}
.setting-item:hover{border-color:var(--c-primary-line);box-shadow:var(--sh-2);transform:translateY(-2px);}
.setting-ico{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:17px;
}
.setting-item h3{font-size:17px;margin-bottom:6px;}
.setting-item p{margin:0;font-size:14.8px;color:var(--c-text-2);}
.setting-figure img{width:100%;aspect-ratio:3/4;object-fit:cover;box-shadow:var(--sh-2);}

/* 相关分类 */
.rel-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-primary-line);}
.rel-card .rel-thumb{aspect-ratio:16/9;overflow:hidden;}
.rel-card .rel-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.rel-card .rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.rel-card h3{font-size:18px;margin:12px 0 8px;}
.rel-card p{font-size:14.6px;color:var(--c-text-2);flex:1;}
.rel-card .btn-text{align-self:flex-start;font-size:14.5px;}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color var(--dur) ease,box-shadow var(--dur) ease;
}
.faq-item[open]{border-color:var(--c-primary-line);box-shadow:var(--sh-2);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px 20px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:17px;font-weight:600;color:var(--c-text);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\2b";font-weight:700;color:var(--c-primary);font-size:19px;line-height:1;
  transition:transform var(--dur) ease;flex-shrink:0;
}
.faq-item[open] summary::after{content:"\2212";}
.faq-item summary:hover{color:var(--c-primary);}
.faq-body{
  padding:0 24px 22px 26px;margin-left:0;border-left:3px solid var(--c-primary);
  margin-left:24px;padding-left:20px;font-size:15.6px;color:var(--c-text-2);
}
.faq-body p{margin-bottom:.7em;}
.faq-body p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{
  background:linear-gradient(120deg,var(--c-primary-deep),var(--c-primary));
  border-radius:var(--r-lg);padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  box-shadow:0 18px 40px rgba(24,79,69,.22);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);margin-bottom:0;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-note{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.75);}

/* 页脚 */
.site-footer{background:var(--c-footer);color:#C9D3CF;padding:66px 0 0;margin-top:0;}
.footer-brand strong{display:block;font-size:18px;color:#fff;margin-bottom:6px;}
.footer-brand em{font-style:normal;font-size:13px;color:rgba(255,255,255,.6);letter-spacing:1px;}
.footer-brand p{font-size:14.5px;color:#9DAAA5;margin-top:14px;line-height:1.8;}
.footer-col h4{font-size:15.5px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:#B7C3BE;font-size:14.6px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{font-size:14.4px;color:#B7C3BE;display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--c-accent);margin-top:5px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#8C9996;
}

/* 响应式 */
@media (max-width:1200px){
  :root{--container:1040px;}
  .command-search{width:210px;}
}
@media (max-width:992px){
  .main-nav{display:none;}
  .quick-link{display:none;}
  .nav-toggle{display:inline-grid;place-items:center;}
  .header-tools .btn-primary{display:none;}
  .header-inner{gap:16px;justify-content:space-between;}
  .section{padding:64px 0;}
  .intro-grid,.setting-grid{grid-template-columns:1fr;gap:32px;}
  .setting-figure{order:-1;}
  .setting-figure img{aspect-ratio:16/9;}
  .page-hero h1{font-size:34px;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:768px){
  body{font-size:16px;}
  h2{font-size:24px;}
  .tl-card.has-media{grid-template-columns:1fr;}
  .tl-thumb{min-height:180px;aspect-ratio:16/9;}
  .point-list{grid-template-columns:1fr;}
  .hero-stats{gap:28px;}
  .hero-stats div strong{font-size:20px;}
  .page-hero .container{padding-top:56px;padding-bottom:60px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:16px;}
  .timeline::before{left:18px;}
  .tl-item{padding-left:56px;}
  .tl-node{width:38px;height:38px;font-size:13.5px;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  h1{font-size:27px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:15.5px;line-height:1.85;}
  .section{padding:48px 0;}
  .section--tight{padding:44px 0;}
  .header-inner{height:64px;}
  .brand-text strong{font-size:15px;}
  .brand-text em{font-size:11.5px;}
  .page-hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .cta-band{padding:32px 22px;border-radius:var(--r-md);}
  .cta-actions .btn{width:100%;}
  .tl-body{padding:20px;}
  .faq-item summary{font-size:15.6px;padding:16px 18px;}
  .faq-body{margin-left:16px;padding-left:14px;padding-right:18px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --primary:#24806D;
  --primary-dark:#1F6B5C;
  --primary-deep:#1B2B27;
  --primary-soft:#E8F1EE;
  --primary-tint:#F2F6F4;
  --accent:#E2863A;
  --accent-dark:#C96F26;
  --accent-soft:#FBF0E5;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --text:#22282A;
  --text-soft:#4A5250;
  --muted:#6B7472;
  --border:#E3E1DA;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(31,107,92,.06);
  --shadow-md:0 8px 24px rgba(31,107,92,.11);
  --shadow-lg:0 18px 46px rgba(27,43,39,.16);
  --ease:.25s cubic-bezier(.4,0,.2,1);
  --container:1180px;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--primary-dark);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
table{border-collapse:collapse;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(226,134,58,.55);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(36,128,109,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px) scale(1.015);box-shadow:0 12px 24px rgba(31,107,92,.26);}
.btn-primary:active{transform:translateY(0) scale(1);}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary-dark);}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(226,134,58,.24);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-tint);}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:9px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:12.5px;font-weight:600;line-height:1.7;letter-spacing:.2px;
}
.badge-accent{background:var(--accent-soft);color:#B4631F;}
.badge-line{background:transparent;border:1px solid var(--border);color:var(--muted);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(27,43,39,.09);}
.header-inner{display:flex;align-items:center;min-height:70px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;display:grid;place-items:center;font-size:17px;
  box-shadow:0 6px 14px rgba(36,128,109,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:1.4px;margin-top:3px;}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{position:relative;padding:9px 13px;font-size:14.5px;color:var(--muted);border-radius:8px;}
.nav-link:hover{color:var(--primary-dark);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary-dark);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;background:var(--primary);
}

.header-tools{display:flex;align-items:center;gap:12px;margin-left:22px;}
.command-search{position:relative;display:flex;align-items:center;}
.command-search i{position:absolute;left:14px;color:var(--muted);font-size:13px;pointer-events:none;}
.command-search input{
  width:240px;height:40px;padding:0 16px 0 36px;
  border:1px solid var(--border);border-radius:999px;background:#fff;
  font-size:13.5px;color:var(--text);font-family:inherit;
  transition:border-color var(--ease),box-shadow var(--ease),width var(--ease);
}
.command-search input::placeholder{color:#A6AEAB;}
.command-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,128,109,.15);}
.quick-link{font-size:14px;color:var(--muted);position:relative;}
.quick-link::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;background:var(--primary);transition:right var(--ease);}
.quick-link:hover{color:var(--primary-dark);}
.quick-link:hover::after{right:0;}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border:1px solid var(--border);border-radius:10px;
  background:#fff;cursor:pointer;transition:var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:var(--ease);}
.nav-toggle:hover{border-color:var(--primary);}

.mobile-panel{display:none;background:var(--surface);border-top:1px solid var(--border);padding:18px 0 24px;box-shadow:0 14px 30px rgba(27,43,39,.12);}
.mobile-panel.is-open{display:block;}
.mobile-panel .command-search{width:100%;margin-bottom:16px;}
.mobile-panel .command-search input{width:100%;}
.mobile-nav{display:grid;gap:8px;margin-bottom:18px;}
.mobile-nav a{padding:12px 14px;border-radius:10px;font-size:15px;color:var(--text);background:#FAFAF8;}
.mobile-nav a:hover{background:var(--primary-tint);color:var(--primary-dark);}
.mobile-nav a.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:600;}

/* ============ 页面头 Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--primary-deep);padding:52px 0 62px;color:#fff;}
.page-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.34;}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(27,43,39,.90) 0%,rgba(31,107,92,.74) 56%,rgba(27,43,39,.58) 100%);
}
.page-hero-inner{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb em{font-style:normal;color:#fff;}
.page-hero h1{color:#fff;font-size:clamp(30px,4vw,44px);letter-spacing:.5px;}
.page-hero-sub{margin-top:16px;max-width:660px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);}
.page-hero-tags{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
.page-hero .badge{background:rgba(255,255,255,.15);color:#fff;backdrop-filter:blur(2px);}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
.page-hero .btn-outline{border-color:rgba(255,255,255,.55);color:#fff;}
.page-hero .btn-outline:hover{background:rgba(255,255,255,.15);color:#fff;}
.hero-stats{margin-top:38px;display:flex;flex-wrap:wrap;gap:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.hero-stat b{display:block;font-size:26px;font-weight:700;color:#fff;line-height:1.2;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.4px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--surface);}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,30px);}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2.4px;color:var(--accent);margin-bottom:12px;text-transform:uppercase;}
.section-note{max-width:430px;font-size:14.5px;line-height:1.85;color:var(--muted);}

/* ============ 横向档位条带 ============ */
.rail-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;}
.rail-hint{font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.rail-hint i{color:var(--primary);}
.rail-btns{display:flex;gap:8px;}
.rail-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--border);
  background:#fff;color:var(--primary-dark);cursor:pointer;display:grid;place-items:center;
  transition:var(--ease);font-size:13px;
}
.rail-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff;}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 20px 26px;
  max-width:var(--container);margin:0 auto;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:8px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail::-webkit-scrollbar-thumb{background:#D5D9D6;border-radius:99px;}
.rail::-webkit-scrollbar-thumb:hover{background:var(--primary);}
.rail-card{
  position:relative;flex:0 0 306px;scroll-snap-align:start;
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(36,128,109,.35);}
.rail-card.is-featured{border-color:var(--primary);box-shadow:0 14px 32px rgba(36,128,109,.15);background:linear-gradient(180deg,#FFFFFF 0%,#F6FAF8 100%);}
.rail-rank{font-size:12.5px;letter-spacing:2px;color:var(--muted);font-weight:600;}
.rail-card h3{font-size:19px;margin:10px 0 6px;}
.rail-level{font-size:13.5px;color:var(--muted);}
.rail-list{margin:18px 0 22px;display:grid;gap:10px;font-size:14px;color:var(--text-soft);}
.rail-list li{position:relative;padding-left:20px;line-height:1.75;}
.rail-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--primary);
}
.rail-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.rail-price{font-size:15px;font-weight:700;color:var(--primary-dark);}
.rail-price small{display:block;font-size:12px;font-weight:400;color:var(--muted);}
.rail-badge{position:absolute;top:16px;right:16px;}

/* ============ 导语块 ============ */
.lead-block{
  background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);
  border-radius:var(--radius);padding:26px 30px;margin-bottom:40px;box-shadow:var(--shadow-sm);
}
.lead-block p{font-size:15.5px;line-height:1.95;color:var(--text-soft);}
.lead-block strong{color:var(--primary-dark);}

/* ============ 大卡两列 ============ */
.big-card{
  display:flex;height:100%;margin-bottom:28px;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:var(--ease);
}
.big-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(36,128,109,.32);}
.big-card-media{position:relative;flex:0 0 42%;overflow:hidden;background:var(--primary-soft);}
.big-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.big-card:hover .big-card-media img{transform:scale(1.06);}
.big-card-body{flex:1;display:flex;flex-direction:column;padding:24px 26px;}
.big-card-body h3{font-size:18px;line-height:1.5;}
.big-card-body p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--muted);}
.big-card-meta{
  margin-top:auto;padding-top:16px;display:flex;justify-content:space-between;align-items:center;
  gap:12px;border-top:1px dashed var(--border);font-size:13px;color:var(--muted);
}
.big-card-meta a{font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.big-card-meta a i{font-size:11px;transition:transform var(--ease);}
.big-card-meta a:hover i{transform:translateX(3px);}
.card-badge-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;}

/* ============ 对比表 ============ */
.table-scroll{overflow-x:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);}
.compare-table{width:100%;min-width:760px;font-size:14.5px;}
.compare-table th,.compare-table td{padding:16px 22px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top;}
.compare-table thead th{background:var(--primary-tint);font-size:14px;color:var(--primary-dark);font-weight:700;white-space:nowrap;}
.compare-table thead th:first-child{border-top-left-radius:var(--radius);}
.compare-table thead th:last-child{border-top-right-radius:var(--radius);}
.compare-table tbody td:first-child{font-weight:600;color:var(--text);white-space:nowrap;background:#FCFCFA;}
.compare-table tbody tr:hover{background:#FBFCFB;}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table .th-mark{display:inline-flex;align-items:center;gap:6px;}
.table-note{margin-top:16px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.table-note i{color:var(--accent);}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:var(--ease);
}
.step:hover{border-color:rgba(36,128,109,.32);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.step-num{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-dark);font-weight:700;font-size:15px;
}
.step h3{font-size:16.5px;margin:16px 0 8px;}
.step p{font-size:14px;line-height:1.8;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--ease);}
.faq-item:hover{border-color:rgba(36,128,109,.3);}
.faq-item.is-open{border-color:rgba(36,128,109,.42);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);cursor:pointer;transition:color var(--ease);
}
.faq-q:hover{color:var(--primary-dark);}
.faq-q i{color:var(--primary);font-size:13px;transition:transform var(--ease);flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-item.is-open .faq-a{max-height:520px;}
.faq-a-inner{
  margin:0 24px 22px;padding:4px 0 4px 18px;border-left:3px solid var(--primary);
  font-size:14.5px;line-height:1.9;color:var(--text-soft);
}

/* ============ CTA + 表单 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--primary-deep);color:#fff;
  border-radius:var(--radius-lg);padding:48px;
  display:flex;justify-content:space-between;align-items:center;gap:40px;
}
.cta-band::before{
  content:"";position:absolute;right:-70px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:rgba(46,150,128,.26);
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-90px;width:200px;height:200px;border-radius:50%;
  background:rgba(226,134,58,.14);
}
.cta-copy{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);}
.cta-band p{margin-top:12px;max-width:560px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-outline{border-color:rgba(255,255,255,.55);color:#fff;}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.15);color:#fff;}
.cta-band .btn-primary{background:var(--accent);box-shadow:0 10px 22px rgba(226,134,58,.3);}
.cta-band .btn-primary:hover{background:var(--accent-dark);}

.form-panel{
  margin-top:56px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:38px;box-shadow:var(--shadow-sm);
}
.form-panel h3{font-size:21px;margin-bottom:8px;}
.form-panel > p{font-size:14.5px;color:var(--muted);margin-bottom:28px;}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:var(--text);}
.field label span{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#fff;font-size:14.5px;font-family:inherit;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:#A6AEAB;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,128,109,.14);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-actions{margin-top:26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.form-note{font-size:13px;color:var(--muted);line-height:1.7;}
.form-note i{color:var(--primary);margin-right:6px;}
.form-tip{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);background:var(--primary-soft);color:var(--primary-dark);font-size:14px;}
.form-tip.is-show{display:block;}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:var(--ease);
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(36,128,109,.35);box-shadow:var(--shadow-md);}
.rel-card h3{font-size:17px;color:var(--text);}
.rel-card p{margin-top:10px;font-size:13.5px;line-height:1.85;color:var(--muted);}
.rel-card span{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;font-weight:600;color:var(--primary-dark);}
.rel-card[aria-current] {border-color:var(--primary);background:linear-gradient(180deg,#FFFFFF,#F6FAF8);}
.rel-card[aria-current] span{color:var(--muted);}

/* ============ 页脚 ============ */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.72);padding:66px 0 0;margin-top:0;}
.footer-brand strong{display:block;color:#fff;font-size:17px;line-height:1.4;}
.footer-brand em{display:block;font-style:normal;font-size:12px;letter-spacing:1.8px;color:rgba(255,255,255,.5);margin-top:8px;}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.64);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:20px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:13px;flex-shrink:0;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .command-search input{width:200px;}
  .header-tools{margin-left:14px;}
}
@media (max-width:992px){
  .main-nav{display:none;}
  .header-tools .command-search,
  .header-tools .quick-link{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .header-tools{margin-left:auto;}
  .page-hero{padding:42px 0 52px;}
  .section{padding:64px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .cta-band{padding:38px 32px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero-stats{gap:24px;}
  .hero-stat b{font-size:22px;}
  .big-card{flex-direction:column;}
  .big-card-media{flex:none;height:196px;}
  .big-card-body{padding:20px 20px 22px;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:24px;padding:32px 24px;}
  .cta-actions{width:100%;}
  .rel-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-panel{padding:26px 22px;}
  .rail-card{flex:0 0 264px;}
  .section-note{max-width:100%;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{font-size:10px;letter-spacing:1px;}
  .steps{grid-template-columns:1fr;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a-inner{margin:0 18px 18px;padding-left:14px;}
  .lead-block{padding:20px 20px;border-left-width:3px;}
  .btn{height:44px;padding:0 18px;font-size:14.5px;}
  .form-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .rail{padding:6px 16px 22px;}
}