/* roulang page: index */
:root{
  --brand-700:#0A7A50;--brand-600:#0FA36B;--brand-500:#12B57F;--brand-300:#6FD9A8;--brand-100:#DDF5EA;
  --accent-600:#E8552A;--accent-500:#FF6A3D;--accent-100:#FFE7DE;
  --gold-400:#FFC94A;
  --bg:#F5F8F5;--bg-alt:#EDF3EE;--ink-bg:#0B1F18;
  --t1:#12211B;--t2:#4A5A53;--t3:#8A9992;
  --line:#E3EAE4;--line-strong:#C9D6CC;
  --grad:linear-gradient(115deg,#0A7A50 0%,#12B57F 48%,#3FD9C0 100%);
  --r-sm:10px;--r-md:16px;--r-lg:22px;--r-xl:32px;--pill:999px;
  --sh-1:0 1px 2px rgba(11,31,24,.04),0 8px 24px -14px rgba(11,31,24,.14);
  --sh-2:0 2px 4px rgba(11,31,24,.05),0 18px 40px -18px rgba(11,31,24,.22);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--t2);
  background:var(--bg);letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
svg{display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--t1);font-weight:800}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-100);color:var(--brand-700)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.28;letter-spacing:.005em}
.section-head p{margin-top:12px;font-size:15px;line-height:1.7;color:var(--t3)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-700);background:var(--brand-100);border-radius:var(--pill);padding:5px 14px;margin-bottom:16px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px -12px rgba(10,122,80,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(10,122,80,.78)}
.btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:#fff;color:var(--brand-700);border-color:#fff;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line-strong);color:var(--brand-700);background:#fff}
.btn-outline:hover{border-color:var(--brand-500);background:var(--brand-100);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:var(--ink-bg);color:#fff;transform:translateY(-2px)}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-700)}
.link-arrow svg{transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--pill);background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:700}
.tag-accent{background:var(--accent-100);color:var(--accent-600)}
.tag-lock{background:rgba(255,255,255,.9);color:var(--brand-700)}
.seal{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:104px;padding:10px 14px;border:1px solid rgba(255,255,255,.38);border-radius:12px;
  background:rgba(255,255,255,.1);backdrop-filter:blur(2px);
}
.seal b{font-family:var(--mono);font-size:32px;line-height:1.1;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.seal span{margin-top:4px;font-size:13px;line-height:1.5;color:rgba(255,255,255,.82)}
.seal-dark{border-color:var(--line-strong);background:#fff}
.seal-dark b{color:var(--brand-700)}
.seal-dark span{color:var(--t3)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-top-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:baseline;gap:2px;flex:0 0 auto;font-weight:800;font-size:21px;letter-spacing:.01em;color:var(--brand-700)}
.logo .logo-sub{font-size:13px;font-weight:700;color:var(--t1);letter-spacing:.08em}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:var(--grad);margin-right:8px;flex:0 0 auto;align-self:center}
.logo-wrap{display:flex;align-items:center}
.search{flex:1;max-width:640px;display:flex;align-items:center;gap:0;height:48px;border:1px solid var(--line-strong);border-radius:var(--pill);background:#fff;padding-left:18px;transition:border-color .18s ease,box-shadow .18s ease}
.search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,181,127,.12)}
.search svg{flex:0 0 auto;color:var(--t3)}
.search input{flex:1;min-width:0;height:100%;border:0;background:transparent;padding:0 12px;font-size:15px;outline:none}
.search input::placeholder{color:var(--t3)}
.search button{height:38px;margin-right:5px;padding:0 20px;border-radius:var(--pill);background:var(--grad);color:#fff;font-size:14px;font-weight:700;transition:opacity .18s ease}
.search button:hover{opacity:.88}
.nav-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.link-login{font-size:15px;font-weight:600;color:var(--t1);padding:8px 4px}
.link-login:hover{color:var(--brand-700)}
.hamburger{display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.hamburger:hover{background:var(--brand-100);border-color:var(--brand-300)}

.nav-sub{border-top:1px solid var(--line);background:rgba(255,255,255,.6)}
.nav-sub-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:52px}
.cat-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.cat-nav::-webkit-scrollbar{display:none}
.cat-nav a{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 16px;font-size:15px;font-weight:600;color:var(--t2);white-space:nowrap;transition:color .18s ease}
.cat-nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--grad);transform:scaleX(0);transition:transform .18s ease}
.cat-nav a:hover{color:var(--brand-700)}
.cat-nav a:hover::after{transform:scaleX(1)}
.cat-nav a.active{color:var(--brand-700);font-weight:800}
.cat-nav a.active::after{transform:scaleX(1)}
.hot-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);white-space:nowrap;padding:6px 14px;border-radius:var(--pill);background:var(--bg-alt)}
.hot-tag b{color:var(--accent-600);font-weight:700}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(11,31,24,.45);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{position:absolute;top:0;right:0;width:min(86vw,360px);height:100%;background:#fff;padding:22px 24px 32px;overflow-y:auto;transform:translateX(100%);transition:transform .26s ease;display:flex;flex-direction:column;gap:22px}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-head strong{font-size:17px;font-weight:800;color:var(--t1)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center}
.drawer-nav{display:grid;gap:6px}
.drawer-nav a{padding:14px 14px;border-radius:var(--r-sm);font-size:16px;font-weight:600;color:var(--t1);background:var(--bg-alt)}
.drawer-nav a.active{background:var(--brand-100);color:var(--brand-700)}
.drawer-actions{display:grid;gap:12px;margin-top:auto}

/* ---------- Hero ---------- */
.hero-wrap{padding-top:28px}
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  min-height:520px;display:flex;align-items:center;
  box-shadow:var(--sh-2);
}
.hero::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;transform:scale(1.02)}
.hero::after{content:"";position:absolute;inset:0;background:var(--grad);opacity:.9}
.hero-arc{position:absolute;right:-90px;bottom:-120px;width:460px;height:460px;border-radius:50%;border:2px solid rgba(255,255,255,.2);z-index:1;pointer-events:none}
.hero-arc-2{position:absolute;right:40px;bottom:-190px;width:460px;height:460px;border-radius:50%;border:2px solid rgba(255,255,255,.12);z-index:1;pointer-events:none}
.hero-inner{position:relative;z-index:2;width:100%;padding:64px 64px 56px;color:#fff}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 16px;border-radius:var(--pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);font-size:13px;font-weight:700;color:#fff;margin-bottom:22px}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2;font-weight:800;color:#fff;max-width:15em;letter-spacing:.005em}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.7;color:rgba(255,255,255,.9);max-width:32em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-seals{display:flex;flex-wrap:wrap;gap:14px;margin-top:44px}

/* ---------- 分类胶囊条 ---------- */
.chip-bar{padding:28px 0 0}
.chip-scroll{display:flex;gap:12px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
.chip-scroll::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 20px;flex:0 0 auto;
  border:1px solid var(--line-strong);border-radius:var(--pill);background:#fff;
  font-size:15px;font-weight:600;color:var(--t1);
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.chip svg{color:var(--brand-600)}
.chip:hover{background:var(--brand-100);border-color:rgba(18,181,127,.4);transform:translateY(-2px);box-shadow:var(--sh-1)}

/* ---------- 信任条 ---------- */
.trust{padding:32px 0 0}
.trust-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  border:1px solid var(--line);border-left:4px solid var(--brand-500);
  border-radius:var(--r-md);background:#fff;padding:22px 28px;box-shadow:var(--sh-1);
}
.trust-lead{font-size:15px;line-height:1.75;color:var(--t2);max-width:640px}
.trust-list{display:flex;flex-wrap:wrap;gap:20px}
.trust-list li{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--t1)}
.trust-list svg{color:var(--brand-600);flex:0 0 auto}

/* ---------- 权益对比表 ---------- */
.cmp-table{
  border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;overflow:hidden;box-shadow:var(--sh-1);
}
.cmp-table table{width:100%;border-collapse:collapse}
.cmp-table th,.cmp-table td{padding:0 24px;height:56px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.cmp-table thead th{
  position:sticky;top:0;z-index:2;height:72px;background:#fff;font-size:16px;font-weight:800;color:var(--t1);
  border-bottom:1px solid var(--line-strong);
}
.cmp-table tbody tr:nth-child(odd){background:var(--bg-alt)}
.cmp-table tbody tr:hover{background:#E4EFE7}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table td:first-child,.cmp-table th:first-child{font-weight:700;color:var(--t1);width:30%}
.col-rec{position:relative;background:rgba(221,245,234,.75)}
thead .col-rec{border-top:2px solid var(--brand-500);background:var(--brand-100)}
.cmp-rec-badge{
  position:absolute;top:8px;right:18px;height:22px;padding:0 10px;border-radius:var(--pill);
  background:var(--accent-500);color:#fff;font-size:12px;font-weight:700;line-height:22px;
}
.cell-yes{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand-700)}
.cell-yes i{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--brand-500);flex:0 0 auto}
.cell-no{display:inline-flex;align-items:center;gap:8px;color:var(--t3)}
.cell-no i{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;border:1px solid var(--line-strong);flex:0 0 auto}
.cell-txt{font-weight:600;color:var(--t1)}

.cmp-cards{display:none}
.cmp-card{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;padding:18px 20px;box-shadow:var(--sh-1)}
.cmp-card h3{font-size:16px;margin-bottom:12px}
.cmp-card dl{display:grid;gap:10px;margin:0}
.cmp-card .row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}
.cmp-card .row dt{color:var(--t3);font-weight:600;min-width:88px}
.cmp-card .row dd{margin:0;text-align:right;color:var(--t1);font-weight:600}
.cmp-note{margin-top:20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;color:var(--t3)}

/* ---------- 等级卡 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.tier{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:34px 30px 30px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.tier::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--grad)}
.tier:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.tier-featured{transform:scale(1.03);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.tier-featured:hover{transform:scale(1.03) translateY(-3px)}
.tier-seal{
  display:inline-flex;flex-direction:column;align-items:flex-start;gap:2px;align-self:flex-start;
  border:1px solid var(--line-strong);border-radius:12px;padding:10px 16px;background:var(--bg-alt);
}
.tier-seal b{font-family:var(--mono);font-size:18px;font-weight:800;color:var(--brand-700);letter-spacing:.06em}
.tier-seal span{font-size:12px;color:var(--t3)}
.tier h3{margin-top:20px;font-size:22px}
.tier .tier-desc{margin-top:8px;font-size:14px;line-height:1.7;color:var(--t3)}
.tier ul{margin-top:22px;display:grid;gap:11px;flex:1}
.tier ul li{position:relative;padding-left:20px;font-size:15px;line-height:1.7;color:var(--t2)}
.tier ul li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:50%;background:var(--brand-500)}
.tier-price{display:flex;align-items:baseline;gap:8px;margin:26px 0 18px;padding-top:20px;border-top:1px dashed var(--line-strong)}
.tier-price b{font-family:var(--mono);font-size:28px;font-weight:800;color:var(--t1);font-variant-numeric:tabular-nums}
.tier-price span{font-size:14px;color:var(--t3)}
.tier-tip{margin-top:12px;font-size:13px;color:var(--t3);text-align:center}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pcard{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.pcard-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.pcard-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.pcard:hover .pcard-cover img{transform:scale(1.04)}
.pcard-lock{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:rgba(11,31,24,.6);color:#fff;
}
.pcard-lock svg{color:rgba(255,255,255,.92)}
.pcard-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pcard-body h3{font-size:18px;line-height:1.45}
.pcard:hover .pcard-body h3{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px}
.pcard-body p{font-size:14px;line-height:1.7;color:var(--t3)}
.pcard-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--t3)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}
.news-main{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.news-main-cover{aspect-ratio:16/8;overflow:hidden;background:var(--bg-alt)}
.news-main-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-main:hover .news-main-cover img{transform:scale(1.03)}
.news-main-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:14px;flex:1}
.news-main-body h3{font-size:22px;line-height:1.45}
.news-main-body p{font-size:15px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--t3)}
.news-meta .mono{color:var(--t3)}
.news-list{display:grid;gap:14px;align-content:start}
.news-item{
  display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.news-item h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover h3{color:var(--brand-700)}
.news-item .news-meta{justify-content:space-between}
.news-more{margin-top:26px}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);background:#fff;
  padding:56px 32px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state svg{color:var(--brand-300)}
.empty-state p{font-size:15px;color:var(--t3)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item.open{border-color:var(--brand-300);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--t1);
}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--t2)}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad);
  padding:56px 56px;display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-card::before{content:"";position:absolute;left:-140px;bottom:-180px;width:420px;height:420px;border-radius:50%;border:2px solid rgba(255,255,255,.16)}
.cta-left{position:relative;z-index:2;max-width:620px;color:#fff}
.cta-left h2{color:#fff;font-size:clamp(24px,2.6vw,34px);line-height:1.3}
.cta-left p{margin-top:12px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.9)}
.cta-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;margin-top:24px}
.cta-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:rgba(255,255,255,.94)}
.cta-points svg{flex:0 0 auto;color:#fff}
.cta-right{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.cta-note{font-size:13px;color:rgba(255,255,255,.82)}
.cta-right .link-arrow{color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-bg);color:rgba(255,255,255,.88);margin-top:96px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:72px 0 48px}
.footer-brand .logo{color:#fff}
.footer-brand .logo .logo-sub{color:rgba(255,255,255,.7)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;transition:background-color .18s ease,border-color .18s ease}
.footer-social a:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.34)}
.footer-col h3{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease}
.footer-col a:hover{color:var(--brand-300)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:24px 0 34px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78)}
.footer-bottom a:hover{color:var(--brand-300)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 28px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .hero-inner{padding:48px 40px 44px}
  .preview-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  .nav-top-inner{gap:20px}
  .hot-tag{display:none}
}
@media (max-width:860px){
  .nav-top-inner{
    display:grid;grid-template-columns:1fr auto;grid-template-areas:"logo burger" "search search";
    height:auto;padding-top:12px;padding-bottom:12px;gap:12px;
  }
  .logo{grid-area:logo}
  .search{grid-area:search;max-width:none;width:100%}
  .nav-actions{display:none}
  .hamburger{display:inline-flex;grid-area:burger}
  .nav-sub-inner{height:auto;padding:0;justify-content:flex-start}
  .cat-nav a{height:48px;padding:0 14px;font-size:14px}
  .hero{min-height:auto}
  .hero-inner{padding:40px 26px 38px}
  .hero-seals{gap:10px;margin-top:32px}
  .seal{min-width:88px;padding:8px 12px}
  .seal b{font-size:26px}
  .tier-grid{grid-template-columns:1fr}
  .tier-featured{transform:none}
  .tier-featured:hover{transform:translateY(-3px)}
  .news-grid{grid-template-columns:1fr}
  .cta-card{padding:40px 28px}
  .cta-points{grid-template-columns:1fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .cmp-table{display:none}
  .cmp-cards{display:grid;gap:14px}
  .trust-inner{padding:20px 22px;gap:18px}
  .trust-list{display:grid;gap:10px;width:100%}
  .preview-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:32px;padding:52px 0 36px}
  .site-footer{margin-top:64px}
}
@media (max-width:520px){
  .hero-inner{padding:32px 20px 30px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .btn{min-height:46px;padding:0 20px;font-size:14px}
  .hero-cta{gap:10px}
  .hero-cta .btn{flex:1 1 100%}
  .faq-q{padding:14px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px}
  .cta-card{padding:32px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --brand-700:#0A7A50;
  --brand-600:#0FA36B;
  --brand-500:#12B57F;
  --brand-300:#6FD9A8;
  --brand-100:#DDF5EA;
  --accent-600:#E8552A;
  --accent-500:#FF6A3D;
  --accent-100:#FFE7DE;
  --gold-400:#FFC94A;
  --bg:#F5F8F5;
  --bg-alt:#EDF3EE;
  --ink-bg:#0B1F18;
  --t1:#12211B;
  --t2:#4A5A53;
  --t3:#8A9992;
  --line:#E3EAE4;
  --line-strong:#C9D6CC;
  --brand-grad:linear-gradient(115deg,#0A7A50 0%,#12B57F 48%,#3FD9C0 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:32px;
  --sh-1:0 1px 2px rgba(11,31,24,.04),0 8px 24px -14px rgba(11,31,24,.14);
  --sh-2:0 2px 4px rgba(11,31,24,.05),0 18px 40px -18px rgba(11,31,24,.22);
  --container:1200px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::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;
  color:var(--t2);
  background:var(--bg);
  letter-spacing:.01em;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:800;letter-spacing:0;}
p{margin:0 0 1.1em;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0 0 1.1em;padding-left:1.35em;}
li{margin-bottom:.4em;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ============ 按钮 / 标签 / 徽章 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;
  background:var(--brand-grad);
  box-shadow:0 10px 24px -14px rgba(10,122,80,.85);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(10,122,80,.9);}
.btn-ghost{
  color:var(--brand-700);
  background:#fff;
  border-color:var(--line-strong);
}
.btn-ghost:hover{color:var(--brand-700);border-color:var(--brand-500);background:var(--brand-100);transform:translateY(-2px);}
.btn-outline-light{
  color:#fff;
  border-color:rgba(255,255,255,.7);
  background:rgba(255,255,255,.08);
}
.btn-outline-light:hover{color:var(--brand-700);background:#fff;border-color:#fff;}
.btn-white{
  background:#fff;
  color:var(--brand-700);
  box-shadow:0 12px 26px -16px rgba(0,0,0,.5);
}
.btn-white:hover{color:#fff;background:var(--ink-bg);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  line-height:1.5;
  background:var(--brand-100);
  color:var(--brand-700);
}
.tag-alt{background:var(--accent-100);color:var(--accent-600);}
.tag-soft{background:var(--bg-alt);color:var(--t2);}
.seal{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:8px;
  border:1px solid var(--line-strong);
  background:#fff;
  font-size:12px;
  font-weight:700;
  color:var(--t1);
  letter-spacing:.04em;
}
.seal .seal-dot{width:8px;height:8px;border-radius:2px;background:var(--brand-500);}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px -22px rgba(11,31,24,.5);}
.header-main-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
  transition:min-height .2s ease;
}
.site-header.is-stuck .header-main-inner{min-height:60px;}
.logo-wrap{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(10,122,80,.9);
}
.logo{font-size:20px;font-weight:800;color:var(--t1);letter-spacing:.01em;}
.logo .logo-sub{color:var(--brand-600);font-size:13px;font-weight:700;margin-left:4px;letter-spacing:.06em;}

.search-box{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:640px;
  height:48px;
  padding:4px 4px 4px 16px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease,max-width .2s ease;
}
.site-header.is-stuck .search-box{max-width:520px;}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,181,127,.12);}
.search-box svg{flex:0 0 auto;margin-right:8px;color:var(--t3);}
.search-box input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  outline:none;
  background:transparent;
  font-size:15px;
  color:var(--t1);
}
.search-box input::placeholder{color:var(--t3);}
.search-box button{
  flex:0 0 auto;
  height:40px;
  padding:0 20px;
  border-radius:999px;
  color:#fff;
  font-size:14px;
  font-weight:700;
  background:var(--brand-grad);
  transition:transform .18s ease,box-shadow .18s ease;
}
.search-box button:hover{transform:translateY(-1px);box-shadow:0 10px 20px -12px rgba(10,122,80,.9);}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.login-link{font-size:15px;font-weight:600;color:var(--t1);}
.login-link:hover{color:var(--brand-600);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:#fff;
  align-items:center;justify-content:center;
}

.header-sub{border-top:1px solid var(--line);}
.header-sub-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;}
.cat-nav{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.cat-nav::-webkit-scrollbar{display:none;}
.cat-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:52px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--t2);
  white-space:nowrap;
  transition:color .18s ease;
}
.cat-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:3px;
  border-radius:3px 3px 0 0;
  background:var(--brand-grad);
  transform:scaleX(0);
  transition:transform .2s ease;
}
.cat-nav a:hover{color:var(--brand-700);}
.cat-nav a:hover::after{transform:scaleX(1);}
.cat-nav a.active{color:var(--brand-700);}
.cat-nav a.active::after{transform:scaleX(1);}
.hot-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--accent-100);
  color:var(--accent-600);
  font-size:13px;font-weight:700;
  white-space:nowrap;
}

/* 移动抽屉 */
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 0 24px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-drawer nav a{
  display:flex;align-items:center;min-height:48px;
  padding:0 4px;font-size:16px;font-weight:600;color:var(--t1);
  border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-actions{display:flex;gap:12px;flex-wrap:wrap;}
.mobile-drawer .drawer-actions .btn{flex:1 1 140px;}

/* ============ 通用板块 ============ */
.section{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;}
.section-head p{margin-top:12px;color:var(--t2);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-700);
  text-transform:none;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-grad);}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:24px 0 0;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:10px 16px;
  border-radius:999px;
  background:var(--bg-alt);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
}
.breadcrumb a{color:var(--t2);font-weight:600;}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--t3);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章布局 ============ */
.article-wrap{padding:32px 0 0;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.article-main{max-width:820px;min-width:0;}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:32px;}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.article-title{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.22;
  font-weight:800;
  margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  font-size:13px;line-height:1.5;color:var(--t3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}

.article-body{font-size:16px;line-height:1.85;color:var(--t2);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  margin:2.2em 0 .9em;
  padding-left:16px;
  font-size:clamp(21px,2.1vw,26px);
  line-height:1.35;
  font-weight:800;
  color:var(--t1);
  scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:3px;background:var(--brand-grad);
}
.article-body h3{
  margin:1.8em 0 .7em;
  font-size:19px;
  line-height:1.4;
  font-weight:700;
  color:var(--t1);
  scroll-margin-top:110px;
}
.article-body a{border-bottom:1px solid rgba(18,181,127,.45);}
.article-body a:hover{border-bottom-color:var(--brand-500);}
.article-body ul,.article-body ol{padding-left:1.3em;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--brand-500);}
.article-body ol li::marker{color:var(--brand-600);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:4px solid var(--accent-500);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:var(--bg-alt);
  color:var(--t2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--r-md);
  margin:1.6em auto .6em;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:13px;color:var(--t3);text-align:center;line-height:1.5;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.article-body thead th{
  background:var(--bg-alt);
  color:var(--t1);
  font-weight:700;
  text-align:left;
}
.article-body th,.article-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  background:var(--bg-alt);
  border-radius:6px;
  padding:2px 6px;
  font-size:14px;
  color:var(--brand-700);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

/* 空态 */
.empty-state{
  text-align:center;
  padding:64px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  background:#fff;
}
.empty-state svg{color:var(--brand-300);margin:0 auto 16px;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{margin-bottom:20px;color:var(--t2);}

/* 文末标签 */
.article-foot-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;padding-top:24px;
  border-top:1px solid var(--line);
}
.article-foot-tags .label{font-size:13px;color:var(--t3);}

/* 上/下一篇 */
.pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:32px;
}
.pager a{
  display:block;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.pager .pager-label{font-size:13px;color:var(--t3);display:block;margin-bottom:6px;}
.pager .pager-title{font-size:16px;font-weight:700;color:var(--t1);line-height:1.45;}
.pager a:hover .pager-title{color:var(--brand-700);}

/* 相关推荐 */
.related{margin-top:64px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;}
.related-head h2{font-size:clamp(20px,2vw,24px);}
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:18px;line-height:1.45;font-weight:700;}
.card-body h3 a{color:var(--t1);}
.card-body h3 a:hover{color:var(--brand-700);}
.card-body p{font-size:14px;line-height:1.7;color:var(--t2);margin:0;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-top:auto;}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;font-weight:800;margin-bottom:14px;color:var(--t1);}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;
  padding:8px 10px;
  border-radius:var(--r-sm);
  font-size:14px;
  line-height:1.55;
  color:var(--t2);
  transition:background-color .18s ease,color .18s ease;
}
.toc-list a:hover{background:var(--brand-100);color:var(--brand-700);}
.toc-list a.is-active{background:var(--brand-100);color:var(--brand-700);font-weight:700;}
.side-member{
  background:var(--ink-bg);
  border:0;
  color:rgba(255,255,255,.86);
  position:relative;
  overflow:hidden;
}
.side-member::after{
  content:"";
  position:absolute;
  right:-70px;bottom:-90px;
  width:220px;height:220px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,.14);
}
.side-member h3{color:#fff;}
.side-member p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.78);margin-bottom:16px;}
.side-member .price{font-size:28px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}
.side-member .price span{font-size:14px;font-weight:600;color:rgba(255,255,255,.7);}
.side-list{list-style:none;margin:0 0 16px;padding:0;}
.side-list li{
  display:flex;gap:8px;align-items:flex-start;
  font-size:14px;line-height:1.7;color:rgba(255,255,255,.84);margin-bottom:6px;
}
.side-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;
  background:var(--brand-300);margin-top:9px;
}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* 返回栏目 */
.back-row{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px;}

/* ============ CTA ============ */
.cta-band{padding:0 0 96px;}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--brand-grad);
  color:#fff;
  padding:48px clamp(24px,4vw,56px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:0 30px 60px -34px rgba(10,122,80,.7);
}
.cta-card::before{
  content:"";
  position:absolute;
  left:-60px;top:50%;
  width:240px;height:240px;
  margin-top:-120px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,.22);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,.16);
}
.cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.6vw,34px);line-height:1.28;}
.cta-copy p{margin:12px 0 20px;color:rgba(255,255,255,.88);font-size:15px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;margin:0;padding:0;}
.cta-points li{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.94);
}
.cta-points li::before{
  content:"";
  width:16px;height:16px;border-radius:50%;
  background:rgba(255,255,255,.22);
  border:1px solid rgba(255,255,255,.6);
  flex:0 0 auto;
}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-actions .link-light{color:rgba(255,255,255,.9);font-size:14px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.5);}
.cta-actions .link-light:hover{color:#fff;border-bottom-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-bg);color:rgba(255,255,255,.88);padding:64px 0 28px;margin-top:0;}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:16px 0 18px;max-width:360px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo .logo-sub{color:var(--brand-300);}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;
  border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.footer-social a:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4);transform:translateY(-2px);}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.76);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding-top:22px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .article-layout{gap:36px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:28px;}
  .card-grid-3{gap:18px;}
  .cta-card{flex-direction:column;align-items:flex-start;}
}
@media (max-width:900px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-side{position:static;order:2;}
  .article-main{max-width:100%;}
  .section{padding:56px 0;}
  .cta-band{padding-bottom:64px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .header-main-inner{flex-wrap:wrap;gap:12px;padding:12px 0;min-height:0;}
  .site-header.is-stuck .header-main-inner{min-height:0;}
  .logo-wrap{flex:1 1 auto;}
  .nav-toggle{display:flex;}
  .header-actions{display:none;}
  .search-box{
    order:3;
    width:100%;
    max-width:100%;
    flex:1 1 100%;
  }
  .site-header.is-stuck .search-box{max-width:100%;}
  .header-sub-inner{justify-content:flex-start;}
  .hot-pill{display:none;}
  .card-grid-3{grid-template-columns:minmax(0,1fr);}
  .pager{grid-template-columns:minmax(0,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .section{padding:48px 0;}
  .cta-card{padding:36px 24px;border-radius:var(--r-lg);}
  .article-body h2{font-size:21px;}
}
@media (max-width:520px){
  .logo{font-size:18px;}
  .search-box{height:46px;padding-left:14px;}
  .search-box button{height:38px;padding:0 16px;font-size:13px;}
  .footer-top{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-title{font-size:26px;}
  .breadcrumb .current{max-width:100%;}
}

/* roulang page: category1 */
:root{
  --brand-700:#0A7A50; --brand-600:#0FA36B; --brand-500:#12B57F; --brand-300:#6FD9A8; --brand-100:#DDF5EA;
  --accent-600:#E8552A; --accent-500:#FF6A3D; --accent-100:#FFE7DE;
  --gold-400:#FFC94A;
  --bg:#F5F8F5; --bg-alt:#EDF3EE; --ink-bg:#0B1F18;
  --t1:#12211B; --t2:#4A5A53; --t3:#8A9992;
  --line:#E3EAE4; --line-strong:#C9D6CC;
  --grad:linear-gradient(115deg,#0A7A50 0%,#12B57F 48%,#3FD9C0 100%);
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,24,.04), 0 8px 24px -14px rgba(11,31,24,.14);
  --sh-2:0 2px 4px rgba(11,31,24,.05), 0 18px 40px -18px rgba(11,31,24,.22);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--t2);font-family:var(--font);
  font-size:16px;line-height:1.8;letter-spacing:.01em;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.28;font-weight:800}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px -12px rgba(10,122,80,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(10,122,80,.55)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--brand-700)}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-100)}
.btn-white{background:#fff;color:var(--brand-700)}
.btn-white:hover{background:var(--ink-bg);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-top{border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .2s ease}
.logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);display:flex;align-items:center;justify-content:center}
.logo{font-size:21px;font-weight:800;color:var(--t1);letter-spacing:.02em;line-height:1}
.logo-sub{font-size:12px;font-weight:700;color:var(--brand-700);margin-left:4px;vertical-align:middle}
.nav-search{
  flex:1;max-width:640px;display:flex;align-items:center;gap:8px;height:48px;
  background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-pill);padding:0 6px 0 16px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,181,127,.12)}
.search-icon{display:flex;flex-shrink:0}
.nav-search input{flex:1;border:0;background:transparent;height:100%;font-size:15px;min-width:0}
.nav-search input::placeholder{color:var(--t3)}
.nav-search input:focus{outline:none}
.btn-search{height:36px;padding:0 20px;border:0;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:opacity .18s ease}
.btn-search:hover{opacity:.9}
.header-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.link-login{font-size:15px;font-weight:700;color:var(--t1)}
.link-login:hover{color:var(--brand-700)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-strong);background:#fff;border-radius:12px;align-items:center;justify-content:center;cursor:pointer}
.cat-nav-wrap{background:rgba(255,255,255,.7)}
.cat-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:52px}
.cat-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.cat-nav::-webkit-scrollbar{display:none}
.cat-nav a{
  position:relative;display:inline-flex;align-items:center;height:52px;padding:0 16px;
  font-size:15px;font-weight:700;color:var(--t2);white-space:nowrap;transition:color .18s ease;
}
.cat-nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:transparent;transition:background .18s ease}
.cat-nav a:hover{color:var(--brand-700)}
.cat-nav a.active{color:var(--brand-700)}
.cat-nav a.active::after{background:var(--brand-500)}
.hot-tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);background:var(--accent-100);color:var(--accent-600);font-size:13px;font-weight:700;flex-shrink:0}
.is-stuck .header-inner{height:60px}
.mobile-drawer{display:none}
.is-open .mobile-drawer{display:block}
.mobile-drawer{background:#fff;border-top:1px solid var(--line);padding:12px 0 20px}
.mobile-drawer a{display:flex;align-items:center;min-height:48px;padding:0 32px;font-size:16px;font-weight:700;color:var(--t1);border-bottom:1px solid var(--line)}
.mobile-drawer .drawer-cta{display:flex;gap:12px;padding:16px 32px 0}
.mobile-drawer .drawer-cta .btn{flex:1}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin:28px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 18px;font-size:13px;color:var(--t3);width:fit-content;max-width:100%}
.breadcrumb a{color:var(--t3);font-weight:600}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--brand-700);font-weight:700}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;margin-top:24px;border-radius:var(--r-xl);border:1px solid var(--line);
  background:linear-gradient(160deg,#EAF7F0 0%,#F5F8F5 62%,#EDF3EE 100%);
  padding:40px 44px;
}
.page-head::after{
  content:"";position:absolute;right:-90px;bottom:-150px;width:420px;height:420px;border-radius:50%;
  border:2px solid rgba(10,122,80,.16);border-left-color:transparent;border-top-color:transparent;transform:rotate(-18deg);
}
.page-head-inner{position:relative;z-index:1;display:flex;gap:48px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap}
.page-head h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.2}
.page-head .lead{margin-top:14px;max-width:640px;font-size:16px;color:var(--t2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line-strong);color:var(--brand-700);font-size:13px;font-weight:700;margin-bottom:16px}
.page-stats{display:grid;grid-template-columns:repeat(3,minmax(96px,1fr));gap:12px}
.stat-seal{background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-md);padding:14px 16px;text-align:center;box-shadow:var(--sh-1)}
.stat-seal .figure{font-size:30px;font-weight:800;color:var(--brand-700);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-seal .label{margin-top:6px;font-size:13px;color:var(--t3)}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{margin-top:32px;display:flex;gap:12px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:none}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line-strong);color:var(--t2);font-size:14px;font-weight:700;
  white-space:nowrap;cursor:pointer;transition:all .18s ease;
}
.chip:hover{background:var(--brand-100);border-color:rgba(18,181,127,.4);color:var(--brand-700)}
.chip.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 10px 22px -14px rgba(10,122,80,.7)}

/* ---------- 区块标题 ---------- */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:800}
.section-head .sub{margin-top:8px;font-size:14px;color:var(--t3)}

/* ---------- 卡片栅格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;display:flex;flex-direction:column;
}
.grid-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.gc-cover{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.gc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.grid-card:hover .gc-cover img{transform:scale(1.04)}
.gc-tag{
  position:absolute;left:14px;top:14px;height:26px;display:inline-flex;align-items:center;padding:0 12px;
  border-radius:var(--r-pill);background:rgba(11,31,24,.72);color:#fff;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.gc-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.gc-body h3{font-size:18px;line-height:1.45;font-weight:700}
.gc-body h3 a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px}
.gc-body p{font-size:14px;line-height:1.7;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gc-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3)}
.gc-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong)}

/* ---------- 分页 ---------- */
.pagination{margin-top:44px;display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap}
.page-link{
  min-width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;
  border-radius:12px;background:#fff;border:1px solid var(--line-strong);color:var(--t2);font-size:14px;font-weight:700;
  transition:all .18s ease;
}
.page-link:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.page-link.current{background:var(--grad);border-color:transparent;color:#fff}

/* ---------- FAQ ---------- */
.faq-list{margin-top:8px;display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:14px 22px;font-size:16px;font-weight:700;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:9px;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-100);border-color:rgba(18,181,127,.4)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--t2)}
.faq-item[open] summary{color:var(--brand-700)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;margin-top:72px;border-radius:var(--r-xl);background:var(--grad);padding:52px 48px;color:#fff}
.cta-band::after{
  content:"";position:absolute;left:-120px;top:-80px;width:360px;height:360px;border-radius:50%;
  border:2px solid rgba(255,255,255,.22);border-right-color:transparent;border-bottom-color:transparent;transform:rotate(24deg);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,34px);max-width:520px}
.cta-band .cta-sub{margin-top:10px;color:rgba(255,255,255,.88);font-size:15px}
.cta-list{margin-top:20px;display:grid;grid-template-columns:repeat(2,minmax(180px,1fr));gap:10px 24px}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.94)}
.cta-list svg{flex-shrink:0}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.cta-actions .cta-link{color:rgba(255,255,255,.92);font-size:14px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:2px}
.cta-actions .cta-link:hover{color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:var(--ink-bg);color:rgba(255,255,255,.88);padding:64px 0 28px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-sub{color:var(--brand-300)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.72);max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;transition:all .18s ease}
.footer-social a:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4)}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-col a:hover{color:var(--brand-300)}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .page-head{padding:36px 36px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0 0}
  .page-head-inner{gap:32px}
}
@media (max-width:768px){
  .header-inner{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:12px;gap:12px}
  .nav-search{order:3;flex:1 1 100%;max-width:none}
  .header-actions{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .cat-nav-inner{height:auto;flex-direction:column;align-items:stretch;gap:0;padding:4px 0 8px}
  .cat-nav a{height:46px}
  .hot-tag{display:none}
  .breadcrumb{margin-top:20px}
  .page-head{margin-top:16px;padding:28px 22px;border-radius:var(--r-lg)}
  .page-head::after{width:280px;height:280px;right:-120px;bottom:-140px}
  .page-stats{grid-template-columns:repeat(3,1fr);width:100%;gap:8px}
  .stat-seal{padding:10px 8px}
  .stat-seal .figure{font-size:24px}
  .stat-seal .label{font-size:12px}
  .section{padding:48px 0 0}
  .grid-3{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:32px 22px;margin-top:48px;border-radius:var(--r-lg)}
  .cta-list{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .site-footer{margin-top:64px;padding:48px 0 24px}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .logo{font-size:19px}
  .btn-search{padding:0 14px}
  .gc-body{padding:16px 16px 18px}
  .faq-item summary{padding:12px 16px;font-size:15px}
  .faq-body{padding:0 16px 16px}
}

/* roulang page: category2 */
:root{
  --brand-700:#0A7A50;--brand-600:#0FA36B;--brand-500:#12B57F;--brand-300:#6FD9A8;--brand-100:#DDF5EA;
  --accent-600:#E8552A;--accent-500:#FF6A3D;--accent-100:#FFE7DE;
  --gold-400:#FFC94A;
  --bg:#F5F8F5;--bg-alt:#EDF3EE;--ink-bg:#0B1F18;
  --t1:#12211B;--t2:#4A5A53;--t3:#8A9992;
  --line:#E3EAE4;--line-strong:#C9D6CC;
  --grad:linear-gradient(115deg,#0A7A50 0%,#12B57F 48%,#3FD9C0 100%);
  --r-sm:10px;--r-md:16px;--r-lg:22px;--r-xl:32px;
  --sh-1:0 1px 2px rgba(11,31,24,.04),0 8px 24px -14px rgba(11,31,24,.14);
  --sh-2:0 2px 4px rgba(11,31,24,.05),0 18px 40px -18px rgba(11,31,24,.22);
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--t2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.01em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.3;font-weight:800}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.28}
h3{font-size:22px;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{border-color:var(--line-strong);background:#fff;color:var(--t1)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.btn-ghost-light{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.08);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--brand-700);border-color:#fff}
.btn-light{background:#fff;color:var(--brand-700);box-shadow:var(--sh-1)}
.btn-light:hover{background:var(--ink-bg);color:#fff}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.text-link{color:var(--brand-700);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--accent-600)}
.text-link svg{transition:transform .18s ease}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 头部导航（搜索主导） ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-top{height:72px;transition:height .2s ease}
.header-inner{display:flex;align-items:center;gap:24px;height:100%}
.logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo{font-size:21px;font-weight:800;color:var(--t1);letter-spacing:.02em;display:flex;align-items:baseline;gap:2px}
.logo .logo-sub{font-size:12px;font-weight:700;color:var(--brand-600);letter-spacing:.06em}
.search-form{flex:1;max-width:640px;display:flex;align-items:center;gap:8px;position:relative}
.search-box{
  flex:1;display:flex;align-items:center;gap:10px;height:48px;padding:0 8px 0 16px;
  background:#fff;border:1px solid var(--line-strong);border-radius:999px;transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,181,127,.12)}
.search-box svg{flex-shrink:0}
.search-input{flex:1;border:0;background:transparent;height:100%;font-size:15px;outline:none;min-width:0}
.search-input::placeholder{color:var(--t3)}
.search-btn{
  height:36px;padding:0 18px;border:0;border-radius:999px;background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;cursor:pointer;transition:opacity .18s ease;
}
.search-btn:hover{opacity:.9}
.header-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.login-link{font-size:15px;font-weight:600;color:var(--t1)}
.login-link:hover{color:var(--brand-700)}
.header-mobile{display:none}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.header-bottom{height:52px;border-top:1px solid var(--line);transition:height .2s ease}
.cat-nav{display:flex;align-items:center;gap:8px;height:52px}
.cat-nav a{
  position:relative;height:52px;display:inline-flex;align-items:center;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--t2);transition:color .18s ease;
}
.cat-nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;background:transparent;transition:background .18s ease}
.cat-nav a:hover{color:var(--brand-700)}
.cat-nav a.active{color:var(--brand-700)}
.cat-nav a.active::after{background:var(--brand-500)}
.hot-pill{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--accent-100);color:var(--accent-600);font-size:13px;font-weight:700;
}
.site-header.scrolled .header-top{height:60px}
.site-header.scrolled .search-form{max-width:460px}
.site-header.scrolled .header-bottom{height:48px}
.site-header.scrolled .cat-nav a{height:48px}
.drawer{position:fixed;inset:72px 0 0;background:#fff;z-index:59;padding:20px 18px 40px;overflow-y:auto;display:none;border-top:1px solid var(--line)}
.drawer.open{display:block}
.drawer .drawer-search{display:flex;gap:8px;margin-bottom:18px}
.drawer .drawer-search input{flex:1;height:48px;border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:0 14px;outline:none}
.drawer nav a{display:flex;align-items:center;justify-content:space-between;height:52px;border-bottom:1px solid var(--line);font-weight:600;color:var(--t1)}
.drawer .drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:20px}

/* ---------- 面包屑 ---------- */
.crumbs{margin:28px 0 22px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:var(--bg-alt);border-radius:999px;padding:10px 18px;font-size:13px;color:var(--t3);width:fit-content}
.crumbs a{color:var(--t2);font-weight:600}
.crumbs a:hover{color:var(--brand-700)}
.crumbs li[aria-current]{color:var(--t3)}

/* ---------- 图头条 ---------- */
.page-hero{
  position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:360px;
  display:flex;align-items:flex-end;padding:48px;
  background-image:linear-gradient(115deg,rgba(10,122,80,.88),rgba(18,181,127,.78) 48%,rgba(63,217,192,.8)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  box-shadow:var(--sh-1);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-120px;width:420px;height:420px;border-radius:50%;
  border:2px solid rgba(255,255,255,.28);border-left-color:transparent;border-bottom-color:transparent;pointer-events:none;
}
.page-hero .hero-inner{position:relative;z-index:2;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.42);color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.page-hero h1{color:#fff;margin:18px 0 14px}
.page-hero p{color:rgba(255,255,255,.9);font-size:16px;max-width:620px}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.stamp{
  min-width:104px;padding:10px 14px;border:1px solid rgba(255,255,255,.45);border-radius:14px;
  background:rgba(11,31,24,.18);color:#fff;
}
.stamp b{display:block;font-size:26px;line-height:1.15;font-weight:800}
.stamp span{font-size:12px;color:rgba(255,255,255,.82);letter-spacing:.04em}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section.tight{padding:64px 0 0}
.section-head{margin-bottom:36px;max-width:720px}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.08em;margin-bottom:10px}
.section-head .kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.section-head p{margin-top:12px;color:var(--t2)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:700}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--t3)}

/* ---------- 主体布局：左 2/3 + 粘性侧栏 ---------- */
.course-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.long-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.long-card{
  display:grid;grid-template-columns:40% 1fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.long-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:var(--line-strong)}
.long-card .thumb{position:relative;min-height:180px;background:var(--bg-alt)}
.long-card .thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.long-card .thumb .level{
  position:absolute;left:12px;top:12px;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(11,31,24,.72);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;
}
.long-card .body{padding:20px;display:flex;flex-direction:column;gap:10px}
.long-card h3{font-size:18px;line-height:1.45}
.long-card h3 a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px}
.long-card p{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.long-card .meta-row{margin-top:auto}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.brief-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.brief-list li:last-child{border-bottom:0}
.brief-list b{color:var(--t1);font-weight:700}
.brief-list .v{color:var(--brand-700);font-weight:800}
.member-card{
  background:var(--ink-bg);color:rgba(255,255,255,.88);border:0;position:relative;overflow:hidden;
}
.member-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.member-card h3{color:#fff}
.member-card p{font-size:14px;color:rgba(255,255,255,.78);margin-bottom:16px}
.member-card .price{font-size:28px;font-weight:800;color:#fff;line-height:1.1;margin-bottom:4px}
.member-card .price small{font-size:13px;font-weight:600;color:rgba(255,255,255,.7);margin-left:4px}
.member-card .btn{width:100%;margin-top:16px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;
  background:var(--bg-alt);border:1px solid var(--line);font-size:13px;color:var(--t2);transition:all .18s ease;
}
.tag-cloud a:hover{background:var(--brand-100);border-color:rgba(18,181,127,.4);color:var(--brand-700)}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line-strong);font-size:14px;font-weight:600;color:var(--t2);cursor:pointer;
  transition:all .18s ease;
}
.chip:hover{border-color:rgba(18,181,127,.5);background:var(--brand-100);color:var(--brand-700)}
.chip.active{background:var(--grad);border-color:transparent;color:#fff}

/* ---------- 训练节奏流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:8px}
.flow-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);position:relative}
.flow-item::before{content:"";position:absolute;left:22px;top:0;width:44px;height:3px;border-radius:0 0 3px 3px;background:var(--grad)}
.flow-item .step{font-size:13px;font-weight:800;color:var(--brand-600);letter-spacing:.08em}
.flow-item h3{font-size:17px;margin:8px 0 8px}
.flow-item p{font-size:14px;color:var(--t2)}

/* ---------- 相关分类迷你卡 ---------- */
.mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.mini-card{
  display:flex;flex-direction:column;gap:10px;padding:24px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);transition:all .18s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.mini-card .ico{width:40px;height:40px;border-radius:12px;background:var(--brand-100);display:inline-flex;align-items:center;justify-content:center}
.mini-card h3{font-size:17px}
.mini-card p{font-size:14px;color:var(--t2)}
.mini-card .more{font-size:13px;font-weight:700;color:var(--brand-700);margin-top:auto}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item.open{border-color:rgba(18,181,127,.45);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--t1);cursor:pointer;
}
.faq-q .sign{position:relative;width:22px;height:22px;flex-shrink:0}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px;transition:transform .2s ease}
.faq-q .sign::before{left:3px;right:3px;top:10px;height:2px}
.faq-q .sign::after{top:3px;bottom:3px;left:10px;width:2px}
.faq-item.open .faq-q .sign::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--t2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:56px;
  background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--sh-1);
}
.cta-band::before{
  content:"";position:absolute;left:-90px;top:-120px;width:380px;height:380px;border-radius:50%;
  border:2px solid rgba(255,255,255,.26);border-right-color:transparent;border-top-color:transparent;
}
.cta-band .cta-copy{position:relative;z-index:2;max-width:620px}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);margin-top:12px}
.cta-checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}
.cta-checks li{display:flex;align-items:center;gap:8px;font-size:14px;color:#fff}
.cta-checks .dot{width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.22);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;align-items:stretch;min-width:220px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-bg);color:rgba(255,255,255,.88);padding:64px 0 28px;margin-top:96px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo{color:#fff}
.footer-brand .logo .logo-sub{color:var(--brand-300)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.7);margin-top:16px;max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:18px}
.footer-social a{width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.2);display:inline-flex;align-items:center;justify-content:center;transition:all .18s ease}
.footer-social a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5)}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .course-grid{grid-template-columns:minmax(0,1fr) 300px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .course-grid{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;order:2}
  .long-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr}
  .page-hero{padding:36px;min-height:320px}
  .header-actions .login-link{display:none}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .header-top{height:64px}
  .header-top .search-form{display:none}
  .header-mobile{display:flex;align-items:center;gap:12px;padding:10px 0 14px}
  .header-mobile .search-box{height:46px}
  .header-inner{gap:12px}
  .header-actions{display:none}
  .header-bottom{display:none}
  .site-header.scrolled .header-top{height:60px}
  .course-grid,.long-list,.flow,.mini-grid,.cta-checks{grid-template-columns:1fr}
  .long-card{grid-template-columns:1fr}
  .long-card .thumb{position:relative;min-height:190px;height:190px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 24px}
  .cta-actions{width:100%}
  .page-hero{padding:26px 20px;min-height:300px}
  .hero-facts{gap:10px}
  .stamp{min-width:calc(50% - 5px);flex:1 1 calc(50% - 5px)}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 24px;margin-top:64px}
  .crumbs ol{width:100%}
}
@media (max-width:520px){
  h1{font-size:28px}
  .btn{width:100%}
  .filter-bar,.tag-cloud{gap:8px}
  .chip{height:40px;padding:0 14px;font-size:13px}
  .stamp b{font-size:22px}
  .long-card .body{padding:16px}
  .side-card{padding:18px}
}