/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --brand-1:#0EBE85;
  --brand-2:#0A8A61;
  --brand-3:#FF7A2F;
  --brand-4:#0C1A16;
  --ink:#12211C;
  --ink-2:#46584F;
  --ink-3:#7A8C84;
  --bg:#F3F7F5;
  --bg-2:#E9F2EE;
  --surface:#FFFFFF;
  --line:#DCE8E2;
  --line-strong:#C6D8D0;
  --grad-brand:linear-gradient(118deg,#0EBE85 0%,#3ED9A4 52%,#FF7A2F 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,190,133,.14),rgba(255,122,47,.12));
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,26,22,.05),0 2px 8px -2px rgba(12,26,22,.06);
  --sh-2:0 8px 24px -8px rgba(12,26,22,.16);
  --sh-3:0 20px 48px -16px rgba(12,26,22,.24);
  --ease:cubic-bezier(.2,.8,.2,1);
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:var(--ink);
  --bs-body-bg:var(--bg);
  --bs-border-color:var(--line);
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-2);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-1)}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
::selection{background:rgba(14,190,133,.22)}

/* ================= 容器与栅格 ================= */
.wrap{width:100%;margin:0 auto;padding:0 20px}
@media(min-width:576px){.wrap{max-width:720px}}
@media(min-width:768px){.wrap{max-width:960px}}
@media(min-width:992px){.wrap{max-width:1140px}}
@media(min-width:1200px){.wrap{max-width:1240px}}
@media(min-width:1400px){.wrap{max-width:1320px}}

.section{padding:96px 0}
.section-tight{padding:72px 0}
@media(max-width:991px){.section{padding:64px 0}.section-tight{padding:56px 0}}
@media(max-width:767px){.section{padding:48px 0}.section-tight{padding:44px 0}}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-2);text-transform:uppercase;margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--grad-brand)}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
.section-head .sub{font-size:16px;color:var(--ink-2);margin-top:8px}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-2);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
  min-height:44px;
}
.link-arrow svg{width:16px;height:16px;transition:transform .18s var(--ease)}
.link-arrow:hover{color:var(--brand-1);border-color:rgba(14,190,133,.5)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ================= 顶部提示条 ================= */
.topbar{background:var(--brand-4);color:rgba(255,255,255,.82);font-size:13.5px;position:relative}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad-brand);opacity:.9}
.topbar-inner{display:flex;align-items:center;justify-content:center;gap:14px;min-height:40px;padding:6px 20px;text-align:center}
.topbar-inner p{margin:0;line-height:1.6}
.topbar-inner a{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:1px}
.topbar-inner a:hover{color:var(--brand-1);border-color:var(--brand-1)}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-3);box-shadow:0 0 0 4px rgba(255,122,47,.2);flex:0 0 auto}
@media(max-width:767px){.topbar-inner{font-size:12.5px;gap:8px}.topbar-inner p span.hide-sm{display:none}}

/* ================= 头部导航 ================= */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:22px;height:76px;transition:height .2s var(--ease)}
.site-header.scrolled .header-inner{height:64px}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  position:relative;flex:0 0 auto;box-shadow:var(--sh-1);
}
.brand-mark::after{
  content:"";position:absolute;inset:10px;border-radius:50%;
  border:2px solid rgba(255,255,255,.92);
  border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-45deg);
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.brand:hover .brand-text{color:var(--brand-2)}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.main-nav .nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:var(--r-md);transition:color .18s var(--ease);
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:center;
  transition:transform .2s var(--ease);
}
.main-nav .nav-link:hover{color:var(--brand-1)}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:var(--brand-1)}
.main-nav .nav-link.active::after{transform:scaleX(1)}
.main-nav .nav-link:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,190,133,.35)}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}

.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:var(--r-pill);
  background:rgba(14,190,133,.1);color:var(--brand-2);
  border:1px solid rgba(14,190,133,.22);
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  min-height:44px;
}
.mega-trigger::after{
  content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);transition:transform .18s var(--ease);
}
.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{background:rgba(14,190,133,.18);color:var(--brand-2);border-color:rgba(14,190,133,.42)}
.mega-trigger[aria-expanded="true"]::after{transform:rotate(-135deg) translateY(-2px)}
.mega-trigger:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,190,133,.35)}

.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:680px;
  background:#fff;border-radius:var(--r-xl);box-shadow:var(--sh-3);
  border:1px solid var(--line);overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
  z-index:1040;
}
.mega-panel::before{content:"";display:block;height:4px;background:var(--grad-brand)}
.mega-wrap:hover .mega-panel,
.mega-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-inner{padding:24px;display:grid;grid-template-columns:1.15fr 1fr;gap:24px}

.mega-col-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);margin-bottom:14px}
.mega-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.mega-chips a{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(14,190,133,.1);color:var(--brand-2);
  font-size:13.5px;font-weight:600;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.mega-chips a:hover{background:var(--brand-1);color:#fff}
.mega-latest{display:flex;flex-direction:column;gap:14px}
.mega-item{display:flex;gap:12px;align-items:center}
.mega-item img{width:64px;height:48px;border-radius:var(--r-sm);object-fit:cover;flex:0 0 auto}
.mega-item-title{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;display:block;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .18s var(--ease)}
.mega-item:hover .mega-item-title{color:var(--brand-1)}
.mega-item time{font-size:12.5px;color:var(--ink-3)}
.mega-brand-card{
  grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 22px;border-radius:var(--r-lg);background:var(--grad-brand);color:#fff;
}
.mega-brand-card h4{color:#fff;font-size:17px;font-weight:700;margin-bottom:6px}
.mega-brand-card p{font-size:13.5px;color:rgba(255,255,255,.88);line-height:1.6}
.mega-brand-card .btn-white{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 20px;border-radius:var(--r-md);background:#fff;color:var(--brand-2);
  font-size:14px;font-weight:700;white-space:nowrap;min-height:44px;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease);
}
.mega-brand-card .btn-white:hover{transform:translateY(-2px);box-shadow:0 10px 22px -8px rgba(0,0,0,.35);color:var(--brand-2)}

.hamburger{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line-strong);color:var(--ink);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.hamburger:hover{border-color:var(--brand-1);color:var(--brand-1)}
.hamburger:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,190,133,.35)}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* ================= 按钮 ================= */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-md);border:0;
  background:var(--grad-brand);background-size:170% 100%;background-position:0 0;
  color:#fff;font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-position .3s var(--ease);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 0}
.btn-main:active{transform:translateY(1px)}
.btn-main:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,190,133,.35)}
.btn-main[disabled]{background:var(--line);color:var(--ink-3);box-shadow:none;cursor:not-allowed;transform:none}

.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line-strong);color:var(--ink);
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.btn-line:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
.btn-line:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,190,133,.35)}

.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line-strong);color:var(--ink-2);
  font-size:15px;font-weight:600;transition:all .18s var(--ease);
}
.btn-soft:hover{border-color:var(--brand-1);color:var(--brand-1)}

.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;position:relative;
  padding:12px 6px;background:transparent;border:0;cursor:pointer;
  font-size:15px;font-weight:600;color:#fff;
}
.btn-ghost::after{content:"";position:absolute;left:6px;right:6px;bottom:8px;height:1px;background:currentColor;opacity:.42;transition:opacity .18s var(--ease)}
.btn-ghost svg{width:16px;height:16px;transition:transform .18s var(--ease)}
.btn-ghost:hover::after{opacity:.9}
.btn-ghost:hover svg{transform:translateX(3px)}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,255,255,.45);border-radius:var(--r-sm)}

/* ================= Hero ================= */
.hero{position:relative;overflow:hidden;background:var(--brand-4);padding:76px 0 118px;min-height:600px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(118deg,rgba(8,48,36,.94) 0%,rgba(10,138,97,.82) 42%,rgba(255,122,47,.62) 100%)}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  color:#fff;font-size:13.5px;font-weight:600;margin-bottom:22px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--brand-3);display:block}
.hero h1{
  font-size:clamp(28px,4.4vw,50px);font-weight:800;line-height:1.2;
  color:#fff;letter-spacing:-.01em;margin-bottom:20px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);max-width:520px;margin-bottom:32px}
.hero-cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.hero-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-3);border:1px solid rgba(255,255,255,.22)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-float{
  position:absolute;right:22px;bottom:22px;
  background:rgba(12,26,22,.86);backdrop-filter:blur(6px);
  border-radius:var(--r-lg);padding:14px 20px;color:#fff;
  border:1px solid rgba(255,255,255,.16);
}
.hero-float strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px}
.hero-float span{font-size:12.5px;color:rgba(255,255,255,.75)}
@media(max-width:991px){.hero{padding:56px 0 104px;min-height:auto}.hero-visual{margin-top:40px}.hero-sub{max-width:100%}}
@media(max-width:575px){.hero{padding:44px 0 96px}.hero-cta{gap:14px}.hero-cta .btn-main{width:100%}}

/* ================= 数据徽章带 ================= */
.stat-strip{
  position:relative;z-index:6;margin-top:-46px;
  background:#fff;border-radius:var(--r-xl);border:1px solid var(--line);
  box-shadow:var(--sh-2);overflow:hidden;
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-item{padding:26px 24px;text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item strong{
  display:block;font-size:26px;font-weight:800;line-height:1.2;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;margin-bottom:4px;
}
.stat-item span{font-size:13.5px;color:var(--ink-2)}
@media(max-width:767px){
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-34px}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:20px 14px}
  .stat-item:nth-child(odd){border-right:1px solid var(--line)}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:0}
  .stat-item strong{font-size:22px}
}

/* ================= 通用图标块 ================= */
.ico{
  width:48px;height:48px;border-radius:14px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,190,133,.12);color:var(--brand-1);
}
.ico svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ico-warm{background:rgba(255,122,47,.13);color:var(--brand-3)}

/* ================= 价值主张 ================= */
.value-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;display:flex;flex-direction:column;gap:14px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,190,133,.35)}
.value-card h3{font-size:18px;font-weight:700;line-height:1.45}
.value-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.value-card-lg{
  background:var(--grad-soft);border-color:rgba(14,190,133,.28);
  padding:34px 32px;justify-content:center;gap:18px;
}
.value-card-lg h3{font-size:23px}
.value-card-lg p{font-size:15.5px}
@media(max-width:991px){.value-card-lg{padding:28px 24px}.value-card-lg h3{font-size:20px}}

/* ================= 故事区 ================= */
.story{background:var(--bg-2);position:relative;overflow:hidden}
.story::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(12,26,22,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(12,26,22,.045) 1px,transparent 1px);
  background-size:48px 48px;
}
.story .wrap{position:relative;z-index:2}
.story-visual{position:relative}
.story-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-2)}
.story-badge{
  position:absolute;right:-10px;bottom:26px;
  background:var(--brand-4);color:#fff;border-radius:var(--r-lg);
  padding:16px 22px;box-shadow:var(--sh-3);border:1px solid rgba(255,255,255,.12);
}
.story-badge strong{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2;
  background:linear-gradient(118deg,#3ED9A4,#FF7A2F);-webkit-background-clip:text;background-clip:text;color:transparent}
.story-badge span{font-size:12.5px;color:rgba(255,255,255,.75)}
.story-copy h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;margin-bottom:22px}
.story-copy p{font-size:16px;line-height:1.85;color:var(--ink-2);margin-bottom:16px}
@media(max-width:991px){.story-badge{right:16px;bottom:16px}}
@media(max-width:767px){.story-visual{margin-bottom:32px}}

/* ================= 精选内容卡（Bento） ================= */
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;height:100%;color:inherit;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,190,133,.35);color:inherit}
.pcard-lg{border-radius:var(--r-xl);box-shadow:var(--sh-2)}
.pcard-media{overflow:hidden;background:var(--bg-2);position:relative}
.pcard-lg .pcard-media{aspect-ratio:16/10}
.pcard-sm .pcard-media{aspect-ratio:16/10}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.pcard:hover .pcard-media img{transform:scale(1.03)}
.pcard-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.pcard-lg .pcard-body{padding:30px}
.pcard-body h3{font-size:18px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard-lg .pcard-body h3{font-size:24px}
.pcard-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-top:auto;padding-top:6px}
.pcard-meta i{width:6px;height:6px;border-radius:50%;background:var(--brand-1);display:block}
.pcard-stack{display:flex;flex-direction:column;gap:24px;height:100%}
@media(max-width:991px){.pcard-lg .pcard-body h3{font-size:20px}}

/* ================= 分类胶囊 / 标签 ================= */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(14,190,133,.12);color:var(--brand-2);
  font-size:13px;font-weight:600;line-height:1.7;width:fit-content;
}
.chip-warm{background:rgba(255,122,47,.13);color:#C4520F}
.chip-dark{background:var(--brand-4);color:#fff}
.chip-dark i{width:6px;height:6px;border-radius:50%;background:var(--brand-3);display:block}

/* ================= 最新信息（CMS 区） ================= */
.latest{background:var(--bg)}
.ncard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  height:100%;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.ncard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,190,133,.35)}
.ncard-link{display:flex;flex-direction:column;height:100%;color:inherit}
.ncard-link:hover{color:inherit}
.ncard-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.ncard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.ncard:hover .ncard-media img{transform:scale(1.03)}
.ncard-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.ncard-title{font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard-sum{font-size:14.5px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard .meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-top:auto;padding-top:6px}
.ncard .meta i{width:6px;height:6px;border-radius:50%;background:var(--line-strong);display:block}

.empty-state{
  background:var(--grad-soft);border-radius:var(--r-lg);border:1px solid var(--line);
  padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state svg{width:48px;height:48px;fill:none;stroke:rgba(14,190,133,.4);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ================= 分类入口卡 ================= */
.cat-card{
  display:flex;flex-direction:column;gap:16px;height:100%;
  padding:34px;border-radius:var(--r-xl);
  background:var(--grad-soft);border:1px solid rgba(14,190,133,.26);
  color:inherit;position:relative;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cat-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  border:1px dashed rgba(14,190,133,.32);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,190,133,.6);color:inherit}
.cat-card h3{font-size:22px;font-weight:700;line-height:1.4;position:relative;z-index:2}
.cat-card p{font-size:15px;color:var(--ink-2);line-height:1.8;position:relative;z-index:2}
.cat-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;position:relative;z-index:2}
.cat-count{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-4);color:#fff;font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.cat-count i{width:6px;height:6px;border-radius:50%;background:var(--brand-3);display:block}
.cat-arrow{
  width:42px;height:42px;border-radius:50%;background:#fff;color:var(--brand-2);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.cat-arrow svg{width:18px;height:18px}
.cat-card:hover .cat-arrow{background:var(--brand-1);color:#fff;border-color:var(--brand-1);transform:translateX(3px)}
@media(max-width:767px){.cat-card{padding:26px}}

/* ================= 信任背书区 ================= */
.trust{background:var(--brand-4);color:#fff;position:relative;overflow:hidden}
.trust::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
}
.trust .wrap{position:relative;z-index:2}
.trust h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
.trust .sub{color:rgba(255,255,255,.72);font-size:16px;margin-top:10px}
.trust-badges{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 48px}
.trust-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
}
.trust-badge strong{font-size:20px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.trust-badge span{font-size:13.5px;color:rgba(255,255,255,.72)}
.trust-badge.dot{background:rgba(255,122,47,.16);border-color:rgba(255,122,47,.4)}

.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.timeline::before{content:"";position:absolute;top:5px;left:0;right:0;height:1px;background:rgba(255,255,255,.18)}
.tl-item{position:relative;padding-top:34px}
.tl-dot{position:absolute;top:0;left:0;width:11px;height:11px;border-radius:50%;background:var(--brand-3);box-shadow:0 0 0 5px rgba(255,122,47,.18)}
.tl-item h4{color:#fff;font-size:17px;font-weight:700;margin-bottom:8px}
.tl-item p{color:rgba(255,255,255,.7);font-size:14.5px;line-height:1.8}
@media(max-width:767px){
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline::before{display:none}
  .tl-item{padding:0 0 26px 24px;border-left:1px solid rgba(255,255,255,.16)}
  .tl-item:last-child{border-left-color:transparent;padding-bottom:0}
  .tl-dot{top:6px;left:-6px}
}

/* ================= FAQ ================= */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden}
.faq-wrap .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-wrap .accordion-item:last-child{border-bottom:0}
.faq-wrap .accordion-button{
  position:relative;width:100%;background:transparent;border:0;box-shadow:none;
  padding:22px 56px 22px 26px;font-size:17px;font-weight:600;color:var(--ink);
  line-height:1.6;text-align:left;min-height:48px;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.faq-wrap .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);opacity:0;transition:opacity .18s var(--ease);
}
.faq-wrap .accordion-button::after{
  content:"";position:absolute;right:26px;top:50%;
  width:10px;height:10px;margin:0;
  border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  background-image:none;transform:translateY(-70%) rotate(45deg);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand-1);background:rgba(14,190,133,.05)}
.faq-wrap .accordion-button:not(.collapsed)::before{opacity:1}
.faq-wrap .accordion-button:not(.collapsed)::after{border-color:var(--brand-1);transform:translateY(-30%) rotate(-135deg)}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:none}
.faq-wrap .accordion-button:focus-visible{box-shadow:inset 0 0 0 3px rgba(14,190,133,.35)}
.faq-wrap .accordion-body{padding:0 26px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ================= 订阅 CTA ================= */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-xl);padding:56px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-110px;width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.1);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.9);font-size:15.5px;line-height:1.8}
.cta-form{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 220px;min-width:0;height:48px;padding:0 18px;
  border-radius:var(--r-md);border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.94);color:var(--ink);font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.cta-form input::placeholder{color:var(--ink-3)}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.32)}
.cta-form input.is-error{border-color:#E5484D;box-shadow:0 0 0 4px rgba(229,72,77,.28)}
.cta-form .btn-solid{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--r-md);border:0;
  background:var(--brand-4);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.cta-form .btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(0,0,0,.5)}
.cta-form .btn-solid:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,255,255,.5)}
.form-hint{font-size:13px;color:rgba(255,255,255,.82);margin-top:14px;position:relative;z-index:2}
.form-msg{font-size:13px;color:#FFE2D2;margin-top:8px;min-height:18px;position:relative;z-index:2}
@media(max-width:767px){.cta-band{padding:34px 24px}.cta-form .btn-solid{width:100%}}

/* ================= 页脚 ================= */
.site-footer{background:var(--brand-4);color:rgba(255,255,255,.72);margin-top:96px;position:relative}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad-brand)}
.footer-top{padding:64px 0 44px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:18px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-sub{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.footer-sub input{
  flex:1 1 150px;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.07);
  color:#fff;font-size:14px;transition:border-color .18s var(--ease),background .18s var(--ease);
}
.footer-sub input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub input:focus{outline:none;border-color:var(--brand-1);background:rgba(255,255,255,.12)}
.footer-sub button{
  height:44px;padding:0 20px;border-radius:var(--r-md);border:0;cursor:pointer;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.footer-sub button:hover{transform:translateY(-2px);box-shadow:0 10px 22px -10px rgba(14,190,133,.7)}
.footer-sub button:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,190,133,.5)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}
@media(max-width:991px){.footer-top{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:575px){.footer-top{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}.footer-bottom{flex-direction:column;align-items:flex-start}}

/* ================= 移动抽屉 ================= */
.site-drawer{width:min(360px,88vw)}
.site-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.site-drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:6px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:600;color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.drawer-link:hover{background:rgba(14,190,133,.08);color:var(--brand-1)}
.drawer-link.active{background:rgba(14,190,133,.12);color:var(--brand-1)}
.drawer-cta{width:100%}

/* ================= 悬浮操作 ================= */
.float-actions{
  position:fixed;right:22px;bottom:26px;z-index:1050;
  display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .14s var(--ease),transform .14s var(--ease),visibility .14s;
}
.float-actions.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-btn{
  width:46px;height:46px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;color:var(--brand-2);border:1px solid var(--line);
  box-shadow:var(--sh-2);cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.float-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.float-btn:hover{background:var(--brand-1);color:#fff;border-color:var(--brand-1);transform:translateY(-2px)}
.float-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,190,133,.35)}
@media(max-width:575px){.float-actions{right:14px;bottom:16px}}

/* ================= 动效与可访问性 ================= */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:translateY(0);transition:opacity .45s var(--ease),transform .45s var(--ease)}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:0ms !important;animation-duration:0ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand-1:#0EBE85;
  --brand-2:#0A8A61;
  --brand-3:#FF7A2F;
  --brand-4:#0C1A16;
  --ink:#12211C;
  --ink-2:#46584F;
  --ink-3:#7A8C84;
  --bg:#F3F7F5;
  --bg-2:#E9F2EE;
  --surface:#FFFFFF;
  --line:#DCE8E2;
  --line-strong:#C6D8D0;
  --grad-brand:linear-gradient(118deg,#0EBE85 0%,#3ED9A4 52%,#FF7A2F 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,190,133,.14) 0%,rgba(255,122,47,.12) 100%);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,26,22,.05),0 2px 8px -2px rgba(12,26,22,.06);
  --sh-2:0 8px 24px -8px rgba(12,26,22,.16);
  --sh-3:0 20px 48px -16px rgba(12,26,22,.24);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,190,133,.35);border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
@media (max-width:575.98px){.wrap{padding:0 20px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease),height .2s var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .2s var(--ease);}
.site-header.is-stuck .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--grad-brand);
  box-shadow:0 4px 10px -4px rgba(14,190,133,.7);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 9px;
  background:#fff;border-radius:3px;opacity:.9;
}
.brand-text{
  font-size:19px;font-weight:800;color:var(--brand-4);
  white-space:nowrap;letter-spacing:-.02em;
}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav .nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:var(--r-sm);
  white-space:nowrap;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform .18s var(--ease);
}
.main-nav .nav-link:hover,.main-nav .nav-link:focus-visible{color:var(--brand-1);}
.main-nav .nav-link:hover::after,.main-nav .nav-link:focus-visible::after{transform:scaleX(1);}
.main-nav .nav-link.active{color:var(--brand-1);}
.main-nav .nav-link.active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad-brand);background-size:150% 100%;background-position:0 0;
  color:#fff;border:0;border-radius:var(--r-md);
  padding:12px 24px;font-size:15px;font-weight:600;
  cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-position .3s var(--ease);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 0;}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:0;color:var(--brand-2);
  font-size:15px;font-weight:600;padding:10px 0;cursor:pointer;
}
.btn-ghost i{transition:transform .18s var(--ease);}
.btn-ghost:hover{color:var(--brand-1);}
.btn-ghost:hover i{transform:translateX(3px);}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line-strong);color:var(--ink);
  border-radius:var(--r-md);padding:12px 24px;font-size:15px;font-weight:600;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.btn-line:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* mega */
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  border-radius:var(--r-md);padding:11px 18px;font-size:15px;font-weight:600;
  cursor:pointer;transition:border-color .18s var(--ease),color .18s var(--ease);
}
.mega-trigger:hover{border-color:var(--brand-1);color:var(--brand-1);}
.mega-trigger i{font-size:12px;transition:transform .18s var(--ease);}
.mega-wrap:hover .mega-trigger i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:680px;background:#fff;border-radius:var(--r-xl);
  border:1px solid var(--line);box-shadow:var(--sh-3);
  padding:26px;overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
  z-index:1040;
}
.mega-panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand);
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;}
.mega-block h4{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.06em;margin-bottom:14px;}
.pill-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.pill{
  display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--brand-2);
  background:rgba(14,190,133,.12);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.pill:hover{background:var(--brand-1);color:#fff;}
.mini-item{display:flex;gap:12px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line);}
.mini-item:last-child{border-bottom:0;}
.mini-item img{width:64px;height:48px;object-fit:cover;border-radius:var(--r-sm);flex:0 0 auto;}
.mini-item span{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.mini-item:hover span{color:var(--brand-1);}
.mega-cta{
  margin-top:22px;border-radius:var(--r-lg);
  background:var(--grad-brand);color:#fff;
  padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.mega-cta p{font-size:14px;opacity:.94;line-height:1.6;}
.mega-cta strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px;}
.mega-cta a{
  background:#fff;color:var(--brand-2);border-radius:var(--r-md);
  padding:10px 18px;font-size:14px;font-weight:700;white-space:nowrap;
}
.hamburger{
  width:46px;height:46px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  cursor:pointer;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;}
.offcanvas{background:#fff;color:var(--ink);}
.offcanvas-header{border-bottom:1px solid var(--line);}
.mobile-nav{display:flex;flex-direction:column;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:16px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:hover{color:var(--brand-1);}
.offcanvas-cta{margin-top:24px;}
.offcanvas-cta .btn-brand{width:100%;justify-content:center;}

/* ---------- progress ---------- */
.read-progress{position:fixed;top:0;left:0;height:4px;width:0;background:var(--grad-brand);z-index:1060;transition:width .1s linear;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;
  font-size:13.5px;color:var(--ink-3);white-space:nowrap;
}
.crumb::-webkit-scrollbar{display:none;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand-1);}
.crumb .sep{color:var(--line-strong);}
.crumb .now{color:var(--ink);font-weight:600;}

/* ---------- article head ---------- */
.article-head{padding:26px 0 0;}
.cat-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(14,190,133,.14);color:var(--brand-2);
  font-size:13px;font-weight:700;
}
.article-head h1{
  font-size:44px;font-weight:800;line-height:1.22;letter-spacing:-.01em;
  margin:20px 0 0;max-width:900px;
}
.lede{font-size:17px;line-height:1.8;color:var(--ink-2);margin-top:18px;max-width:820px;}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;
  margin-top:20px;font-size:13px;color:var(--ink-3);
}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--brand-3);display:inline-block;}
.cover-fig{margin:32px 0 0;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);}
.cover-fig img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- article body ---------- */
.article-shell{padding:44px 0 0;}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:48px 56px;
  max-width:900px;margin:0 auto;
}
.article-body{max-width:800px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--ink);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:30px;font-weight:700;line-height:1.35;margin:48px 0 16px;}
.article-body h3{font-size:22px;font-weight:700;line-height:1.4;margin:32px 0 12px;}
.article-body h4{font-size:18px;font-weight:600;margin:24px 0 10px;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;line-height:1.9;}
.article-body li{margin-bottom:8px;}
.article-body img{border-radius:var(--r-lg);margin:22px 0 8px;}
.article-body blockquote{
  margin:24px 0;padding:18px 24px;
  border-left:4px solid var(--brand-1);
  background:var(--grad-soft);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--bg-2);font-weight:700;}
.article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-3);}
.article-body code{background:var(--bg-2);border-radius:6px;padding:2px 6px;font-size:14px;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:14px;color:var(--ink-3);margin-top:10px;text-align:center;}

.empty-state{
  background:var(--grad-soft);border-radius:var(--r-lg);
  padding:48px 24px;text-align:center;
}
.empty-state i{font-size:44px;color:rgba(14,190,133,.45);}
.empty-state h2{font-size:22px;font-weight:700;margin:16px 0 8px;}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}

/* ---------- tail ---------- */
.tail{padding:36px 0 0;max-width:900px;margin:0 auto;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--ink-3);}
.tag{
  padding:7px 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:13px;font-weight:600;color:var(--ink-2);
}
.tag:hover{border-color:var(--brand-1);color:var(--brand-1);}
.back-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;padding-top:24px;border-top:1px solid var(--line);}

/* ---------- related ---------- */
.related{padding:88px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:32px;font-weight:700;}
.section-head p{font-size:15px;color:var(--ink-2);margin-top:10px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,190,133,.35);}
.card-thumb{overflow:hidden;aspect-ratio:16/10;background:var(--bg-2);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14.5px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{font-size:13px;color:var(--ink-3);margin-top:auto;display:flex;align-items:center;gap:8px;}

/* ---------- CTA ---------- */
.cta-band{
  margin:88px 0 0;border-radius:var(--r-xl);
  background:var(--grad-brand);color:#fff;
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-3);
}
.cta-band h2{color:#fff;font-size:32px;font-weight:700;}
.cta-band p{color:rgba(255,255,255,.92);font-size:15.5px;margin-top:12px;max-width:520px;}
.cta-band .btn-white{
  background:#fff;color:var(--brand-2);border:0;border-radius:var(--r-md);
  padding:14px 30px;font-size:15px;font-weight:700;white-space:nowrap;
  display:inline-flex;align-items:center;gap:8px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.cta-band .btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 28px -12px rgba(0,0,0,.4);color:var(--brand-2);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:104px;background:var(--brand-4);color:#fff;
  position:relative;padding-top:4px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand);}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;
  padding-top:64px;padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:8px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-sub{display:flex;gap:10px;margin-top:16px;}
.footer-sub input{
  flex:1;min-width:0;height:46px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;padding:0 14px;font-size:14px;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.5);}
.footer-sub input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(14,190,133,.2);}
.footer-sub button{
  height:46px;padding:0 20px;border:0;border-radius:var(--r-md);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:transform .18s var(--ease);
}
.footer-sub button:hover{transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;padding-bottom:28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .article-head h1{font-size:38px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:991.98px){
  .header-inner{height:68px;}
  .article-card{padding:36px 28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .article-head h1{font-size:32px;}
  .related{padding-top:64px;}
}
@media (max-width:767.98px){
  .article-head h1{font-size:28px;}
  .lede{font-size:16px;}
  .article-body h2{font-size:24px;margin-top:36px;}
  .article-body h3{font-size:19px;}
  .card-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .cta-band{margin-top:64px;padding:32px 24px;}
  .cta-band h2{font-size:24px;}
  .footer-top{grid-template-columns:1fr;padding-top:48px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:575.98px){
  .article-card{padding:26px 18px;border-radius:var(--r-lg);}
  .brand-text{font-size:17px;}
  .btn-brand,.btn-line{width:100%;justify-content:center;}
  .footer-sub{flex-direction:column;}
  .footer-sub button{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}

/* roulang page: category1 */
:root{
  --brand-1:#0EBE85;
  --brand-2:#0A8A61;
  --brand-3:#FF7A2F;
  --brand-4:#0C1A16;
  --ink:#12211C;
  --ink-2:#46584F;
  --ink-3:#7A8C84;
  --bg:#F3F7F5;
  --bg-2:#E9F2EE;
  --surface:#FFFFFF;
  --line:#DCE8E2;
  --line-strong:#C6D8D0;
  --grad-brand:linear-gradient(118deg,#0EBE85 0%,#3ED9A4 48%,#FF7A2F 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,190,133,.14) 0%,rgba(255,122,47,.12) 100%);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,26,22,.05),0 2px 8px -2px rgba(12,26,22,.06);
  --sh-2:0 8px 24px -8px rgba(12,26,22,.16);
  --sh-3:0 20px 48px -16px rgba(12,26,22,.24);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-2);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-1)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin-bottom:8px}
button,input{font-family:inherit}
:focus-visible{outline:3px solid rgba(14,190,133,.35);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (max-width:575.98px){.wrap{padding:0 20px}}
@media (min-width:1400px){.wrap{max-width:1320px}}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--brand-4);color:rgba(255,255,255,.82);font-size:13.5px;border-bottom:1px solid rgba(255,255,255,.08)}
.topbar .wrap{display:flex;align-items:center;justify-content:center;gap:14px;min-height:38px;padding-top:6px;padding-bottom:6px;text-align:center}
.topbar strong{color:#fff;font-weight:600}
.topbar a{color:var(--brand-1);font-weight:600;white-space:nowrap}
.topbar a:hover{color:#3ED9A4}
@media (max-width:767.98px){.topbar{display:none}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease),background .2s var(--ease)}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;transition:min-height .2s var(--ease)}
.site-header.scrolled .header-inner{min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--grad-brand);box-shadow:var(--sh-2);position:relative;flex-shrink:0}
.brand-mark::after{content:"";position:absolute;inset:9px 8px;border-radius:2px;background:rgba(255,255,255,.9);clip-path:polygon(0 0,100% 50%,0 100%)}
.brand-text{font-size:19px;font-weight:800;color:var(--brand-4);white-space:nowrap;letter-spacing:-.02em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;font-size:15px;font-weight:600;color:var(--ink-2);border-radius:var(--r-md)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:center;transition:transform .18s var(--ease)}
.nav-link:hover,.nav-link:focus-visible{color:var(--brand-1);background:transparent}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-1)}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:0;border-radius:var(--r-md);background:var(--grad-brand);background-size:160% 100%;color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-position .22s var(--ease)}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);background-position:60% 0}
.btn-cta:active{transform:translateY(1px)}
.btn-secondary-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line-strong);color:var(--ink);font-size:15px;font-weight:600;cursor:pointer;transition:all .18s var(--ease)}
.btn-secondary-x:hover{border-color:var(--brand-1);color:var(--brand-1)}
.btn-ghost{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:10px 4px;color:var(--ink);font-size:15px;font-weight:600;cursor:pointer;border-bottom:2px solid transparent;transition:color .18s var(--ease)}
.btn-ghost .arrow{transition:transform .18s var(--ease)}
.btn-ghost:hover{color:var(--brand-1)}
.btn-ghost:hover .arrow{transform:translateX(3px)}

/* Mega 面板 */
.mega-wrap{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 16px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;font-weight:600;cursor:pointer;transition:all .18s var(--ease)}
.mega-trigger:hover{border-color:var(--brand-1);color:var(--brand-1)}
.mega-trigger[aria-expanded="true"]{border-color:var(--brand-1);color:var(--brand-1);box-shadow:var(--sh-1)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:680px;background:#fff;border-radius:var(--r-xl);box-shadow:var(--sh-3);padding:8px 0 0;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;z-index:1040}
.mega-panel::before{content:"";display:block;height:4px;border-radius:4px 4px 0 0;background:var(--grad-brand);margin:-8px 0 0;}
.mega-wrap.open .mega-panel,.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-body{display:grid;grid-template-columns:1.15fr 1fr;gap:22px;padding:22px 24px 24px}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.04em;margin-bottom:12px}
.chip-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.chip{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);background:rgba(14,190,133,.12);color:var(--brand-2);font-size:13px;font-weight:600;transition:background .18s var(--ease),transform .18s var(--ease)}
.chip:hover{background:rgba(14,190,133,.2);color:var(--brand-2);transform:translateY(-1px)}
.mega-list{display:flex;flex-direction:column;gap:12px}
.mega-item{display:flex;gap:12px;align-items:center;padding:6px;border-radius:var(--r-md);transition:background .18s var(--ease)}
.mega-item:hover{background:var(--grad-soft)}
.mega-item img{width:64px;height:48px;object-fit:cover;border-radius:var(--r-sm);flex-shrink:0}
.mega-item .mi-t{font-size:14px;font-weight:600;color:var(--ink);line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.mega-item .mi-d{font-size:12.5px;color:var(--ink-3)}
.mega-card{grid-column:1 / -1;border-radius:var(--r-lg);background:var(--grad-brand);padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;color:#fff}
.mega-card p{margin:0;font-size:14.5px;line-height:1.6;color:rgba(255,255,255,.92)}
.mega-card .btn-white{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-md);background:#fff;color:var(--brand-2);font-size:14px;font-weight:700;white-space:nowrap;transition:transform .18s var(--ease)}
.mega-card .btn-white:hover{transform:translateY(-2px)}

.hamburger{width:46px;height:46px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.hamburger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* Offcanvas 移动端 */
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--line)}
.mobile-nav{display:flex;flex-direction:column;gap:2px}
.mobile-nav a{display:flex;align-items:center;min-height:48px;padding:0 10px;font-size:16px;font-weight:600;color:var(--ink);border-radius:var(--r-md)}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--grad-soft);color:var(--brand-2)}
.mobile-sub{margin-top:18px;border-top:1px solid var(--line);padding-top:18px}
.mobile-sub h4{font-size:13px;color:var(--ink-3);font-weight:700;margin-bottom:10px}
.mobile-cta{position:sticky;bottom:0;padding:16px 0;background:#fff;border-top:1px solid var(--line)}
.mobile-cta .btn-cta{width:100%}

/* ---------- Hero（分类页次级） ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--bg-2);min-height:340px;display:flex;align-items:center}
.cat-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.5}
.cat-hero .hero-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,190,133,.88) 0%,rgba(62,217,164,.72) 45%,rgba(255,122,47,.62) 100%);mix-blend-mode:multiply}
.cat-hero .hero-grain{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);background-size:22px 22px;opacity:.06}
.cat-hero .wrap{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);background:rgba(12,26,22,.32);color:#fff;font-size:13px;font-weight:600;margin-bottom:16px}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--brand-3);display:inline-block}
.cat-hero h1{font-size:44px;font-weight:800;line-height:1.2;color:#fff;max-width:820px;text-shadow:0 2px 18px rgba(12,26,22,.28)}
.cat-hero .hero-sub{margin-top:14px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.94);max-width:620px}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);padding:14px 0;overflow-x:auto;white-space:nowrap}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand-1)}
.crumb .sep{color:var(--line-strong)}
.crumb .cur{color:var(--ink)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section.alt{background:var(--bg-2)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:34px;font-weight:700;line-height:1.3}
.section-head p{margin-top:12px;font-size:17px;line-height:1.8;color:var(--ink-2)}
.mark{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-2);letter-spacing:.06em;margin-bottom:12px}
.mark::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad-brand);display:inline-block}

.card-x{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,190,133,.35)}
.card-x h3{font-size:19px;font-weight:700;margin-bottom:10px}
.card-x p{font-size:15px;line-height:1.8;color:var(--ink-2)}
.icon-line{width:46px;height:46px;border-radius:var(--r-md);background:var(--grad-soft);display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px}
.icon-line svg{width:24px;height:24px;stroke:var(--brand-1);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 主体：左文右卡 ---------- */
.layout-main{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;align-items:start}
.point-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:28px 30px;margin-bottom:20px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.point-item:hover{border-color:rgba(14,190,133,.35);box-shadow:var(--sh-1)}
.point-head{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.point-num{width:36px;height:36px;flex-shrink:0;border-radius:var(--r-sm);background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.point-item h3{font-size:20px;font-weight:700}
.point-item p{font-size:15.5px;line-height:1.85;color:var(--ink-2)}

.side-sticky{position:sticky;top:100px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:24px;margin-bottom:20px;box-shadow:var(--sh-1)}
.side-card h4{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h4::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--grad-brand)}
.toc{list-style:none;margin:0;padding:0}
.toc li{margin:0}
.toc a{display:block;padding:9px 0;font-size:14.5px;color:var(--ink-2);border-bottom:1px dashed var(--line);transition:color .18s var(--ease),padding-left .18s var(--ease)}
.toc li:last-child a{border-bottom:0}
.toc a:hover{color:var(--brand-1);padding-left:6px}
.side-promo{background:var(--grad-brand);border-radius:var(--r-xl);padding:26px;color:#fff}
.side-promo h4{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px}
.side-promo p{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.92);margin-bottom:18px}
.side-promo .btn-white{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 20px;border-radius:var(--r-md);background:#fff;color:var(--brand-2);font-size:15px;font-weight:700;transition:transform .18s var(--ease)}
.side-promo .btn-white:hover{transform:translateY(-2px);color:var(--brand-2)}

/* ---------- 数据徽章 ---------- */
.badge-band{background:#fff;border-radius:var(--r-xl);border:1px solid var(--line);box-shadow:var(--sh-2);padding:28px 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:-56px;position:relative;z-index:5}
.stat{text-align:left}
.stat .num{font-size:30px;font-weight:800;color:var(--brand-4);font-variant-numeric:tabular-nums;line-height:1.2}
.stat .num em{font-style:normal;font-size:16px;color:var(--brand-3);margin-left:2px}
.stat .lab{font-size:13.5px;color:var(--ink-2);margin-top:6px}
.stat .bar{height:3px;width:38px;border-radius:3px;background:var(--grad-brand);margin-top:10px}

/* ---------- 图文交替 ---------- */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.media-row + .media-row{margin-top:72px}
.media-row.reverse .media-text{order:2}
.media-row.reverse .media-pic{order:1}
.media-pic{position:relative}
.media-pic img{border-radius:var(--r-xl);box-shadow:var(--sh-2);width:100%;aspect-ratio:16/10;object-fit:cover}
.media-pic .float-badge{position:absolute;right:-14px;bottom:-14px;background:var(--brand-4);color:#fff;border-radius:var(--r-lg);padding:14px 18px;box-shadow:var(--sh-3);display:flex;align-items:center;gap:10px}
.media-pic .float-badge i{width:9px;height:9px;border-radius:50%;background:var(--brand-3);display:inline-block}
.media-pic .float-badge span{font-size:13.5px;font-weight:600;white-space:nowrap}
.media-text h3{font-size:26px;font-weight:700;margin-bottom:14px}
.media-text p{font-size:16px;line-height:1.85;color:var(--ink-2)}
.check-list{list-style:none;padding:0;margin:18px 0 0}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);margin-bottom:10px}
.check-list li::before{content:"";width:18px;height:18px;flex-shrink:0;margin-top:5px;border-radius:6px;background:rgba(14,190,133,.14);border:1px solid rgba(14,190,133,.45);position:relative}
.check-list li::after{content:"";position:absolute}

/* ---------- FAQ ---------- */
.faq-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:10px 26px;box-shadow:var(--sh-1)}
.faq-box .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.faq-box .accordion-item:last-child{border-bottom:0}
.faq-box .accordion-button{background:transparent;box-shadow:none;font-size:17px;font-weight:600;color:var(--ink);padding:20px 0 20px 16px;line-height:1.6;position:relative}
.faq-box .accordion-button::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:4px;border-radius:4px;background:linear-gradient(180deg,#0EBE85,#FF7A2F);opacity:0;transition:opacity .18s var(--ease)}
.faq-box .accordion-button:not(.collapsed){color:var(--brand-1)}
.faq-box .accordion-button:not(.collapsed)::before{opacity:1}
.faq-box .accordion-button::after{background-image:none;content:"";width:10px;height:10px;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);transform:rotate(45deg);margin-top:-6px;transition:transform .18s var(--ease)}
.faq-box .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:2px;border-color:var(--brand-1)}
.faq-box .accordion-button:focus{outline:3px solid rgba(14,190,133,.35);outline-offset:-3px}
.faq-box .accordion-body{padding:0 0 20px 16px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- 相关文章卡 ---------- */
.art-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;height:100%;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.art-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,190,133,.35)}
.art-card .thumb{overflow:hidden}
.art-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .22s var(--ease)}
.art-card:hover .thumb img{transform:scale(1.03)}
.art-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.art-card h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-card p{font-size:14.5px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.art-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-top:auto}
.art-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-3);display:inline-block}
.pill-sm{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(14,190,133,.12);color:var(--brand-2);font-size:12.5px;font-weight:600}

/* ---------- CTA ---------- */
.cta-band{border-radius:var(--r-xl);background:var(--grad-brand);padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;box-shadow:var(--sh-2)}
.cta-band h2{font-size:30px;font-weight:700;color:#fff;line-height:1.3}
.cta-band p{margin-top:10px;font-size:16px;color:rgba(255,255,255,.92);max-width:560px}
.btn-on-gradient{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 28px;border-radius:var(--r-md);background:#fff;color:var(--brand-2);font-size:16px;font-weight:700;white-space:nowrap;border:0;cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease)}
.btn-on-gradient:hover{color:var(--brand-2);transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(12,26,22,.5)}

.cta-strip{margin-top:0;border-radius:var(--r-xl);background:var(--grad-brand);padding:34px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;color:#fff}
.cta-strip p{margin:0;font-size:17px;font-weight:600;color:#fff}

/* ---------- 悬浮电梯 ---------- */
.lift{position:fixed;right:22px;bottom:26px;z-index:1050;display:flex;flex-direction:column;gap:10px;opacity:0;visibility:hidden;transition:opacity .14s var(--ease),visibility .14s}
.lift.show{opacity:1;visibility:visible}
.lift button,.lift a{width:46px;height:46px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;box-shadow:var(--sh-2);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);font-size:16px;cursor:pointer;transition:all .18s var(--ease)}
.lift button:hover,.lift a:hover{color:var(--brand-1);border-color:var(--brand-1);transform:translateY(-2px)}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-4);color:rgba(255,255,255,.72);margin-top:104px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:72px 0 52px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:19px;font-weight:800}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-links{display:flex;flex-direction:column}
.footer-links a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:7px 0;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-sub{display:flex;gap:10px;margin-top:14px}
.footer-sub input{flex:1;min-width:0;height:46px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14.5px;outline:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.footer-sub input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub input:focus{border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(14,190,133,.22)}
.footer-sub button{height:46px;padding:0 20px;border:0;border-radius:var(--r-md);background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:transform .18s var(--ease)}
.footer-sub button:hover{transform:translateY(-2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-hero h1{font-size:38px}
  .mega-panel{width:600px}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:991.98px){
  .layout-main{grid-template-columns:1fr;gap:32px}
  .side-sticky{position:static}
  .badge-band{grid-template-columns:repeat(2,1fr);gap:22px;margin-top:-40px}
  .media-row{grid-template-columns:1fr;gap:28px}
  .media-row.reverse .media-text{order:1}
  .media-row.reverse .media-pic{order:2}
  .media-row + .media-row{margin-top:52px}
  .section{padding:64px 0}
  .section-head h2{font-size:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px}
  .cat-hero{min-height:300px}
}
@media (max-width:767.98px){
  .badge-band{grid-template-columns:repeat(2,1fr);padding:22px}
  .stat .num{font-size:24px}
  .cat-hero h1{font-size:30px}
  .cat-hero .hero-sub{font-size:15.5px}
  .point-item{padding:22px}
  .faq-box{padding:6px 18px}
  .cta-strip{flex-direction:column;align-items:stretch;text-align:center;padding:28px 24px}
  .media-pic .float-badge{right:10px;bottom:10px}
  .footer-top{grid-template-columns:1fr;padding:56px 0 40px}
}
@media (max-width:575.98px){
  .section{padding:48px 0}
  .section.tight{padding:48px 0}
  .cat-hero h1{font-size:27px}
  .section-head h2{font-size:24px}
  .media-text h3{font-size:22px}
  .btn-cta,.btn-secondary-x,.btn-on-gradient{width:100%}
  .footer-sub{flex-direction:column}
  .footer-sub button{width:100%}
  .lift{right:14px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:0ms !important;transition-duration:0ms !important}
}

/* roulang page: category2 */
:root{
  --brand-1:#0EBE85;
  --brand-2:#0A8A61;
  --brand-3:#FF7A2F;
  --brand-4:#0C1A16;
  --ink:#12211C;
  --ink-2:#46584F;
  --ink-3:#7A8C84;
  --bg:#F3F7F5;
  --bg-2:#E9F2EE;
  --surface:#FFFFFF;
  --line:#DCE8E2;
  --line-strong:#C6D8D0;
  --grad-brand:linear-gradient(118deg,#0EBE85 0%,#3ED9A4 52%,#FF7A2F 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,190,133,.14) 0%,rgba(255,122,47,.12) 100%);
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:28px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(12,26,22,.05),0 2px 8px -2px rgba(12,26,22,.06);
  --sh-2:0 8px 24px -8px rgba(12,26,22,.16);
  --sh-3:0 20px 48px -16px rgba(12,26,22,.24);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-2);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-1)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input{font-family:inherit}
:focus-visible{outline:3px solid rgba(14,190,133,.35);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
section{scroll-margin-top:96px}

.wrap{width:100%;margin:0 auto;padding:0 20px}
@media(min-width:576px){.wrap{max-width:720px}}
@media(min-width:768px){.wrap{max-width:960px;padding:0 24px}}
@media(min-width:992px){.wrap{max-width:1140px}}
@media(min-width:1200px){.wrap{max-width:1240px}}
@media(min-width:1400px){.wrap{max-width:1320px}}

/* 顶部提示条 */
.topbar{background:var(--brand-4);color:rgba(255,255,255,.86);font-size:14px;border-bottom:1px solid rgba(255,255,255,.08)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px}
.topbar-inner span{line-height:1.5}
.topbar-inner a{color:#fff;font-weight:600;white-space:nowrap;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:1px}
.topbar-inner a:hover{color:#9BEBCB;border-color:#9BEBCB}
@media(max-width:767.98px){.topbar-inner span{font-size:13px}.topbar-inner a{display:none}}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  transition:box-shadow .18s var(--ease),background .18s var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:28px;min-height:76px;transition:min-height .18s var(--ease)}
.site-header.is-stuck .header-inner{min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--grad-brand);box-shadow:0 4px 12px -4px rgba(14,190,133,.7);position:relative;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:8px 8px 8px 8px;border-radius:3px;background:#fff;opacity:.9}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.02em}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.main-nav .nav-link{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:600;
  color:var(--ink-2);border-radius:var(--r-md);line-height:1.4;white-space:nowrap;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:center;transition:transform .18s var(--ease);
}
.main-nav .nav-link:hover,.main-nav .nav-link:focus-visible{color:var(--brand-1)}
.main-nav .nav-link:hover::after,.main-nav .nav-link:focus-visible::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:var(--brand-1)}
.main-nav .nav-link.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.mega-trigger-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--line-strong);
  color:var(--ink);font-size:15px;font-weight:600;border-radius:var(--r-md);padding:9px 16px;cursor:pointer;
  transition:all .18s var(--ease);
}
.mega-trigger:hover{border-color:var(--brand-1);color:var(--brand-1)}
.mega-trigger i{font-size:12px;transition:transform .18s var(--ease)}
.mega-trigger[aria-expanded="true"] i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:680px;background:#fff;border-radius:var(--r-xl);
  box-shadow:var(--sh-3);border:1px solid var(--line);padding:26px;opacity:0;visibility:hidden;
  transform:translateY(-6px);transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
  overflow:hidden;
}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand)}
.mega-trigger-wrap:hover .mega-panel,
.mega-trigger-wrap:focus-within .mega-panel,
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.06em;margin-bottom:12px}
.pill-cloud{display:flex;flex-wrap:wrap;gap:8px}
.pill-cloud a{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(14,190,133,.1);
  color:var(--brand-2);font-weight:600;transition:all .18s var(--ease);
}
.pill-cloud a:hover{background:rgba(14,190,133,.2);color:var(--brand-2);transform:translateY(-1px)}
.mini-list{display:flex;flex-direction:column;gap:14px}
.mini-item{display:flex;gap:12px;align-items:flex-start}
.mini-item img{width:64px;height:48px;object-fit:cover;border-radius:var(--r-sm);flex:0 0 auto}
.mini-item .t{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:230px}
.mini-item .d{font-size:12px;color:var(--ink-3)}
.mega-card{
  margin-top:18px;border-radius:var(--r-lg);padding:18px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.mega-card p{font-size:14px;font-weight:600;margin:0;color:#fff;line-height:1.5}
.mega-card a{
  background:#fff;color:var(--brand-2);font-size:13px;font-weight:700;padding:8px 16px;border-radius:var(--r-pill);
  white-space:nowrap;transition:transform .16s var(--ease);
}
.mega-card a:hover{color:var(--brand-2);transform:translateX(2px)}

.hamburger{
  margin-left:auto;width:46px;height:46px;border-radius:var(--r-md);border:1px solid var(--line-strong);
  background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.hamburger:hover{border-color:var(--brand-1);color:var(--brand-1)}

/* 按钮 */
.btn{transition:all .18s var(--ease);font-weight:600;letter-spacing:0}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad-brand);background-size:160% 100%;background-position:0 0;
  color:#fff;border:0;border-radius:var(--r-md);padding:13px 26px;font-size:15px;font-weight:600;
  box-shadow:0 6px 18px -8px rgba(14,190,133,.7);
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);background-position:60% 0}
.btn-grad:active{transform:translateY(-1px)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;border:1px solid var(--line-strong);color:var(--ink);border-radius:var(--r-md);
  padding:12px 24px;font-size:15px;font-weight:600;
}
.btn-line:hover{border-color:var(--brand-1);color:var(--brand-1)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;background:transparent;border:0;padding:10px 0;
  color:var(--brand-2);font-size:15px;font-weight:700;
}
.btn-ghost i{transition:transform .16s var(--ease);font-size:13px}
.btn-ghost:hover{color:var(--brand-1)}
.btn-ghost:hover i{transform:translateX(3px)}

/* 面包屑 */
.crumb-bar{padding:20px 0 0}
.breadcrumb-line{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.breadcrumb-line::-webkit-scrollbar{display:none}
.breadcrumb-line a{color:var(--ink-3)}
.breadcrumb-line a:hover{color:var(--brand-1)}
.breadcrumb-line .sep{color:var(--line-strong)}
.breadcrumb-line .cur{color:var(--ink);font-weight:600}

/* Hero */
.cat-hero{position:relative;overflow:hidden;padding:66px 0 62px;background:var(--bg-2);margin-top:18px}
.cat-hero .bg-img{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center;opacity:.16}
.cat-hero .bg-veil{position:absolute;inset:0;background:var(--grad-soft)}
.cat-hero .wrap{position:relative;z-index:2}
.hero-center{max-width:840px;margin:0 auto;text-align:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-2);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 16px;margin-bottom:20px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-3);box-shadow:0 0 0 4px rgba(255,122,47,.18)}
.cat-hero h1{font-size:46px;font-weight:800;line-height:1.2;letter-spacing:-.02em}
.cat-hero .sub{font-size:17px;color:var(--ink-2);margin:18px auto 0;max-width:640px;line-height:1.8}
.hero-anchors{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:26px}
.hero-anchors a{
  font-size:14px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:9px 20px;transition:all .18s var(--ease);
}
.hero-anchors a:hover{color:var(--brand-1);border-color:rgba(14,190,133,.5);transform:translateY(-2px);box-shadow:var(--sh-1)}
@media(max-width:991.98px){.cat-hero{padding:52px 0 48px}.cat-hero h1{font-size:36px}}
@media(max-width:575.98px){.cat-hero h1{font-size:28px}.cat-hero .sub{font-size:16px}.hero-anchors a{padding:8px 16px;font-size:13px}}

/* 数据条 */
.stat-strip{margin-top:-34px;position:relative;z-index:5}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-2);
  display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden}
.stat-cell{padding:26px 28px;text-align:center;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-cell .v{font-size:30px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-cell .v em{font-style:normal;font-size:16px;color:var(--brand-2);margin-left:4px;font-weight:700}
.stat-cell .l{font-size:13.5px;color:var(--ink-3);margin-top:6px}
@media(max-width:767.98px){.stat-card{grid-template-columns:repeat(2,1fr)}.stat-cell{padding:20px 16px}.stat-cell:nth-child(2){border-right:0}.stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}.stat-cell .v{font-size:24px}}

/* 通用板块 */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-2);
  letter-spacing:.06em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:var(--grad-brand)}
.section-head.center .eyebrow::before{display:none}
.section-head h2{font-size:34px;font-weight:700;line-height:1.3}
.section-head .desc{font-size:16px;color:var(--ink-2);margin-top:14px;line-height:1.8}
@media(max-width:991.98px){.section{padding:64px 0}.section-head h2{font-size:27px}}
@media(max-width:575.98px){.section{padding:48px 0}.section-head h2{font-size:23px}.section-head{margin-bottom:30px}}

/* 卡片墙 2x2 */
.wall-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.wall-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;
  transition:all .2s var(--ease);position:relative;overflow:hidden;
}
.wall-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,190,133,.35)}
.wall-card .ico{
  width:48px;height:48px;border-radius:var(--r-md);background:var(--grad-soft);display:flex;align-items:center;
  justify-content:center;color:var(--brand-1);font-size:20px;margin-bottom:18px;border:1px solid rgba(14,190,133,.18);
}
.wall-card h3{font-size:22px;font-weight:700;margin-bottom:10px}
.wall-card p{font-size:15.5px;color:var(--ink-2);line-height:1.85;margin:0}
.wall-card .tagline{
  display:inline-block;margin-top:16px;font-size:13px;font-weight:600;color:var(--brand-2);
  background:rgba(14,190,133,.1);border-radius:var(--r-pill);padding:5px 14px;
}
@media(max-width:767.98px){.wall-grid{grid-template-columns:1fr}.wall-card{padding:26px 22px}}

/* 时间线 */
.timeline-block{background:var(--bg-2);position:relative;overflow:hidden}
.timeline-block::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(var(--line-strong) 1px,transparent 1px),linear-gradient(90deg,var(--line-strong) 1px,transparent 1px);
  background-size:44px 44px;
}
.timeline-block .wrap{position:relative;z-index:2}
.timeline{position:relative;padding-left:38px;max-width:820px}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-3));opacity:.4;
}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-35px;top:7px;width:14px;height:14px;border-radius:50%;
  background:var(--brand-3);box-shadow:0 0 0 5px rgba(255,122,47,.16);border:2px solid #fff;
}
.tl-item .step{font-size:13px;font-weight:700;color:var(--brand-2);letter-spacing:.06em}
.tl-item h3{font-size:20px;font-weight:700;margin:6px 0 8px}
.tl-item p{font-size:15.5px;color:var(--ink-2);margin:0;line-height:1.85}
@media(max-width:575.98px){.timeline{padding-left:30px}.tl-item::before{left:-28px}.tl-item h3{font-size:18px}}

/* 图文块 */
.media-block{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}
.media-figure{position:relative}
.media-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-2)}
.media-figure .float-badge{
  position:absolute;right:-14px;bottom:-18px;background:var(--brand-4);color:#fff;border-radius:var(--r-lg);
  padding:14px 20px;box-shadow:var(--sh-3);
}
.media-figure .float-badge .n{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.media-figure .float-badge .n i{color:var(--brand-3);font-size:13px;margin-left:2px}
.media-figure .float-badge .t{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:2px}
.media-copy h2{font-size:32px;font-weight:700;line-height:1.32;margin-bottom:18px}
.media-copy p{font-size:16px;color:var(--ink-2);line-height:1.85}
.check-list{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-2);line-height:1.75}
.check-list i{color:var(--brand-1);font-size:15px;margin-top:6px}
@media(max-width:991.98px){.media-block{grid-template-columns:1fr;gap:32px}.media-copy h2{font-size:26px}.media-figure .float-badge{right:12px;bottom:-16px}}
@media(max-width:575.98px){.media-copy h2{font-size:22px}}

/* FAQ */
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1);overflow:hidden}
.faq-acc .accordion-item{border:0;border-top:1px solid var(--line);border-radius:0;background:transparent}
.faq-acc .accordion-item:first-child{border-top:0}
.faq-acc .accordion-button{
  background:transparent;border-radius:0;box-shadow:none;font-size:17px;font-weight:600;color:var(--ink);
  padding:22px 24px 22px 26px;position:relative;line-height:1.6;
}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);opacity:0;transition:opacity .18s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-1);background:rgba(14,190,133,.04)}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1}
.faq-acc .accordion-button:focus{box-shadow:none;outline:3px solid rgba(14,190,133,.3);outline-offset:-3px}
.faq-acc .accordion-button::after{
  flex:0 0 auto;width:11px;height:11px;margin-left:auto;border-right:2px solid var(--ink-3);
  border-bottom:2px solid var(--ink-3);background-image:none;transform:rotate(45deg);transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--brand-1)}
.faq-acc .accordion-body{padding:0 26px 22px 26px;font-size:15.5px;color:var(--ink-2);line-height:1.85}
@media(max-width:575.98px){.faq-acc .accordion-button{font-size:16px;padding:18px 18px 18px 20px;min-height:48px}.faq-acc .accordion-body{padding:0 20px 20px 20px}}

/* 相关文章卡 */
.rel-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  display:flex;flex-direction:column;transition:all .2s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(14,190,133,.35)}
.rel-card .thumb{overflow:hidden}
.rel-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-card .body{padding:26px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.rel-card .cap{
  align-self:flex-start;font-size:13px;font-weight:600;color:var(--brand-2);
  background:rgba(14,190,133,.1);border-radius:var(--r-pill);padding:5px 14px;
}
.rel-card h3{font-size:21px;font-weight:700;line-height:1.45}
.rel-card .ex{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0}
.rel-card .meta{margin-top:auto;font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:10px}
.rel-card .meta span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--line-strong);margin-right:8px;vertical-align:middle}
@media(max-width:991.98px){.rel-grid{grid-template-columns:1fr}}
@media(max-width:575.98px){.rel-card .body{padding:20px}.rel-card h3{font-size:18px}}

/* CTA 横条 */
.cta-bar{
  background:var(--grad-brand);border-radius:var(--r-xl);padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--sh-2);
}
.cta-bar h2{font-size:28px;font-weight:800;color:#fff;line-height:1.35}
.cta-bar p{font-size:15.5px;color:rgba(255,255,255,.9);margin:10px 0 0;line-height:1.75;max-width:640px}
.cta-bar .btn-white{
  background:#fff;color:var(--brand-2);border:0;border-radius:var(--r-md);padding:14px 30px;
  font-size:15px;font-weight:700;white-space:nowrap;transition:all .18s var(--ease);display:inline-flex;align-items:center;gap:8px;
}
.cta-bar .btn-white:hover{color:var(--brand-2);transform:translateY(-2px);box-shadow:0 12px 28px -12px rgba(0,0,0,.4)}
@media(max-width:991.98px){.cta-bar{flex-direction:column;align-items:flex-start;padding:32px 26px}.cta-bar h2{font-size:23px}.cta-bar .btn-white{width:100%;justify-content:center}}

/* 页脚 */
.site-footer{background:var(--brand-4);color:rgba(255,255,255,.78);margin-top:96px;border-top:4px solid transparent;border-image:var(--grad-brand) 1;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:24px;height:24px}
.footer-brand .brand-text{color:#fff;font-size:18px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:0}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff}
.footer-sub{display:flex;gap:10px;margin-top:16px}
.footer-sub input{
  flex:1 1 auto;min-width:0;height:46px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(14,190,133,.22)}
.footer-sub button{
  height:46px;padding:0 20px;border-radius:var(--r-md);border:0;background:var(--grad-brand);color:#fff;
  font-size:14px;font-weight:700;white-space:nowrap;transition:all .18s var(--ease);
}
.footer-sub button:hover{transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(14,190,133,.9)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;display:flex;justify-content:space-between;
  gap:16px;font-size:13px;color:rgba(255,255,255,.55);flex-wrap:wrap;
}
@media(max-width:991.98px){.footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}}
@media(max-width:575.98px){.footer-top{grid-template-columns:1fr;gap:28px}.footer-bottom{flex-direction:column;gap:8px}}

/* 移动端抽屉 */
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.mobile-nav{display:flex;flex-direction:column}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 4px;font-size:16px;
  font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--brand-1)}
.mobile-nav a i{font-size:13px;color:var(--line-strong)}
.mobile-nav a.active i{color:var(--brand-1)}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .24s var(--ease),transform .24s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}