/* roulang page: index */
:root{
  --c-ink:#14201C;
  --c-ink-soft:#3B4642;
  --c-primary:#14453A;
  --c-primary-deep:#0B2C25;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C05F2C;
  --c-accent-soft:#FBEDE3;
  --c-leaf:#6E9C8B;
  --c-bg:#F8F5EF;
  --c-surface:#FFFFFF;
  --c-line:#DDD8CD;
  --c-muted:#6E7671;
  --radius-card:14px;
  --radius-block:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,32,28,.04),0 12px 28px -18px rgba(20,32,28,.16);
  --shadow-2:0 18px 40px -22px rgba(20,32,28,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --nav-h:64px;
  --bs-link-color:var(--c-primary);
  --bs-link-hover-color:var(--c-accent);
  --bs-body-font-family:var(--font-cn);
  --bs-body-color:var(--c-ink);
  --bs-body-bg:var(--c-bg);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font-family:inherit;font-size:inherit;letter-spacing:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1240px}}
@media (max-width:991px){.wrap{padding:0 20px}}
@media (max-width:575px){.wrap{padding:0 16px}}

/* ---------- 通用排版 ---------- */
.h1{font-size:clamp(2rem,1.4rem + 2.2vw,3rem);line-height:1.28;font-weight:700;letter-spacing:.01em}
.h2{font-size:clamp(1.5rem,1.2rem + 1.1vw,2rem);line-height:1.35;font-weight:700}
.h3{font-size:20px;line-height:1.45;font-weight:600}
.lead{font-size:17px;line-height:1.8;color:var(--c-ink-soft)}
.small{font-size:14px;line-height:1.7;color:var(--c-muted)}
.num{font-variant-numeric:tabular-nums}
.section{padding:88px 0}
.section--surface{background:var(--c-surface)}
.section--soft{background:var(--c-primary-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head p{max-width:640px;margin-top:10px;color:var(--c-ink-soft)}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);border:1px solid var(--c-line);border-radius:6px;padding:5px 10px;margin-bottom:16px;background:var(--c-surface)
}
.section-eyebrow i{color:var(--c-leaf)}
@media (max-width:991px){
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
}
@media (max-width:575px){
  .section{padding:48px 0}
}

/* ---------- 按钮 ---------- */
.btn{font-weight:600;border-radius:var(--radius-btn);border-width:1px;transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.btn-main{
  background:var(--c-accent);border-color:var(--c-accent);color:#fff;
  padding:12px 26px;box-shadow:var(--shadow-1)
}
.btn-main:hover,.btn-main:focus{background:#A94F22;border-color:#A94F22;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-main:active{transform:translateY(0);box-shadow:none;background:#9C481E;border-color:#9C481E;color:#fff}
.btn-second{
  background:transparent;border:1px solid var(--c-primary);color:var(--c-primary);
  padding:12px 26px
}
.btn-second:hover,.btn-second:focus{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-1px)}
.btn-second:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.7);color:#fff;padding:12px 26px
}
.btn-ghost:hover,.btn-ghost:focus{background:#fff;color:var(--c-primary-deep);border-color:#fff}
.btn-nav{
  background:var(--c-primary);border:1px solid var(--c-primary);color:#fff;padding:9px 18px;font-size:15px
}
.btn-nav:hover,.btn-nav:focus{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#fff}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px
}
.btn-text i{transition:transform .2s ease}
.btn-text:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.btn-text:hover i{transform:translateX(3px)}
.btn-sm{padding:10px 20px;font-size:15px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(248,245,239,.94);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,box-shadow .2s ease,border-color .2s ease
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--c-line);box-shadow:0 1px 2px rgba(20,32,28,.04),0 12px 28px -18px rgba(20,32,28,.16)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--c-primary-deep);letter-spacing:.02em}
.brand:hover{color:var(--c-primary-deep)}
.brand-mark{width:28px;height:28px;flex:0 0 28px;border:1.5px solid var(--c-primary);border-radius:8px;position:relative}
.brand-mark::before{content:"";position:absolute;inset:6px;border-top:1.5px solid var(--c-leaf);border-bottom:1.5px solid var(--c-leaf)}
.brand-mark::after{content:"";position:absolute;left:50%;top:3px;bottom:3px;width:1.5px;background:var(--c-accent);transform:translateX(-50%)}
.nav-left{display:flex;align-items:center;gap:40px;min-width:0}
.nav-channels{display:flex;align-items:center;gap:28px}
.channel a{position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--c-ink-soft);padding:6px 0}
.channel a:hover{color:var(--c-primary)}
.channel a.active{color:var(--c-primary)}
.channel a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-accent);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-search{display:flex;align-items:center;gap:8px}
.nav-search-input{
  width:0;opacity:0;padding:0;border:1px solid var(--c-line);background:#fff;border-radius:var(--radius-btn);
  height:38px;transition:width .2s ease,opacity .2s ease,padding .2s ease
}
.nav-search.is-open .nav-search-input{width:220px;opacity:1;padding:8px 12px}
.nav-search-input:focus{border-color:var(--c-primary);outline:none;box-shadow:0 0 0 3px rgba(20,69,58,.12)}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:var(--radius-btn);background:transparent;color:var(--c-ink-soft);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary-soft)}
.nav-link-plain{font-size:15px;font-weight:500;color:var(--c-ink-soft);padding:8px 4px}
.nav-link-plain:hover{color:var(--c-primary)}
.nav-burger{display:none}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .2s ease;display:flex;flex-direction:column;
  padding:24px 20px calc(24px + env(safe-area-inset-bottom));border-left:1px solid var(--c-line)
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.nav-drawer .drawer-channel{display:block;padding:14px 0;font-size:16px;font-weight:500;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.nav-drawer .drawer-channel.active{color:var(--c-accent)}
.nav-drawer-foot{margin-top:auto;display:grid;gap:12px}
.nav-mask{position:fixed;inset:0;background:rgba(20,32,28,.4);opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:1050}
.nav-mask.is-open{opacity:1;visibility:visible}
@media (max-width:991px){
  :root{--nav-h:56px}
  .nav-channels,.nav-search,.nav-link-plain{display:none}
  .nav-burger{display:inline-flex}
  .nav-left{gap:16px}
}

/* ---------- Hero ---------- */
.hero{padding:56px 0 88px;background:var(--c-bg)}
.hero-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:48px;align-items:center}
.hero-sub{font-size:19px;font-weight:600;color:var(--c-primary);margin-top:18px;line-height:1.6}
.hero-desc{margin-top:18px;max-width:560px;color:var(--c-ink-soft);line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:20px;font-size:14px;color:var(--c-muted);display:flex;align-items:center;gap:8px}
.hero-note i{color:var(--c-leaf)}
.hero-visual{position:relative;border-radius:var(--radius-block);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-1);background:var(--c-surface)}
.hero-visual img{width:100%;height:440px;object-fit:cover}
.hero-badge-card{
  position:absolute;top:20px;left:20px;background:rgba(248,245,239,.93);border:1px solid var(--c-line);
  border-radius:var(--radius-card);padding:16px 18px;box-shadow:var(--shadow-1);max-width:230px
}
.hero-badge-card strong{display:block;font-size:13px;letter-spacing:.08em;color:var(--c-primary);margin-bottom:10px}
.hero-badge-card li{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--c-ink);line-height:2}
.hero-badge-card li i{color:var(--c-leaf);font-size:12px}
@media (max-width:1199px){
  .hero{padding:48px 0 72px}
  .hero-grid{gap:32px}
  .hero-visual img{height:400px}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual img{height:340px}
}
@media (max-width:575px){
  .hero{padding:40px 0 56px}
  .hero-sub{font-size:17px}
  .hero-visual img{height:240px}
  .hero-badge-card{top:12px;left:12px;padding:12px 14px;max-width:190px}
  .hero-badge-card li{font-size:13px;line-height:1.9}
  .hero-actions .btn{width:100%;justify-content:center;min-height:44px}
}

/* ---------- 信任条 ---------- */
.trust{background:var(--c-primary-soft);padding:36px 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:center}
.trust-item{text-align:left;padding-left:16px;border-left:2px solid rgba(110,156,139,.5)}
.trust-num{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.2}
.trust-num span{font-size:15px;font-weight:600;margin-left:4px}
.trust-label{font-size:12px;letter-spacing:.06em;color:var(--c-muted);margin-top:6px}
@media (max-width:991px){
  .trust{padding:24px 0}
  .trust-grid{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
  .trust-item{min-width:190px;scroll-snap-align:start}
}
@media (max-width:575px){
  .trust-num{font-size:24px}
}

/* ---------- 对比表 ---------- */
.compare-shell{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-block);padding:10px;box-shadow:var(--shadow-1)}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-table{min-width:760px;font-size:15px}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--c-line);vertical-align:middle}
.compare-table thead th{font-size:15px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody th{font-weight:600;color:var(--c-ink);width:22%}
.compare-table td{color:var(--c-ink-soft)}
.compare-table .col-reco{background:var(--c-accent-soft);border-left:1px solid rgba(192,95,44,.4);border-right:1px solid rgba(192,95,44,.4)}
.compare-table thead .col-reco{position:relative;color:var(--c-primary-deep)}
.reco-tag{
  display:inline-block;background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;
  border-radius:999px;padding:3px 10px;margin-left:8px;vertical-align:middle
}
.tick{color:var(--c-leaf);font-size:15px}
.cross{color:var(--c-muted);font-size:15px}
.scroll-hint{display:none;font-size:13px;color:var(--c-muted);margin-top:10px}
.compare-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:28px}
.compare-foot p{color:var(--c-ink-soft);font-size:15px;max-width:640px}
@media (max-width:991px){
  .scroll-hint{display:block}
  .compare-shell{padding:6px}
}
@media (max-width:575px){
  .compare-table{min-width:680px;font-size:14px}
  .compare-table th,.compare-table td{padding:13px 14px}
}

/* ---------- 等级亮点 ---------- */
.level-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:44px 0;border-top:1px solid var(--c-line)}
.level-row:first-of-type{border-top:0;padding-top:8px}
.level-row.reverse .level-text{order:2}
.level-row.reverse .level-media{order:1}
.level-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-1);background:var(--c-surface)}
.level-media img{width:100%;height:320px;object-fit:cover;transition:transform .2s ease}
.level-media:hover img{transform:scale(1.03)}
.level-name{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.level-index{
  display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:30px;
  border:1px solid var(--c-line);border-radius:6px;font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.06em
}
.level-tag{background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:600;border-radius:999px;padding:4px 10px}
.level-desc{color:var(--c-ink-soft);margin-top:8px}
.level-points{margin-top:20px;display:grid;gap:10px}
.level-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-ink-soft);line-height:1.7}
.level-points i{color:var(--c-leaf);margin-top:6px;font-size:13px}
.level-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:24px;padding-top:20px;border-top:1px solid var(--c-line)}
.level-meta div{font-size:14px;color:var(--c-muted)}
.level-meta strong{display:block;font-size:19px;color:var(--c-primary);font-weight:700;margin-top:2px}
@media (max-width:991px){
  .level-row{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .level-row.reverse .level-text,.level-row.reverse .level-media{order:initial}
  .level-media img{height:240px}
}
@media (max-width:575px){
  .level-media img{height:200px}
}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:stretch}
.preview-main{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.preview-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(20,69,58,.25)}
.preview-main img{width:100%;height:280px;object-fit:cover}
.preview-main-body{padding:24px 26px 28px}
.preview-main-body h3{margin:12px 0 10px}
.preview-list{display:grid;gap:16px;align-content:start}
.preview-item{
  display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:center;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--radius-card);padding:12px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease
}
.preview-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(20,69,58,.25)}
.preview-thumb{border-radius:10px;overflow:hidden;height:76px}
.preview-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
.preview-item:hover .preview-thumb img{transform:scale(1.03)}
.preview-item h4{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:6px}
@media (max-width:991px){
  .preview-grid{grid-template-columns:1fr}
  .preview-main img{height:230px}
}
@media (max-width:575px){
  .preview-item{grid-template-columns:84px 1fr;gap:12px}
  .preview-thumb{height:64px}
}

/* ---------- 徽章与标签 ---------- */
.badge-cat{display:inline-block;background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;border-radius:999px;padding:4px 10px;font-weight:600}
.badge-hot{display:inline-block;background:var(--c-accent-soft);color:var(--c-accent);font-size:12px;border-radius:999px;padding:4px 10px;font-weight:600}

/* ---------- 内容卡（CMS 列表） ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(20,69,58,.25)}
.post-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--c-primary-soft)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);margin-bottom:12px}
.post-meta i{font-size:12px;color:var(--c-leaf)}
.post-body h3{
  font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.post-body p{
  font-size:15px;color:var(--c-ink-soft);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.post-link{margin-top:auto;padding-top:16px;display:flex;justify-content:flex-end}
@media (max-width:991px){
  .post-grid{grid-template-columns:repeat(2,1fr);gap:16px}
}
@media (max-width:575px){
  .post-grid{grid-template-columns:1fr;gap:12px}
}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--radius-card);background:var(--c-surface);
  padding:56px 24px;text-align:center;display:grid;justify-items:center;gap:12px
}
.empty-state i{font-size:26px;color:var(--c-leaf)}
.empty-state p{color:var(--c-muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);border-radius:0}
.faq .accordion-item:first-of-type{border-top:1px solid var(--c-line)}
.faq .accordion-button{
  position:relative;background:transparent;border:0;border-radius:0;box-shadow:none;
  font-size:16px;font-weight:600;color:var(--c-ink);padding:20px 48px 20px 0;line-height:1.6
}
.faq .accordion-button::after{display:none}
.faq .accordion-button::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--c-primary);line-height:1;transition:transform .2s ease
}
.faq .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none}
.faq .accordion-button:not(.collapsed)::before{content:"−"}
.faq .accordion-button:focus{box-shadow:none;border-color:var(--c-line)}
.faq .accordion-button:hover{color:var(--c-accent)}
.faq .accordion-body{padding:0 48px 22px 0;color:var(--c-ink-soft);font-size:15px;line-height:1.9}

/* ---------- CTA 深底区块 ---------- */
.cta-band{
  background:var(--c-primary-deep);color:#F1EEE7;border-radius:var(--radius-block);
  padding:56px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center
}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(241,238,231,.8);margin-top:14px;max-width:620px}
.cta-band-actions{display:flex;justify-content:flex-end}
.cta-band-foot{margin-top:20px;font-size:13px;color:rgba(241,238,231,.6);grid-column:1/-1;padding-top:20px;border-top:1px solid rgba(255,255,255,.14)}
@media (max-width:991px){
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:24px}
  .cta-band-actions{justify-content:flex-start}
}
@media (max-width:575px){
  .cta-band{padding:32px 20px}
  .cta-band-actions .btn{width:100%;justify-content:center;min-height:44px}
}

/* ---------- 表单 ---------- */
.form-panel{background:var(--c-primary-soft);border-radius:var(--radius-block);padding:48px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field{display:grid;gap:8px}
.form-field label{font-size:14px;font-weight:500;color:var(--c-ink)}
.form-control-c{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-btn);
  padding:12px 14px;font-size:15px;color:var(--c-ink);width:100%;transition:border-color .2s ease,box-shadow .2s ease
}
.form-control-c:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,69,58,.12)}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px}
.form-hint{font-size:13px;color:var(--c-muted)}
@media (max-width:767px){
  .form-panel{padding:28px 20px}
  .form-grid{grid-template-columns:1fr}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#E5E2DA;padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff}
.footer-brand .brand-mark{border-color:rgba(255,255,255,.7)}
.footer-brand .brand-mark::before{border-color:var(--c-leaf)}
.site-footer p{color:rgba(229,226,218,.72);font-size:14px;line-height:1.9;margin-top:14px}
.footer-title{font-size:15px;font-weight:600;color:#fff;letter-spacing:.06em;margin-bottom:14px}
.footer-links li{line-height:2}
.footer-links a{font-size:14px;color:rgba(229,226,218,.78)}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(229,226,218,.62)
}
@media (max-width:991px){
  .site-footer{padding:44px 0 0;margin-top:64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --c-ink:#14201C;--c-ink-soft:#3B4642;
  --c-primary:#14453A;--c-primary-deep:#0B2C25;--c-primary-soft:#E4EDE8;
  --c-accent:#C05F2C;--c-accent-soft:#FBEDE3;
  --c-leaf:#6E9C8B;
  --c-bg:#F8F5EF;--c-surface:#FFFFFF;
  --c-line:#DDD8CD;--c-muted:#6E7671;
  --r-card:14px;--r-zone:20px;--r-btn:10px;
  --sh-1:0 1px 2px rgba(20,32,28,.04),0 12px 28px -18px rgba(20,32,28,.16);
  --sh-2:0 18px 40px -22px rgba(20,32,28,.22);
  --wrap:1200px;
  --bs-link-color:#14453A;--bs-link-hover-color:#0B2C25;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:.01em;}
p{margin:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-deep);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1240px;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;height:64px;
  background:rgba(248,245,239,.86);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  backdrop-filter:saturate(160%) blur(8px);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--c-line);box-shadow:0 1px 2px rgba(20,32,28,.04),0 10px 24px -20px rgba(20,32,28,.28);}
.nav-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.nav-left{display:flex;align-items:center;gap:40px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--c-ink);white-space:nowrap;}
.brand:hover{color:var(--c-primary);}
.brand-mark{position:relative;width:20px;height:20px;border:1.6px solid var(--c-primary);border-radius:5px;display:inline-block;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;inset:4px;border:1.6px solid var(--c-leaf);border-radius:2px;}
.nav-channels{display:flex;align-items:center;gap:28px;}
.channel a{position:relative;display:inline-block;padding:6px 0;font-size:14.5px;font-weight:500;color:var(--c-ink-soft);}
.channel a:hover{color:var(--c-primary);}
.channel a.active{color:var(--c-primary);}
.channel a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-accent);border-radius:2px;}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{display:flex;align-items:center;gap:6px;}
.nav-search-input{
  width:0;padding:0;border:0;opacity:0;background:#fff;border-radius:var(--r-btn);
  font-size:14px;color:var(--c-ink);transition:width .22s ease,padding .22s ease,opacity .22s ease,border-color .22s ease;
}
.nav-search.is-open .nav-search-input{width:220px;padding:9px 13px;opacity:1;border:1px solid var(--c-line);}
.nav-search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,69,58,.12);}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;border-radius:var(--r-btn);background:transparent;color:var(--c-ink-soft);
  font-size:15px;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.icon-btn:active{transform:translateY(1px);}
.nav-link-plain{font-size:14.5px;font-weight:500;color:var(--c-ink-soft);}
.nav-link-plain:hover{color:var(--c-primary);}
.nav-burger{display:none;}
@media (max-width:1199px){.nav-channels{gap:20px;}.nav-left{gap:28px;}}
@media (max-width:991px){
  .nav-channels,.nav-link-plain,.nav-search{display:none;}
  .nav-burger{display:inline-flex;}
  .site-header{height:56px;}
  .nav-inner{height:56px;}
}
.drawer-mask{position:fixed;inset:0;background:rgba(20,32,28,.42);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:1040;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;z-index:1050;width:300px;max-width:86vw;height:100%;
  background:#fff;border-left:1px solid var(--c-line);padding:20px 20px 32px;
  transform:translateX(102%);transition:transform .22s ease;display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--c-line);}
.drawer-nav{display:flex;flex-direction:column;padding:12px 0;flex:1 1 auto;}
.drawer-nav a{padding:14px 4px;font-size:16px;font-weight:500;color:var(--c-ink-soft);border-bottom:1px solid var(--c-line);}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--c-primary);}
.drawer-foot{padding-top:18px;padding-bottom:env(safe-area-inset-bottom);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:#A9501F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff;}
.btn-text{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:0;color:var(--c-primary);font-size:14.5px;font-weight:600;}
.btn-text:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px;}
.btn-nav{background:var(--c-accent);color:#fff;padding:10px 20px;font-size:14.5px;border-radius:var(--r-btn);}
.btn-nav:hover{background:#A9501F;color:#fff;transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ============ 文章头部 ============ */
.page-intro{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:48px 0 40px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:20px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#B9B3A6;}
.crumb .current{color:var(--c-ink-soft);}
.article-title{font-size:clamp(2rem,1.4rem + 2.2vw,3rem);line-height:1.28;font-weight:700;max-width:900px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:13.5px;color:var(--c-muted);}
.meta-row .divider{width:1px;height:14px;background:var(--c-line);}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.lede{margin-top:20px;font-size:17px;line-height:1.85;color:var(--c-ink-soft);max-width:760px;}

/* ============ 文章主体 ============ */
.article-section{padding:64px 0 88px;}
.article-grid{display:grid;grid-template-columns:minmax(0,760px) minmax(0,1fr);gap:56px;align-items:start;}
.article-main{min-width:0;}
.prose{font-size:17px;line-height:1.95;color:var(--c-ink);}
.prose > * + *{margin-top:1.1em;}
.prose p{margin:0;line-height:1.95;}
.prose h2{
  font-size:clamp(1.5rem,1.2rem + 1.1vw,2rem);line-height:1.35;font-weight:700;
  margin-top:1.6em;padding-left:14px;border-left:3px solid var(--c-accent);
}
.prose h3{font-size:20px;line-height:1.45;font-weight:600;margin-top:1.5em;}
.prose h2 + p,.prose h3 + p{margin-top:.6em;}
.prose ul,.prose ol{padding-left:1.3em;line-height:1.9;}
.prose ul li{list-style:disc;}
.prose ol li{list-style:decimal;}
.prose li{margin:.35em 0;}
.prose li::marker{color:var(--c-leaf);}
.prose blockquote{
  margin:1.4em 0;padding:16px 22px;background:var(--c-primary-soft);
  border-left:3px solid var(--c-primary);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--c-ink-soft);font-size:16.5px;
}
.prose img{margin:1.6em auto;border-radius:var(--r-card);width:100%;height:auto;object-fit:cover;}
.prose figure{margin:1.6em 0;}
.prose figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--c-muted);}
.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;font-variant-numeric:tabular-nums;}
.prose th,.prose td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;line-height:1.7;}
.prose th{background:var(--c-primary-soft);font-weight:600;color:var(--c-primary);}
.prose code{background:var(--c-primary-soft);color:var(--c-primary-deep);padding:2px 6px;border-radius:6px;font-size:15px;}
.prose pre{background:var(--c-primary-deep);color:#F4F1E9;padding:18px 20px;border-radius:var(--r-card);overflow-x:auto;font-size:14.5px;line-height:1.75;}
.prose pre code{background:none;color:inherit;padding:0;}
.prose hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}
.prose a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-zone);background:#fff;
  padding:56px 28px;text-align:center;color:var(--c-ink-soft);
}
.empty-state .empty-icon{font-size:26px;color:var(--c-leaf);margin-bottom:14px;}
.empty-state p{margin-bottom:18px;}

.inline-cta{
  margin:44px 0 0;padding:26px 28px;background:var(--c-primary-soft);
  border-radius:var(--r-zone);border:1px solid #D3E0D9;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.inline-cta h3{font-size:18px;font-weight:600;}
.inline-cta p{font-size:14.5px;color:var(--c-ink-soft);margin-top:6px;flex:1 1 320px;}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:88px;display:grid;gap:24px;min-width:0;}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 22px 18px;box-shadow:var(--sh-1);}
.side-card h3{font-size:15px;font-weight:600;letter-spacing:.04em;color:var(--c-primary);padding-bottom:12px;border-bottom:1px solid var(--c-line);margin-bottom:14px;}
.toc-list{display:grid;gap:10px;}
.toc-list a{font-size:14.5px;color:var(--c-ink-soft);display:flex;gap:10px;align-items:flex-start;line-height:1.6;}
.toc-list a::before{content:"";width:6px;height:6px;margin-top:9px;border-radius:2px;background:var(--c-leaf);flex:0 0 auto;}
.toc-list a:hover{color:var(--c-primary);}
.hot-list{display:grid;gap:16px;}
.hot-item{display:flex;gap:12px;align-items:flex-start;}
.hot-item img{width:64px;height:48px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.hot-item h4{font-size:14.5px;font-weight:600;line-height:1.5;}
.hot-item h4 a{color:var(--c-ink);}
.hot-item h4 a:hover{color:var(--c-primary);}
.hot-item span{display:block;font-size:12.5px;color:var(--c-muted);margin-top:4px;}
.side-cta{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#F1EDE3;}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.2);}
.side-cta p{font-size:14px;color:rgba(241,237,227,.82);line-height:1.8;}
.side-cta .btn{margin-top:16px;width:100%;}

/* ============ 延伸阅读 ============ */
.related{background:var(--c-bg);border-top:1px solid var(--c-line);padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.5rem,1.2rem + 1.1vw,2rem);line-height:1.35;}
.serial{
  display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--c-line);
  color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.08em;
  padding:3px 9px;border-radius:6px;margin-right:10px;font-variant-numeric:tabular-nums;
}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,69,58,.25);}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-muted);font-variant-numeric:tabular-nums;}
.post-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{color:var(--c-ink);}
.post-body h3 a:hover{color:var(--c-primary);}
.post-excerpt{font-size:14px;line-height:1.8;color:var(--c-ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{margin-top:auto;display:flex;justify-content:flex-end;}

/* ============ 深色 CTA ============ */
.cta-band{background:var(--c-primary-deep);color:#F1EDE3;padding:80px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,1.2rem + 1.1vw,2rem);line-height:1.35;}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(241,237,227,.82);max-width:640px;}
.cta-note{margin-top:26px;font-size:13px;color:rgba(241,237,227,.62);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:#EDEAE1;padding:72px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .brand-mark{border-color:rgba(255,255,255,.75);}
.footer-brand .brand-mark::after{border-color:var(--c-leaf);}
.site-footer p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(237,234,225,.72);max-width:360px;}
.footer-title{font-size:15px;font-weight:600;letter-spacing:.06em;color:#fff;margin-bottom:16px;}
.footer-links li{line-height:2;}
.footer-links a{font-size:14px;color:rgba(237,234,225,.76);}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,234,225,.6);
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-links li{line-height:1.9;}
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:1020;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-primary);box-shadow:var(--sh-1);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease,box-shadow .2s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{box-shadow:var(--sh-2);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-grid{gap:40px;grid-template-columns:minmax(0,1fr) 300px;}
}
@media (max-width:991px){
  .article-section{padding:48px 0 64px;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{position:static;}
  .page-intro{padding:36px 0 32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .related{padding:56px 0;}
  .cta-band{padding:64px 0;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
  .inline-cta{padding:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:12px;}
  .prose{font-size:16.5px;line-height:1.9;}
  .meta-row{gap:10px;}
  .related,.cta-band{padding:48px 0;}
  .to-top{right:14px;bottom:18px;}
}

/* roulang page: category1 */
:root{
  --c-ink:#14201C;
  --c-ink-soft:#3B4642;
  --c-primary:#14453A;
  --c-primary-deep:#0B2C25;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C05F2C;
  --c-accent-soft:#FBEDE3;
  --c-leaf:#6E9C8B;
  --c-bg:#F8F5EF;
  --c-surface:#FFFFFF;
  --c-line:#DDD8CD;
  --c-muted:#6E7671;

  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;

  --sh-1:0 1px 2px rgba(20,32,28,.04),0 12px 28px -18px rgba(20,32,28,.16);
  --sh-2:0 18px 40px -22px rgba(20,32,28,.22);

  --bs-link-color:var(--c-primary);
  --bs-link-hover-color:var(--c-accent);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-body-color:var(--c-ink);
  --bs-body-bg:var(--c-bg);
  --bs-border-color:var(--c-line);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

h1{font-size:clamp(2rem,1.4rem + 2.2vw,3rem);line-height:1.28;font-weight:700;letter-spacing:.01em;}
h2{font-size:clamp(1.5rem,1.2rem + 1.1vw,2rem);line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{color:var(--c-ink-soft);}
.lede{font-size:17px;line-height:1.95;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(248,245,239,.88);
  backdrop-filter:blur(8px);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px;}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-primary);white-space:nowrap;}
.brand-mark{
  width:22px;height:22px;border:1.5px solid var(--c-primary);border-radius:6px;
  position:relative;flex:none;
}
.brand-mark::before{content:"";position:absolute;left:5px;top:5px;width:10px;height:10px;border-top:1.5px solid var(--c-accent);border-right:1.5px solid var(--c-accent);}
.brand-mark::after{content:"";position:absolute;left:5px;bottom:5px;width:6px;height:1.5px;background:var(--c-leaf);}
.nav-channels{display:flex;align-items:center;gap:28px;}
.channel a{
  display:inline-block;padding:20px 0;font-size:15px;font-weight:500;color:var(--c-ink-soft);
  border-bottom:2px solid transparent;line-height:1.2;
}
.channel a:hover{color:var(--c-primary);}
.channel a.active{color:var(--c-primary);border-bottom-color:var(--c-accent);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:16px;}
.nav-search{display:flex;align-items:center;gap:8px;}
.nav-search-input{
  width:0;opacity:0;padding:8px 12px;font-size:14px;color:var(--c-ink);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-btn);
  transition:width .2s ease,opacity .2s ease;
}
.nav-search.open .nav-search-input{width:220px;opacity:1;}
.nav-search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,69,58,.12);}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;border-radius:var(--r-btn);
  color:var(--c-primary);font-size:15px;cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);border-color:var(--c-line);}
.nav-link-plain{font-size:14px;font-weight:500;color:var(--c-ink-soft);}
.nav-link-plain:hover{color:var(--c-primary);}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 22px;
  background:var(--c-accent);color:#fff;font-size:14px;font-weight:600;
  border-radius:var(--r-btn);border:1px solid var(--c-accent);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-nav:hover{background:#A94F22;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-nav:active{transform:translateY(0);box-shadow:none;}
.nav-burger{display:none;}

/* mobile drawer */
.mobile-panel{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:1080;
  background:#fff;border-left:1px solid var(--c-line);
  padding:20px 20px 32px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .22s ease;
}
.mobile-panel.open{transform:translateX(0);}
.mobile-panel .panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.mobile-panel .panel-title{font-size:15px;font-weight:600;color:var(--c-primary);}
.mobile-panel .panel-nav a{display:block;padding:14px 4px;font-size:16px;font-weight:500;color:var(--c-ink-soft);border-bottom:1px solid var(--c-line);}
.mobile-panel .panel-nav a.active{color:var(--c-primary);font-weight:600;border-bottom-color:var(--c-accent);}
.mobile-panel .panel-search{margin-top:18px;}
.mobile-panel .panel-search input{width:100%;padding:12px 14px;font-size:15px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;}
.mobile-panel .panel-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,69,58,.12);}
.mobile-panel .panel-cta{margin-top:auto;}
.panel-mask{position:fixed;inset:0;background:rgba(11,44,37,.34);z-index:1070;opacity:0;pointer-events:none;transition:opacity .2s ease;}
.panel-mask.open{opacity:1;pointer-events:auto;}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;font-size:15px;font-weight:600;color:#fff;background:var(--c-accent);
  border:1px solid var(--c-accent);border-radius:var(--r-btn);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:#A94F22;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;font-size:15px;font-weight:600;color:var(--c-primary);background:transparent;
  border:1px solid var(--c-primary);border-radius:var(--r-btn);
  transition:background .2s ease,color .2s ease;
}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;font-size:15px;font-weight:600;color:#fff;background:transparent;
  border:1px solid rgba(255,255,255,.6);border-radius:var(--r-btn);
  transition:background .2s ease,color .2s ease;
}
.btn-ghost:hover{background:#fff;color:var(--c-primary-deep);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.btn-text:hover i{transform:translateX(3px);}

/* ---------- badges & tags ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:600;
  color:var(--c-primary);background:var(--c-primary-soft);border-radius:999px;letter-spacing:.04em;
}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:600;
  color:var(--c-accent);background:var(--c-accent-soft);border-radius:999px;
}
.num-tag{
  display:inline-flex;align-items:center;gap:8px;padding:4px 10px;margin-bottom:16px;
  border:1px solid var(--c-line);border-radius:8px;font-size:12px;font-weight:600;
  color:var(--c-primary);letter-spacing:.08em;background:#fff;
}
.num-tag span{color:var(--c-leaf);}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section--white{background:var(--c-surface);}
.section--soft{background:var(--c-primary-soft);}
.section--paper{background:var(--c-bg);}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16px;line-height:1.9;}

/* ---------- page head / hero ---------- */
.page-head{padding:56px 0 72px;background:var(--c-bg);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:28px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-line);}
.crumb .current{color:var(--c-ink-soft);}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;}
.hero-media{position:relative;border-radius:var(--r-block);overflow:hidden;border:1px solid var(--c-line);background:#fff;}
.hero-media img{width:100%;height:100%;min-height:340px;object-fit:cover;}
.hero-media .media-tag{
  position:absolute;left:16px;top:16px;padding:8px 12px;border-radius:10px;
  background:rgba(248,245,239,.92);font-size:13px;font-weight:600;color:var(--c-primary);
  border:1px solid rgba(20,69,58,.12);
}
.hero-copy h1{margin:18px 0 18px;}
.hero-copy .lede{max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;font-size:14px;color:var(--c-ink-soft);
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
}
.hero-points i{color:var(--c-leaf);font-size:12px;}

/* ---------- info strip ---------- */
.strip{background:var(--c-primary-soft);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:32px 0;}
.strip-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.strip-item{display:flex;align-items:baseline;gap:12px;}
.strip-num{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.1;letter-spacing:0;}
.strip-label{font-size:13px;color:var(--c-ink-soft);line-height:1.6;}

/* ---------- split blocks ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split .fig{border-radius:var(--r-block);overflow:hidden;border:1px solid var(--c-line);background:#fff;}
.split .fig img{width:100%;height:380px;object-fit:cover;}
.split h2{margin-bottom:16px;}
.split p{margin-bottom:14px;}
.mini-list{margin-top:22px;display:grid;gap:12px;}
.mini-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-ink-soft);line-height:1.75;}
.mini-list i{color:var(--c-leaf);margin-top:6px;font-size:12px;}
.mini-list strong{color:var(--c-ink);font-weight:600;}

/* ---------- check list block ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:12px;}
.check-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,69,58,.25);}
.check-card h3{margin-bottom:10px;font-size:18px;}
.check-card p{font-size:15px;line-height:1.85;}
.check-icon{
  width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:15px;margin-bottom:16px;
}
.check-icon i{color:var(--c-leaf);}

/* ---------- table ---------- */
.table-shell{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-block);padding:8px;box-shadow:var(--sh-1);}
.table-scroll{overflow-x:auto;border-radius:14px;}
.table-note{font-size:13px;color:var(--c-muted);padding:16px 20px 12px;}
table.rt{width:100%;min-width:720px;border-collapse:collapse;font-size:15px;}
table.rt th,table.rt td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--c-line);vertical-align:top;}
table.rt thead th{font-size:14px;font-weight:600;color:var(--c-primary);background:var(--c-bg);letter-spacing:.02em;}
table.rt tbody tr:last-child td{border-bottom:none;}
table.rt td:first-child{font-weight:600;color:var(--c-ink);}
table.rt tbody tr:hover{background:#FBF9F5;}
.tick{color:var(--c-leaf);margin-right:8px;}

/* ---------- category links ---------- */
.cat-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px;}
.cat-link{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cat-link:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,69,58,.25);}
.cat-link h3{font-size:18px;margin-bottom:10px;color:var(--c-primary);}
.cat-link.current{border-left:3px solid var(--c-accent);}
.cat-link.current h3{border-bottom:2px solid var(--c-accent);display:inline-block;padding-bottom:2px;}
.cat-link p{font-size:15px;line-height:1.85;color:var(--c-ink-soft);}

/* ---------- faq ---------- */
.faq{--bs-accordion-border-width:0;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:transparent;--bs-accordion-active-color:var(--c-primary);}
.faq .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--c-line);}
.faq .accordion-item:first-child{border-top:1px solid var(--c-line);}
.faq .accordion-header{margin:0;}
.faq .accordion-button{
  background:transparent;color:var(--c-ink);font-size:16px;font-weight:600;line-height:1.6;
  padding:22px 0;border-radius:0 !important;display:flex;align-items:center;gap:16px;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){color:var(--c-primary);}
.faq .accordion-button::after{display:none;}
.faq .accordion-button::before{
  content:"+";margin-left:auto;order:2;flex:none;
  width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:400;color:var(--c-primary);
  border:1px solid var(--c-line);border-radius:8px;background:#fff;transition:background .2s ease;
}
.faq .accordion-button:not(.collapsed)::before{content:"−";background:var(--c-primary-soft);}
.faq .accordion-body{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--c-ink-soft);max-width:860px;}

/* ---------- cta ---------- */
.cta-block{background:var(--c-primary-deep);color:#fff;border-radius:0;}
.cta-inner{padding:80px 0;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;}
.cta-inner h2{color:#fff;margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.9;max-width:640px;}
.cta-foot{margin-top:18px;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:#EDE8DE;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{border-color:rgba(255,255,255,.7);}
.site-footer p{color:rgba(237,232,222,.72);font-size:14px;line-height:1.9;max-width:360px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;letter-spacing:.06em;margin-bottom:14px;}
.footer-links li a{font-size:14px;line-height:2;color:rgba(237,232,222,.75);}
.footer-links li a:hover{color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(237,232,222,.16);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(237,232,222,.6);
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;z-index:1050;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;border:1px solid var(--c-primary);border-radius:12px;
  opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;box-shadow:var(--sh-1);
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{background:var(--c-primary-deep);transform:translateY(-2px);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .wrap{max-width:960px;}
  .hero-grid{gap:40px;}
  .split{gap:40px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .page-head{padding:40px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media img{min-height:280px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split .fig img{height:300px;}
  .cat-links{grid-template-columns:1fr 1fr;}
  .check-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .nav-channels,.nav-link-plain{display:none;}
  .nav-burger{display:inline-flex;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .strip-row{grid-template-columns:1fr 1fr;gap:20px;}
  .cat-links{grid-template-columns:1fr;}
  .split .fig img{height:240px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .section{padding:48px 0;}
  body{font-size:15.5px;}
  h3{font-size:18px;}
  .nav-inner{height:56px;}
  .nav-search{display:none;}
  .btn-nav{height:38px;padding:0 16px;font-size:13px;}
  .hero-actions .btn-main,.hero-actions .btn-outline{width:100%;}
  .strip-row{grid-template-columns:1fr;}
  .strip-item{gap:10px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:16px;bottom:18px;}
}

/* roulang page: category2 */
:root{
  --c-ink:#14201C;
  --c-ink-soft:#3B4642;
  --c-primary:#14453A;
  --c-primary-deep:#0B2C25;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C05F2C;
  --c-accent-deep:#A54E22;
  --c-accent-soft:#FBEDE3;
  --c-leaf:#6E9C8B;
  --c-bg:#F8F5EF;
  --c-surface:#FFFFFF;
  --c-line:#DDD8CD;
  --c-muted:#6E7671;
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --sd-1:0 1px 2px rgba(20,32,28,.04), 0 12px 28px -18px rgba(20,32,28,.16);
  --sd-2:0 18px 40px -22px rgba(20,32,28,.22);
  --nav-h:64px;
}
:root,[data-bs-theme=light]{
  --bs-body-bg:var(--c-bg);
  --bs-body-color:var(--c-ink);
  --bs-link-color:var(--c-primary);
  --bs-link-hover-color:var(--c-primary-deep);
  --bs-border-color:var(--c-line);
  --bs-border-radius:10px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-deep)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(248,245,239,.86);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled{
  background:#FFFFFF;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 6px 18px -14px rgba(20,32,28,.28);
}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-left{display:flex;align-items:center;gap:36px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.02em}
.brand:hover{color:var(--c-primary)}
.brand-mark{
  width:22px;height:22px;border:1.5px solid var(--c-primary);border-radius:6px;position:relative;flex:none;
}
.brand-mark::before{content:"";position:absolute;left:3px;top:3px;width:8px;height:8px;background:var(--c-accent);border-radius:2px}
.brand-mark::after{content:"";position:absolute;right:3px;bottom:3px;width:6px;height:6px;border:1px solid var(--c-leaf);border-radius:50%}
.nav-channels{display:flex;align-items:center;gap:28px}
.channel a{
  position:relative;display:inline-block;font-size:14.5px;font-weight:500;color:var(--c-ink-soft);
  padding:6px 0;
}
.channel a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.channel a:hover{color:var(--c-primary)}
.channel a:hover::after,.channel a.active::after{transform:scaleX(1)}
.channel a.active{color:var(--c-primary);font-weight:600}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search-input{
  width:0;opacity:0;padding:0;border:1px solid var(--c-line);border-radius:10px;height:38px;
  background:#fff;color:var(--c-ink);font-size:14px;transition:width .24s ease,opacity .24s ease,padding .24s ease;
}
.nav-search.open .nav-search-input{width:220px;opacity:1;padding:0 12px;margin-right:8px}
.nav-search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,69,58,.12)}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-primary);
  cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);border-color:rgba(20,69,58,.25)}
.icon-btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.nav-link-plain{font-size:14.5px;font-weight:500;color:var(--c-ink-soft)}
.nav-link-plain:hover{color:var(--c-primary)}
.nav-burger{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;padding:12px 26px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn-primary-main{background:var(--c-accent);color:#fff}
.btn-primary-main:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sd-2)}
.btn-primary-main:active{transform:translateY(0);box-shadow:none}
.btn-outline-main{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline-main:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--c-primary-deep)}
.btn-text{
  padding:0;background:none;border:none;color:var(--c-primary);font-weight:600;font-size:14.5px;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-text i{transition:transform .2s ease}
.btn-text:hover i{transform:translateX(3px)}
.btn-nav{padding:10px 20px;font-size:14.5px;background:var(--c-accent);color:#fff}
.btn-nav:hover{background:var(--c-accent-deep);color:#fff}

/* ---------- drawer ---------- */
.nav-overlay{
  position:fixed;inset:0;background:rgba(11,44,37,.42);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:1040;
}
.nav-overlay.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:290px;max-width:86vw;background:#fff;z-index:1050;
  transform:translateX(100%);transition:transform .24s ease;display:flex;flex-direction:column;
  padding:20px 22px calc(20px + env(safe-area-inset-bottom));
  box-shadow:-14px 0 40px -24px rgba(20,32,28,.4);
}
.nav-drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.drawer-nav a{
  font-size:15px;font-weight:500;color:var(--c-ink-soft);padding:13px 12px;border-radius:10px;
  border-left:2px solid transparent;
}
.drawer-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-nav a.active{color:var(--c-primary);font-weight:700;background:var(--c-primary-soft);border-left-color:var(--c-accent);border-radius:0 10px 10px 0}
.drawer-cta{width:100%;margin-top:12px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section--white{background:var(--c-surface)}
.section--paper{background:var(--c-bg)}
.section--soft{background:var(--c-primary-soft)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:clamp(1.5rem,1.2rem+1.1vw,2rem);line-height:1.35;font-weight:700;margin-top:14px}
.sec-head p{color:var(--c-ink-soft);margin-top:14px}
.idx{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--c-primary);
  letter-spacing:.06em;
}
.idx i{
  font-style:normal;border:1px solid var(--c-line);border-radius:5px;padding:2px 8px;
  font-variant-numeric:tabular-nums;background:#fff;
}
.dots-deco{
  background-image:radial-gradient(var(--c-line) 1px,transparent 1px);
  background-size:14px 14px;
}

/* ---------- breadcrumb ---------- */
.crumbs{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);
  padding:20px 0 18px;flex-wrap:wrap;
}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .cur{color:var(--c-ink-soft);font-weight:600}

/* ---------- category hero banner ---------- */
.cat-hero{padding-bottom:0}
.cat-banner{
  position:relative;border-radius:var(--r-block);overflow:hidden;box-shadow:var(--sd-1);min-height:380px;
  display:flex;align-items:flex-end;
}
.cat-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cat-banner-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,44,37,.9) 0%,rgba(11,44,37,.72) 46%,rgba(11,44,37,.28) 100%);
}
.cat-banner-text{position:relative;padding:44px 48px;max-width:660px;color:#fff}
.badge-tag{
  display:inline-block;font-size:12px;padding:4px 12px;border-radius:999px;
  background:rgba(228,237,232,.16);color:#EAF2ED;border:1px solid rgba(228,237,232,.35);letter-spacing:.04em;
}
.cat-banner-text h1{
  font-size:clamp(2rem,1.4rem+2.2vw,3rem);line-height:1.28;font-weight:700;margin:18px 0 14px;
  letter-spacing:.01em;
}
.cat-banner-text p{color:rgba(255,255,255,.88);font-size:16px;line-height:1.85}

/* ---------- dual columns ---------- */
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sd-1);
}
.panel h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:6px}
.panel .panel-sub{font-size:14px;color:var(--c-muted);margin-bottom:22px}
.lv-item{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--c-line)}
.lv-item:first-of-type{border-top:none;padding-top:0}
.lv-no{
  flex:none;width:34px;height:34px;border-radius:8px;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  color:var(--c-primary);font-variant-numeric:tabular-nums;background:var(--c-bg);
}
.lv-body strong{display:block;font-size:15.5px;font-weight:600;margin-bottom:4px}
.lv-body span{font-size:14px;color:var(--c-ink-soft);line-height:1.75}
.check-list li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--c-line);font-size:15px;color:var(--c-ink-soft)}
.check-list li:first-child{border-top:none;padding-top:0}
.check-list i{color:var(--c-leaf);margin-top:5px;font-size:14px;flex:none}

/* ---------- compare table ---------- */
.table-shell{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-block);padding:8px;box-shadow:var(--sd-1)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px}
.cmp-table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
.cmp-table th,.cmp-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--c-line);color:var(--c-ink-soft)}
.cmp-table thead th{
  font-size:15px;font-weight:700;color:var(--c-ink);background:var(--c-bg);
  border-bottom:1px solid var(--c-line);white-space:nowrap;
}
.cmp-table thead th:first-child{border-radius:12px 0 0 0}
.cmp-table thead th:last-child{border-radius:0 12px 0 0}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table td:first-child,.cmp-table th:first-child{color:var(--c-ink);font-weight:600;width:22%}
.cmp-table .rec-col{background:var(--c-accent-soft);border-left:1px solid rgba(192,95,44,.45);border-right:1px solid rgba(192,95,44,.45)}
.cmp-table thead th.rec-col{background:var(--c-accent-soft);color:var(--c-accent-deep);position:relative}
.rec-badge{
  display:inline-block;margin-left:8px;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;
  background:var(--c-accent);color:#fff;vertical-align:middle;
}
.scroll-hint{display:none;font-size:13px;color:var(--c-muted);margin-top:12px;text-align:center}
.table-note{margin-top:18px;font-size:14px;color:var(--c-muted);line-height:1.8}
.table-cta{margin-top:26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ---------- media rows ---------- */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.media-row + .media-row{margin-top:56px}
.media-row.reverse .media-art{order:2}
.media-art img{border-radius:var(--r-card);box-shadow:var(--sd-1);aspect-ratio:16/11;object-fit:cover;width:100%}
.media-text h3{font-size:22px;font-weight:600;line-height:1.45;margin-bottom:12px}
.media-text p{color:var(--c-ink-soft);margin-bottom:16px}
.mini-list li{
  font-size:14.5px;color:var(--c-ink-soft);padding:9px 0 9px 18px;position:relative;border-bottom:1px dashed var(--c-line);
}
.mini-list li:last-child{border-bottom:none}
.mini-list li::before{
  content:"";position:absolute;left:0;top:17px;width:7px;height:7px;border-radius:2px;background:var(--c-leaf);
}

/* ---------- flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 22px;
  position:relative;box-shadow:var(--sd-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-item:hover{transform:translateY(-2px);box-shadow:var(--sd-2);border-color:rgba(20,69,58,.25)}
.flow-item .step{
  font-size:12px;letter-spacing:.08em;color:var(--c-primary);border:1px solid var(--c-line);
  border-radius:5px;padding:2px 8px;display:inline-block;font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;font-weight:600;margin:14px 0 8px}
.flow-item p{font-size:14px;color:var(--c-ink-soft);line-height:1.8}

/* ---------- update list ---------- */
.upd-table{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.upd-table th,.upd-table td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--c-line);color:var(--c-ink-soft)}
.upd-table thead th{background:var(--c-bg);color:var(--c-ink);font-weight:600;font-size:14px}
.upd-table tbody tr:last-child td{border-bottom:none}
.upd-table .date-col{white-space:nowrap;color:var(--c-muted);font-variant-numeric:tabular-nums}

/* ---------- cross links ---------- */
.cross-links{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cross-links .label{font-size:13px;color:var(--c-muted);margin-right:4px}
.cross-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-ink-soft);
  padding:10px 18px;border:1px solid var(--c-line);border-radius:999px;background:#fff;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.cross-link:hover{border-color:rgba(20,69,58,.3);color:var(--c-primary);background:var(--c-primary-soft)}
.cross-link.current{color:var(--c-accent);border-color:rgba(192,95,44,.4);background:var(--c-accent-soft);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}

/* ---------- faq ---------- */
.faq-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:8px 28px;box-shadow:var(--sd-1)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;background:none;border:none;text-align:left;padding:22px 0;font-size:16px;font-weight:600;
  color:var(--c-ink);display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-q:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px;border-radius:6px}
.faq-ico{position:relative;width:16px;height:16px;flex:none}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--c-accent);border-radius:1px;transition:transform .2s ease,opacity .2s ease;
}
.faq-ico::before{left:0;top:7px;width:16px;height:2px}
.faq-ico::after{left:7px;top:0;width:2px;height:16px}
.faq-q[aria-expanded="true"] .faq-ico::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--c-ink-soft);max-width:900px}

/* ---------- cta ---------- */
.cta-block{
  background:var(--c-primary-deep);border-radius:var(--r-block);padding:56px 52px;color:#fff;
  display:grid;grid-template-columns:1.4fr .8fr;gap:36px;align-items:center;position:relative;overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(rgba(110,156,139,.35) 1px,transparent 1px);background-size:14px 14px;opacity:.7;
}
.cta-block h2{font-size:clamp(1.5rem,1.2rem+1.1vw,2rem);line-height:1.35;font-weight:700;margin-bottom:14px}
.cta-block p{color:rgba(255,255,255,.82);font-size:15px;max-width:640px;position:relative;z-index:1}
.cta-actions{display:flex;justify-content:flex-end;position:relative;z-index:1}
.cta-fine{margin-top:22px;font-size:13px;color:rgba(255,255,255,.6);position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:#E9EFEB;padding:64px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{border-color:rgba(233,239,235,.7)}
.footer-brand .brand-mark::before{background:var(--c-accent)}
.footer-brand .brand-mark::after{border-color:var(--c-leaf)}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(233,239,235,.75);max-width:380px}
.footer-title{font-size:15px;font-weight:600;letter-spacing:.04em;margin-bottom:16px;color:#fff}
.footer-links li{margin-bottom:2px}
.footer-links a{font-size:14px;line-height:2;color:rgba(233,239,235,.75)}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(233,239,235,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(233,239,235,.6);
}

/* ---------- responsive ---------- */
@media (min-width:1400px){ .wrap{max-width:1240px} }
@media (max-width:1199px){
  .wrap{max-width:960px}
  .media-row{gap:32px}
}
@media (max-width:991px){
  :root{--nav-h:56px}
  .nav-channels{display:none}
  .nav-link-plain{display:none}
  .nav-search{display:none}
  .nav-burger{display:inline-flex}
  .btn-nav{display:none}
  .section{padding:64px 0}
  .cat-banner{min-height:320px}
  .cat-banner-text{padding:32px 28px;max-width:100%}
  .dual-grid{grid-template-columns:1fr;gap:16px}
  .media-row{grid-template-columns:1fr}
  .media-row.reverse .media-art{order:0}
  .media-row + .media-row{margin-top:40px}
  .flow-grid{grid-template-columns:1fr 1fr}
  .cta-block{grid-template-columns:1fr;padding:44px 30px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{margin-top:64px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .flow-grid{grid-template-columns:1fr;gap:14px}
  .scroll-hint{display:block}
  .faq-list{padding:4px 20px}
  .upd-table thead{display:none}
  .upd-table td{display:block;border-bottom:none;padding:6px 16px}
  .upd-table tr{display:block;border-bottom:1px solid var(--c-line);padding:12px 0}
  .upd-table tr:last-child{border-bottom:none}
  .upd-table td:first-child{padding-top:8px;font-weight:600;color:var(--c-ink)}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .section{padding:48px 0}
  .cat-banner{min-height:auto;border-radius:14px}
  .cat-banner-text{padding:26px 20px}
  .cat-banner-text h1{font-size:1.75rem}
  .panel{padding:22px 18px}
  .cmp-table{min-width:640px}
  .cta-block{padding:36px 22px;border-radius:14px}
  .footer-grid{grid-template-columns:1fr}
  .cross-link{width:100%;justify-content:space-between}
}