/* ==========================================================================
   汇慧星链 Huihui Starlink — 企业官网设计系统
   风格：简约大气 / 对标蓝色光标 —— 纯白底 · 大留白 · 深蓝主色 · 中文+英文双语标签
   ========================================================================== */

:root{
  /* 色彩 */
  --ink:#0B1F3A;          /* 主文字：深藏青 */
  --ink-2:#47596F;        /* 次级文字 */
  --ink-3:#8494A8;        /* 三级文字 / 标签 */
  --brand:#0B4DA2;        /* 品牌蓝 */
  --brand-2:#1367D8;      /* 品牌蓝-亮 */
  --brand-soft:#EDF3FC;   /* 品牌蓝-浅底 */
  --navy:#071A38;         /* 深底 */
  --navy-2:#0E2C57;
  --line:#E4EAF2;         /* 分隔线 */
  --line-2:#D3DDEA;
  --bg:#FFFFFF;
  --bg-soft:#F5F8FC;
  --wx:#07C160;           /* 微信绿（腾讯生态强调色） */
  --wx-soft:#E8F8EF;
  --tec:#00A6E0;          /* 技术青（GEO 强调色） */
  --tec-soft:#E5F5FC;

  /* 尺寸 */
  --wrap:1200px;
  --radius:6px;
  --radius-lg:14px;
  --nav-h:76px;

  /* 字体 */
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",
          -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --num: Georgia, "Times New Roman", "Songti SC", serif;

  --shadow-sm: 0 2px 10px rgba(11,31,58,.05);
  --shadow:    0 10px 34px rgba(11,31,58,.09);
  --shadow-lg: 0 24px 60px rgba(11,31,58,.14);
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
table{border-collapse:collapse;width:100%}

/* ---------- 布局基元 ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
.sec{padding:112px 0}
.sec-sm{padding:72px 0}
.sec-soft{background:var(--bg-soft)}
.sec-line{border-top:1px solid var(--line)}
@media(max-width:900px){
  .sec{padding:72px 0}
  .sec-sm{padding:48px 0}
  .wrap{padding:0 20px}
}

/* ---------- 标题体系（中英双语标签） ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brand);margin-bottom:22px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--brand);display:block}
.eyebrow .cn{letter-spacing:.08em;font-size:13px}
.sec-title{font-size:42px;letter-spacing:-.02em}
.sec-sub{margin-top:20px;font-size:17px;color:var(--ink-2);max-width:680px;line-height:1.85}
.sec-head{margin-bottom:56px}
.sec-head.center{text-align:center}
.sec-head.center .sec-sub{margin-inline:auto}
@media(max-width:900px){
  .sec-title{font-size:29px}
  .sec-sub{font-size:15.5px;margin-top:14px}
  .sec-head{margin-bottom:38px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--radius);
  font-size:15px;font-weight:600;cursor:pointer;transition:all .22s var(--ease);
  white-space:nowrap;background:none;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,77,162,.28)}
.btn-line{border-color:var(--line-2);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18)}
.btn-block{width:100%}
.btn-lg{height:54px;padding:0 34px;font-size:16px}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none!important}

/* ---------- 顶部导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:200;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
  border-bottom:1px solid transparent;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  width:46px;height:46px;flex:none;border-radius:0;
  display:grid;place-items:center;position:relative;overflow:visible;
  background:none;box-shadow:none;
}
.brand-mark img{width:100%;height:100%;object-fit:contain;display:block}
.brand-mark svg{width:24px;height:24px;color:#fff;position:relative;z-index:1}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt .cn{font-size:19px;font-weight:800;letter-spacing:.04em}
.brand-txt .en{font-size:9.5px;letter-spacing:.24em;color:var(--ink-3);text-transform:uppercase;margin-top:3px}

.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu>a{
  position:relative;padding:9px 15px;font-size:15px;color:var(--ink-2);
  border-radius:var(--radius);transition:color .2s,background .2s;
}
.nav-menu>a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-menu>a.active{color:var(--brand);font-weight:600}
.nav-menu>a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
/* 移动端菜单内的一组按钮：桌面端不出现 */
.nav-act-m{display:none}
@media(max-width:1040px){
  .nav-act-m{display:flex;gap:10px;margin-top:16px;width:100%}
  .nav-act-m .btn{flex:1}
}
.nav-act{display:flex;align-items:center;gap:12px;flex:none}
.nav-tel{text-align:right;line-height:1.3}
.nav-tel .lb{display:block;font-size:11px;color:var(--ink-3);letter-spacing:.1em}
.nav-tel .nu{font-weight:700;font-size:16px;color:var(--ink);font-family:var(--num);letter-spacing:.02em}

.user-chip{
  display:none;align-items:center;gap:9px;height:40px;padding:0 14px 0 6px;
  border:1px solid var(--line);border-radius:999px;background:#fff;cursor:pointer;transition:.2s;
}
.user-chip.show{display:inline-flex}
.user-chip:hover{border-color:var(--brand)}
.user-chip .av{
  width:28px;height:28px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--tec));color:#fff;font-size:12px;font-weight:700;
}
.user-chip .nm{font-size:14px;font-weight:600;max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 移动端汉堡 */
.nav-burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex:none;
}
.nav-burger span{display:block;width:18px;height:1.6px;background:var(--ink);position:relative;transition:.25s}
.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.6px;background:var(--ink);transition:.25s;
}
.nav-burger span::before{top:-6px}.nav-burger span::after{top:6px}
.nav-burger.on span{background:transparent}
.nav-burger.on span::before{top:0;transform:rotate(45deg)}
.nav-burger.on span::after{top:0;transform:rotate(-45deg)}

/* 滚动后吸顶实底 */
.nav.solid{background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(14px);border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
/* 深色头部区域上方时反白 */
.nav.over-dark .brand-txt .cn{color:#fff}
.nav.over-dark .brand-txt .en{color:rgba(255,255,255,.55)}
.nav.over-dark .nav-menu>a{color:rgba(255,255,255,.8)}
.nav.over-dark .nav-menu>a:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav.over-dark .nav-menu>a.active{color:#fff}
.nav.over-dark .nav-menu>a.active::after{background:var(--tec)}
.nav.over-dark .nav-tel .lb{color:rgba(255,255,255,.5)}
.nav.over-dark .nav-tel .nu{color:#fff}
.nav.over-dark .btn-line{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.nav.over-dark .btn-line:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.nav.over-dark .nav-burger{background:transparent;border-color:rgba(255,255,255,.35)}
.nav.over-dark .nav-burger span,.nav.over-dark .nav-burger span::before,.nav.over-dark .nav-burger span::after{background:#fff}
@media(max-width:1040px){
  .nav-tel{display:none}
  .nav-burger{display:inline-flex}
  .nav-menu{
    position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);padding:10px 20px 18px;box-shadow:var(--shadow);
    max-height:calc(100vh - var(--nav-h));overflow:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:.25s var(--ease);
  }
  .nav-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-menu>a{padding:13px 4px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;color:var(--ink)!important;background:none!important}
  .nav-menu>a::after{display:none}
  .nav-menu>a.active{color:var(--brand)!important}
  .nav-menu .nav-act-m{display:flex;gap:10px;margin-top:16px}
  .nav-menu .nav-act-m .btn{flex:1}
  .nav.over-dark .brand-txt .cn{color:var(--ink)}
  .nav.over-dark .brand-txt .en{color:var(--ink-3)}
  .nav.over-dark .nav-menu>a{color:var(--ink)}
}

@media(max-width:1040px) and (min-width:1px){
  .nav.fixed-dark .brand-txt .cn{color:#fff}
  .nav.fixed-dark .brand-txt .en{color:rgba(255,255,255,.55)}
  .nav.fixed-dark:not(.solid) .nav-burger{border-color:rgba(255,255,255,.35)}
  .nav.fixed-dark:not(.solid) .nav-burger span,
  .nav.fixed-dark:not(.solid) .nav-burger span::before,
  .nav.fixed-dark:not(.solid) .nav-burger span::after{background:#fff}
}

/* ---------- 首屏 Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(1100px 620px at 78% 18%, rgba(0,166,224,.30), transparent 62%),
    radial-gradient(900px 560px at 12% 82%, rgba(11,77,162,.42), transparent 60%),
    linear-gradient(160deg,#0A2550 0%,#071A38 55%,#04122A 100%);
  padding:calc(var(--nav-h) + 92px) 0 96px;
}
.hero-grid{
  position:absolute;inset:0;
  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:64px 64px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 100%);
  pointer-events:none;
}
.hero-deco{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-deco .ring{
  position:absolute;border:1px solid rgba(255,255,255,.10);border-radius:50%;
}
.hero-deco .ring.a{width:520px;height:520px;right:-140px;top:-160px;border-color:rgba(0,166,224,.28);animation:floatY 12s ease-in-out infinite}
.hero-deco .ring.b{width:340px;height:340px;right:20px;bottom:-180px;border-color:rgba(255,255,255,.14);animation:floatY 9s ease-in-out infinite reverse}
.hero-deco .dot{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--tec);box-shadow:0 0 14px var(--tec)}
.hero-deco .dot.d1{right:120px;top:180px;animation:blink 3.4s ease-in-out infinite}
.hero-deco .dot.d2{right:300px;top:120px;background:#fff;box-shadow:0 0 12px #fff;animation:blink 4.6s ease-in-out infinite .6s}
.hero-deco .dot.d3{right:210px;bottom:210px;animation:blink 3.9s ease-in-out infinite 1.2s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(24px)}}
@keyframes blink{0%,100%{opacity:.35;transform:scale(1)}50%{opacity:1;transform:scale(1.35)}}

/* ---- 旋转科技圆环（同 hhxl.yun 主视觉） ---- */
.orbit-wrap{
  position:absolute;top:50%;right:-8%;transform:translateY(-50%);
  width:min(820px,120vw);height:min(820px,120vw);z-index:1;pointer-events:none;opacity:.92;
}
.orbit{width:100%;height:100%}
.orbit-g{transform-origin:center;transform-box:fill-box}
.orbit-1{animation:spin 20s linear infinite}
.orbit-2{animation:spin 14s linear infinite reverse}
.orbit-3{animation:spin 28s linear infinite}
.orbit-4{animation:spin 10s linear infinite reverse}
.sat{fill:var(--tec);filter:drop-shadow(0 0 8px rgba(0,166,224,.9))}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@media(max-width:900px){.orbit-wrap{right:-30%;width:120vw;height:120vw;opacity:.55}}
@media(prefers-reduced-motion:reduce){.orbit-g{animation:none}}

/* ---- 首屏分层入场 ---- */
@keyframes heroInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes heroInDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}
.hero-inner .hero-tag{animation:heroInDown .9s cubic-bezier(.16,.84,.44,1) .15s both}
.hero-inner h1{animation:heroInUp 1.05s cubic-bezier(.16,.84,.44,1) .32s both}
.hero-inner .hero-desc{animation:heroInUp 1s cubic-bezier(.16,.84,.44,1) .55s both}
.hero-inner .hero-acts{animation:heroInUp 1s cubic-bezier(.16,.84,.44,1) .75s both}
.hero .statbar{animation:heroInUp 1s cubic-bezier(.16,.84,.44,1) .95s both}
@media(prefers-reduced-motion:reduce){
  .hero-inner .hero-tag,.hero-inner h1,.hero-inner .hero-desc,.hero-inner .hero-acts,.hero .statbar{animation:none}
}

.hero-inner{position:relative;z-index:2;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;height:34px;padding:0 14px;
  border:1px solid rgba(255,255,255,.24);border-radius:999px;
  font-size:12.5px;letter-spacing:.1em;color:rgba(255,255,255,.86);margin-bottom:26px;
  background:rgba(255,255,255,.05);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--wx);box-shadow:0 0 10px var(--wx);display:block}
.hero h1{font-size:58px;letter-spacing:-.025em;line-height:1.16;color:#fff}
.hero h1 .hl{
  background:linear-gradient(96deg,#6FD3FF 0%,#8FE3D6 55%,#B7F0C8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{margin-top:26px;font-size:18px;line-height:1.9;color:rgba(255,255,255,.72);max-width:640px}
.hero-desc b{color:#fff;font-weight:600}
.hero-acts{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
@media(max-width:900px){
  .hero{padding:calc(var(--nav-h) + 56px) 0 64px}
  .hero h1{font-size:34px}
  .hero-desc{font-size:15.5px;margin-top:18px}
  .hero-acts{margin-top:30px}
  .hero-deco .ring.a{width:300px;height:300px;right:-110px}
  .hero-deco .ring.b{display:none}
}

/* 数据条 */
.statbar{
  position:relative;z-index:2;margin-top:76px;padding-top:38px;
  border-top:1px solid rgba(255,255,255,.16);
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.statbar .item{padding:0 26px;border-right:1px solid rgba(255,255,255,.12)}
.statbar .item:first-child{padding-left:0}
.statbar .item:last-child{border-right:none}
.statbar .n{font-family:var(--num);font-size:44px;font-weight:700;line-height:1;color:#fff;letter-spacing:-.02em}
.statbar .n em{font-style:normal;font-size:24px;margin-left:2px;color:var(--tec)}
.statbar .lb{margin-top:10px;font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.04em}
.statbar .en{margin-top:2px;font-size:10px;letter-spacing:.16em;color:rgba(255,255,255,.34);text-transform:uppercase}
@media(max-width:900px){
  .statbar{margin-top:44px;padding-top:26px;grid-template-columns:repeat(2,1fr);gap:26px 0}
  .statbar .item{padding:0 14px}
  .statbar .item:nth-child(2){border-right:none}
  .statbar .n{font-size:32px}
}

/* ---------- 通用卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.grid-6>.cell{background:#fff;padding:36px 30px;transition:background .3s,transform .3s}
.grid-6>.cell:hover{background:var(--brand-soft)}
@media(max-width:1000px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-6{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
  .grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}
  .grid-6>.cell{padding:28px 22px}
}

/* 图标盒 */
.ico{
  width:52px;height:52px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:var(--brand-soft);color:var(--brand);margin-bottom:22px;transition:.3s var(--ease);
}
.ico svg{width:24px;height:24px}
.ico.wx{background:var(--wx-soft);color:var(--wx)}
.ico.tec{background:var(--tec-soft);color:var(--tec)}
.card:hover .ico,.cell:hover .ico{transform:scale(1.06) rotate(-3deg)}

/* 编号 */
.no{font-family:var(--num);font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);margin-bottom:14px}
.cell h4,.card h4{font-size:19px;margin-bottom:12px}
.cell p,.card p{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 图文左右交替行（蓝标式） ---------- */
.alt{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:center;padding:64px 0}
.alt+.alt{border-top:1px solid var(--line)}
.alt.rev .alt-vis{order:2}
.alt-vis{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;
  display:grid;place-items:center;
}
.alt-vis::after{content:"";position:absolute;inset:0;opacity:.9}
.alt-txt .tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  padding:6px 12px;border-radius:999px;margin-bottom:20px;
}
.alt-txt h3{font-size:32px;margin-bottom:18px;letter-spacing:-.02em}
.alt-txt .lead{font-size:16px;color:var(--ink-2);line-height:1.9;margin-bottom:24px}
.klist li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-2)}
.klist li:last-child{border-bottom:none}
.klist .tick{
  flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;margin-top:3px;
}
.klist .tick svg{width:11px;height:11px;color:#fff}
@media(max-width:900px){
  .alt{grid-template-columns:1fr;gap:28px;padding:44px 0;gap:32px}
  .alt.rev .alt-vis{order:0}
  .alt-txt h3{font-size:25px}
  .alt-txt .lead{font-size:15px}
  .alt-vis{aspect-ratio:16/10}
}

/* ============ 可视化面板（纯 CSS/SVG 场景插画） ============ */
.viz{
  position:absolute;inset:0;width:100%;height:100%;
}

/* 腾讯生态多点投放场景 */
.viz-tencent{background:linear-gradient(140deg,#0B4DA2 0%,#0E2C57 55%,#071A38 100%)}
.viz-tencent .orbit{position:absolute;inset:0}
.viz-tencent .node{
  position:absolute;width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
}
.viz-tencent .node svg{width:26px;height:26px;color:#fff}
.viz-tencent .node span{
  position:absolute;bottom:-21px;left:50%;transform:translateX(-50%);
  font-size:11px;color:rgba(255,255,255,.8);white-space:nowrap;letter-spacing:.05em;
}
.viz-tencent .core{
  position:absolute;width:112px;height:112px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#07C160,#0BD07A);box-shadow:0 0 0 8px rgba(7,193,96,.14),0 0 44px rgba(7,193,96,.4);
}
.viz-tencent .core svg{width:34px;height:34px;color:#fff}
.pulse{animation:pulse 3s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 8px rgba(7,193,96,.14),0 0 44px rgba(7,193,96,.35)}50%{box-shadow:0 0 0 18px rgba(7,193,96,.03),0 0 60px rgba(7,193,96,.55)}}

/* GEO 答案位场景 */
.viz-geo{background:linear-gradient(150deg,#F7FAFF 0%,#E9F2FC 100%)}

/* ---- 关于我们 · 能力叠加图 ---- */
.stack-viz{
  position:relative;width:100%;padding:32px 30px 24px;color:#fff;
  background:
    radial-gradient(520px 300px at 85% -8%,rgba(0,166,224,.34),transparent 62%),
    linear-gradient(155deg,#0B4DA2 0%,#0E2C57 58%,#071A38 100%);
  overflow:hidden;
}
.stack-viz::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,#07C160,#00A6E0,#0B4DA2);
}
.stack-viz>*{position:relative;z-index:1}
.stack-viz .sv-eyebrow{
  display:block;font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.62);
  margin-bottom:22px;font-weight:600;
}
.sv-layer{
  display:flex;gap:15px;align-items:flex-start;padding:16px 18px;border-radius:14px;
  margin-bottom:11px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.07);backdrop-filter:blur(4px);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.sv-layer:hover{transform:translateX(-5px);background:rgba(255,255,255,.13)}
.sv-layer .sv-no{
  flex:none;font-family:var(--num);font-size:22px;font-weight:700;line-height:1;
  color:rgba(255,255,255,.34);margin-top:2px;
}
.sv-layer b{display:block;font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em;margin-bottom:5px}
.sv-layer p{margin:0;font-size:12.5px;line-height:1.75;color:rgba(255,255,255,.68)}
/* 自下而上：底层最厚最深，顶层最亮 */
.sv-layer.l1{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.10);margin-left:0;margin-right:26px}
.sv-layer.l2{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.18);margin-left:13px;margin-right:13px}
.sv-layer.l3{
  background:linear-gradient(120deg,rgba(0,166,224,.30),rgba(7,193,96,.22));
  border-color:rgba(0,166,224,.55);margin-left:26px;margin-right:0;
  box-shadow:0 10px 30px rgba(0,166,224,.24);
}
.sv-layer.l3 .sv-no{color:#8FE3D6}
.stack-viz .sv-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);
  font-size:11.5px;color:rgba(255,255,255,.52);letter-spacing:.03em;
}
@media(max-width:900px){
  .stack-viz{padding:26px 20px 20px}
  .sv-layer{padding:14px 15px;margin-left:0!important;margin-right:0!important}
}

/* ---- 微信营销生态面板（参考「什么是微信营销」主题，自研文案） ---- */
.wx-eco{
  position:relative;width:100%;padding:34px 32px 26px;color:#fff;
  background:
    radial-gradient(600px 320px at 88% -10%,rgba(0,166,224,.36),transparent 62%),
    radial-gradient(420px 300px at -10% 110%,rgba(7,193,96,.22),transparent 60%),
    linear-gradient(150deg,#0B4DA2 0%,#0E2C57 58%,#071A38 100%);
  overflow:hidden;
}
.wx-eco::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:38px 38px;
  mask-image:radial-gradient(ellipse 75% 70% at 30% 25%,#000,transparent);
  -webkit-mask-image:radial-gradient(ellipse 75% 70% at 30% 25%,#000,transparent);
}
.wx-eco>*{position:relative;z-index:1}
.wx-eco .we-eyebrow{
  display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.2em;color:#8FE3D6;
  border:1px solid rgba(143,227,214,.42);border-radius:999px;padding:4px 12px;margin-bottom:16px;
}
.wx-eco h4{font-size:31px;font-weight:800;line-height:1.22;letter-spacing:-.01em;color:#fff;margin-bottom:14px}
.wx-eco p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.76);margin-bottom:24px;max-width:460px}
.wx-eco p b{color:#fff;font-weight:700}
.wx-eco .we-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:22px}
.wx-eco .we-grid span{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;font-size:13px;color:#fff;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:11px;
  transition:.25s var(--ease);
}
.wx-eco .we-grid span:hover{background:rgba(255,255,255,.17);transform:translateY(-2px)}
.wx-eco .we-grid i{
  flex:none;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;
  font-style:normal;font-size:11px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#07C160,#0BD07A);
}
.wx-eco .we-flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.wx-eco .we-flow em{
  font-style:normal;font-size:12px;font-weight:700;color:#fff;letter-spacing:.04em;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:4px 12px;
}
.wx-eco .we-flow b{color:rgba(255,255,255,.5);font-weight:400;font-size:15px}
.wx-eco .we-note{font-size:11.5px;color:rgba(255,255,255,.55);letter-spacing:.04em}
@media(max-width:900px){
  .wx-eco{padding:26px 22px 22px}
  .wx-eco h4{font-size:25px}
  .wx-eco .we-grid{grid-template-columns:repeat(2,1fr)}
}

/* ---- AI 真实回答示意卡（品牌已被 AI 推荐） ---- */
.alt-vis-auto{aspect-ratio:auto;padding:0;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.ai-answer{position:relative;width:100%;padding:0;font-size:13px;line-height:1.75}
.ai-answer .aa-top{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px;background:linear-gradient(120deg,#0B4DA2,#1367D8 60%,#00A6E0);
}
.ai-answer .aa-q{color:#fff;font-weight:700;font-size:14.5px;letter-spacing:.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-answer .aa-src{flex:none;font-size:10.5px;color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.32);border-radius:999px;padding:2px 9px;letter-spacing:.06em}
.ai-answer .aa-cat{
  padding:12px 20px 10px;font-size:12px;font-weight:700;color:var(--brand);
  letter-spacing:.04em;border-bottom:1px dashed var(--line);
}
.ai-answer .aa-item{padding:13px 20px 15px;border-bottom:1px solid var(--line)}
.ai-answer .aa-item:last-of-type{border-bottom:none}
.ai-answer .aa-item.hl{background:linear-gradient(180deg,#F3F8FF,#fff);box-shadow:inset 3px 0 0 var(--brand)}
.ai-answer .aa-item.dim{color:var(--ink-3)}
.ai-answer .aa-name{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap;margin-bottom:8px}
.ai-answer .aa-name b{font-size:14px;color:var(--ink)}
.ai-answer .aa-item.dim .aa-name b{color:var(--ink-2)}
.ai-answer .aa-name i{font-style:normal;font-size:11px;color:var(--ink-3);
  background:var(--bg-soft);border-radius:999px;padding:2px 8px}
.ai-answer .aa-item.hl .aa-name i{background:var(--brand-soft);color:var(--brand);font-weight:600}
.ai-answer .aa-row{display:flex;gap:8px;font-size:12.5px;color:var(--ink-2);padding:2px 0}
.ai-answer .aa-row span{
  flex:none;width:34px;text-align:center;font-size:10.5px;font-weight:700;border-radius:4px;
  padding:1px 0;margin-top:2px;
}
.ai-answer .aa-row.ok span{background:#E7F7EE;color:#099B4F}
.ai-answer .aa-row.no span{background:#FDEEEE;color:#C0392B}
.ai-answer .aa-row.fit span{background:var(--tec-soft);color:#0087B8}
.ai-answer .aa-foot{
  padding:11px 20px 14px;font-size:11px;color:var(--ink-3);
  background:var(--bg-soft);border-top:1px solid var(--line);letter-spacing:.02em;
}
@media(max-width:900px){.ai-answer .aa-row{font-size:12px}.ai-answer .aa-q{font-size:13px}}
.viz-geo .ask{
  position:absolute;left:8%;top:12%;width:60%;padding:12px 16px;border-radius:14px 14px 14px 4px;
  background:#fff;border:1px solid var(--line-2);font-size:13.5px;color:var(--ink);
  box-shadow:var(--shadow-sm);
}
.viz-geo .ans{
  position:absolute;right:7%;bottom:12%;width:64%;padding:16px;border-radius:14px 14px 4px 14px;
  background:#fff;border:1px solid var(--line-2);box-shadow:var(--shadow);
}
.viz-geo .ans .who{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.viz-geo .ans .who .ava{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--tec))}
.viz-geo .ans .who .nm{font-size:11.5px;color:var(--ink-3);letter-spacing:.06em}
.viz-geo .ans .ln{height:8px;border-radius:4px;background:var(--line);margin-bottom:8px}
.viz-geo .ans .ln.hl{background:linear-gradient(90deg,var(--brand),var(--tec));position:relative}
.viz-geo .ans .ln.hl::after{
  content:"汇慧星链";position:absolute;left:6px;top:-2px;font-size:8px;color:#fff;letter-spacing:.1em;font-weight:700;
}

/* 双引擎闭环场景 */
.viz-loop{background:linear-gradient(135deg,#071A38,#0E2C57)}
.viz-loop svg{position:absolute;inset:0;width:100%;height:100%}

/* ---------- 大数字 ---------- */
.bignum{text-align:center;padding:36px 20px}
.bignum .n{font-family:var(--num);font-size:60px;font-weight:700;line-height:1;color:var(--brand);letter-spacing:-.03em}
.bignum .n em{font-style:normal;font-size:26px;color:var(--tec)}
.bignum .cn{margin-top:14px;font-size:15px;color:var(--ink-2)}
.bignum .en{margin-top:3px;font-size:10.5px;letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase}
.bignum+.bignum{border-left:1px solid var(--line)}
.bignum-row{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
@media(max-width:760px){
  .bignum-row{grid-template-columns:1fr}
  .bignum+.bignum{border-left:none;border-top:1px solid var(--line)}
  .bignum .n{font-size:44px}
}

/* ---------- 时间轴流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid var(--brand);margin-top:48px}
.flow .step{padding:28px 22px 28px 0;position:relative}
.flow .step::before{
  content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);
}
.flow .step .wk{font-family:var(--num);font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);margin-bottom:8px}
.flow .step h5{font-size:17px;margin-bottom:8px}
.flow .step p{font-size:13.5px;color:var(--ink-2);line-height:1.8}
@media(max-width:1000px){.flow{grid-template-columns:repeat(2,1fr);gap:8px 24px}}
@media(max-width:600px){.flow{grid-template-columns:1fr}}

/* ---------- 价格 ---------- */
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price .pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px 30px;position:relative;display:flex;flex-direction:column;height:100%}
.price .pcard.hot{border:2px solid var(--brand);box-shadow:var(--shadow)}
.price .badge{
  position:absolute;top:-13px;left:28px;height:26px;padding:0 14px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;letter-spacing:.06em;
}
.price h4{font-size:21px}
.price .pt{font-size:13px;color:var(--brand);font-weight:700;letter-spacing:.06em;margin:6px 0 16px}
.price .pd{font-size:13.5px;color:var(--ink-2);padding-bottom:20px;border-bottom:1px dashed var(--line);margin-bottom:20px;line-height:1.75}
.price ul{margin-bottom:26px;flex:1}
.price ul li{display:flex;gap:10px;padding:7px 0;font-size:14px;color:var(--ink-2);line-height:1.7}
.price ul li svg{width:15px;height:15px;flex:none;margin-top:5px;color:var(--wx)}
.price .pfoot{font-size:12.5px;color:var(--ink-3);margin-top:14px;text-align:center}
@media(max-width:1000px){.price{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 40px 22px 0;position:relative;
  font-size:16.5px;font-weight:600;transition:color .2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand)}
.faq summary::after{
  content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq details[open] summary{color:var(--brand)}
.faq .body{padding:0 40px 24px 0;font-size:15px;color:var(--ink-2);line-height:1.9}

/* ---------- 表单 ---------- */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px}
.field label .req{color:#D93025}
.field input[type=text],.field input[type=tel],.field input[type=email],.field input[type=password],
.field select,.field textarea{
  width:100%;border:1px solid var(--line-2);border-radius:var(--radius);background:#fff;
  padding:12px 14px;font-size:15px;transition:.2s;outline:none;
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,77,162,.10);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B6C7}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:#D93025}
.field.bad input,.field.bad textarea,.field.bad select{border-color:#D93025}
.field.bad .err{display:block}
@media(max-width:700px){.form-row{grid-template-columns:1fr;gap:0}}

/* ---------- 通用信息条 ---------- */
.infobox{
  display:flex;gap:18px;padding:26px;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:#fff;transition:.3s var(--ease);align-items:flex-start;
}
.infobox:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.infobox .ib-ico{width:46px;height:46px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;flex:none}
.infobox .ib-ico svg{width:21px;height:21px}
.infobox .k{font-size:12.5px;color:var(--ink-3);letter-spacing:.1em;margin-bottom:6px}
.infobox .v{font-size:16.5px;font-weight:700;font-family:var(--num);letter-spacing:.02em}
.infobox .s{font-size:13px;color:var(--ink-2);margin-top:5px;line-height:1.7}

/* ---------- 强调条 / CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;text-align:center;
  background:linear-gradient(120deg,#0B4DA2 0%,#0E66C8 45%,#00A6E0 100%);
  padding:84px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
.cta-band .wrap{position:relative;z-index:1}
.cta-band h2{font-size:38px;color:#fff;margin-bottom:16px;letter-spacing:-.02em}
.cta-band p{color:rgba(255,255,255,.82);font-size:17px;margin-bottom:32px}
.cta-phone{font-family:var(--num);font-size:44px;font-weight:700;letter-spacing:.02em;color:#fff;line-height:1.2}
.cta-meta{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.7)}
@media(max-width:900px){
  .cta-band{padding:60px 0}
  .cta-band h2{font-size:27px}
  .cta-phone{font-size:30px}
}

/* ---------- 页脚 ---------- */
.footer{background:var(--navy);color:rgba(255,255,255,.62);font-size:14px;padding:72px 0 0}
.footer .fg{display:grid;grid-template-columns:2fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:52px}
.footer h5{color:#fff;font-size:15px;font-weight:600;margin-bottom:20px;letter-spacing:.04em}
.footer .fb{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer .fb-m{
  width:44px;height:44px;flex:none;display:grid;place-items:center;background:none;border-radius:0;
}
.footer .fb-m img{width:100%;height:100%;object-fit:contain;display:block}
.footer .fb-m svg{width:20px;height:20px;color:#fff}
.footer .fb .cn{font-size:18px;font-weight:800;color:#fff;letter-spacing:.05em}
.footer .fb .en{font-size:9.5px;letter-spacing:.22em;color:rgba(255,255,255,.45);text-transform:uppercase;margin-top:3px}
.footer p.fdesc{line-height:1.95;max-width:340px}
.footer ul li{padding:7px 0}
.footer ul li a{transition:color .2s}
.footer ul li a:hover{color:#fff}
.footer .cbot{border-top:1px solid rgba(255,255,255,.10);padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.42)}
@media(max-width:1000px){.footer .fg{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:600px){.footer .fg{grid-template-columns:1fr}}

/* ---------- 会员 / 登录 ---------- */
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}
.auth-side{
  position:relative;overflow:hidden;color:#fff;display:flex;flex-direction:column;justify-content:space-between;
  padding:56px 60px;
  background:
    radial-gradient(900px 600px at 20% 20%,rgba(0,166,224,.30),transparent 60%),
    linear-gradient(155deg,#0A2550,#071A38 60%,#04122A);
}
.auth-side .grid-bg{
  position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 70% 70% at 40% 40%,#000,transparent);
  -webkit-mask-image:radial-gradient(ellipse 70% 70% at 40% 40%,#000,transparent);
}
.auth-side>*{position:relative;z-index:1}
.auth-side h2{font-size:36px;color:#fff;margin-bottom:16px;letter-spacing:-.02em}
.auth-side .sp{color:rgba(255,255,255,.7);line-height:1.9;font-size:15px;max-width:420px}
.auth-perk{margin-top:36px}
.auth-perk li{display:flex;gap:12px;padding:12px 0;font-size:14.5px;color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.10)}
.auth-perk li:last-child{border:none}
.auth-perk .tk{width:20px;height:20px;border-radius:50%;background:rgba(7,193,96,.22);display:grid;place-items:center;flex:none;margin-top:2px}
.auth-perk .tk svg{width:11px;height:11px;color:#4ADE80}
.auth-main{display:flex;align-items:center;justify-content:center;padding:56px 24px;background:#fff}
.auth-box{width:100%;max-width:400px}
.tabs{display:flex;gap:4px;padding:4px;background:var(--bg-soft);border-radius:10px;margin-bottom:32px}
.tabs button{
  flex:1;height:40px;border:none;background:none;border-radius:8px;font-size:14.5px;font-weight:600;
  color:var(--ink-2);cursor:pointer;transition:.22s;
}
.tabs button.on{background:#fff;color:var(--brand);box-shadow:var(--shadow-sm)}
.auth-title{font-size:28px;margin-bottom:8px}
.auth-tip{font-size:14px;color:var(--ink-3);margin-bottom:28px}
.auth-alt{text-align:center;margin-top:22px;font-size:14px;color:var(--ink-2)}
.auth-alt a{color:var(--brand);font-weight:600}
.auth-alt a:hover{text-decoration:underline}
@media(max-width:920px){
  .auth-wrap{grid-template-columns:1fr}
  .auth-side{display:none}
  .auth-main{padding:calc(var(--nav-h) + 40px) 20px 60px;align-items:flex-start}
}

/* ---------- 会员中心 ---------- */
.acct{display:grid;grid-template-columns:250px 1fr;gap:34px;align-items:start}
.acct-side{border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;overflow:hidden;position:sticky;top:calc(var(--nav-h) + 24px)}
.acct-head{padding:26px 22px;background:linear-gradient(140deg,#0B4DA2,#00A6E0);color:#fff;text-align:center}
.acct-head .av{width:60px;height:60px;border-radius:50%;margin:0 auto 12px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:22px;font-weight:700;border:2px solid rgba(255,255,255,.4)}
.acct-head .nm{font-size:17px;font-weight:700}
.acct-head .em{font-size:12.5px;color:rgba(255,255,255,.75);word-break:break-all;margin-top:3px}
.acct-nav{padding:10px}
.acct-nav button{
  width:100%;display:flex;align-items:center;gap:11px;padding:11px 13px;border:none;background:none;
  border-radius:8px;font-size:14.5px;color:var(--ink-2);cursor:pointer;text-align:left;transition:.2s;
}
.acct-nav button svg{width:16px;height:16px;flex:none}
.acct-nav button:hover{background:var(--bg-soft);color:var(--ink)}
.acct-nav button.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.acct-nav .sep{height:1px;background:var(--line);margin:8px 4px}
.acct-main{min-height:420px}
.panel{display:none}
.panel.on{display:block;animation:fadeUp .35s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.panel h3{font-size:22px;margin-bottom:6px}
.panel .ph{font-size:14px;color:var(--ink-3);margin-bottom:24px}
@media(max-width:900px){
  .acct{grid-template-columns:1fr;gap:20px}
  .acct-side{position:static}
}

/* 数据列表 */
.dlist{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
.dlist .drow{display:grid;grid-template-columns:1.6fr 1fr .8fr .9fr;gap:14px;padding:16px 22px;border-bottom:1px solid var(--line);align-items:center;font-size:14.5px}
.dlist .drow:last-child{border-bottom:none}
.dlist .drow.head{background:var(--bg-soft);font-size:12.5px;color:var(--ink-3);letter-spacing:.08em;font-weight:700}
.dlist .drow .sub{font-size:12.5px;color:var(--ink-3);margin-top:3px}
.tagpill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em}
.tagpill.new{background:#FFF3E5;color:#C77700}
.tagpill.read{background:var(--brand-soft);color:var(--brand)}
.tagpill.done{background:var(--wx-soft);color:#099B4F}
.empty{padding:56px 22px;text-align:center;color:var(--ink-3);font-size:14.5px}
.empty svg{width:44px;height:44px;color:var(--line-2);margin-bottom:14px}
@media(max-width:800px){
  .dlist .drow{grid-template-columns:1fr;gap:4px}
  .dlist .drow.head{display:none}
  .dlist .drow{border-bottom:1px solid var(--line)}
}

/* 文件上传 */
.drop{
  border:2px dashed var(--line-2);border-radius:var(--radius-lg);padding:36px 24px;text-align:center;
  background:var(--bg-soft);cursor:pointer;transition:.25s var(--ease);
}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--brand-soft)}
.drop svg{width:40px;height:40px;color:var(--brand);margin-bottom:14px}
.drop .t1{font-size:15.5px;font-weight:600;margin-bottom:6px}
.drop .t2{font-size:13px;color:var(--ink-3)}
.files{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.files .f{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.25s}
.files .f:hover{box-shadow:var(--shadow-sm);border-color:var(--line-2)}
.files .f .th{aspect-ratio:1.6/1;background:var(--bg-soft);display:grid;place-items:center;overflow:hidden}
.files .f .th img{width:100%;height:100%;object-fit:cover}
.files .f .th svg{width:34px;height:34px;color:var(--ink-3)}
.files .f .meta{padding:10px 12px}
.files .f .nm{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.files .f .sz{font-size:11.5px;color:var(--ink-3);margin-top:3px;display:flex;justify-content:space-between;gap:8px}
.files .f .del{cursor:pointer;color:#D93025}
@media(max-width:800px){.files{grid-template-columns:repeat(2,1fr)}}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:38px;transform:translate(-50%,140%);z-index:999;
  background:var(--navy);color:#fff;padding:15px 26px;border-radius:10px;font-size:14.5px;
  box-shadow:var(--shadow-lg);opacity:0;transition:all .34s var(--ease);max-width:92vw;text-align:center;
  display:flex;align-items:center;gap:10px;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast i{width:8px;height:8px;border-radius:50%;background:var(--wx);flex:none}
.toast b{color:var(--tec);font-family:var(--num)}

/* ---------- 滚动浮现 ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms!important}
}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--ink-3);display:flex;gap:8px;align-items:center}
.crumb a:hover{color:var(--brand)}
.pagehead{
  padding:calc(var(--nav-h) + 66px) 0 58px;color:#fff;position:relative;overflow:hidden;
  background:
    radial-gradient(800px 460px at 78% 30%,rgba(0,166,224,.28),transparent 62%),
    linear-gradient(155deg,#0A2550 0%,#071A38 62%,#04122A 100%);
}
.pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 70% at 60% 30%,#000,transparent);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 60% 30%,#000,transparent);
}
.pagehead .wrap{position:relative;z-index:1}
.pagehead h1{font-size:44px;color:#fff;margin:18px 0 14px;letter-spacing:-.02em}
.pagehead .psub{font-size:16.5px;color:rgba(255,255,255,.7);max-width:620px;line-height:1.85}
@media(max-width:900px){
  .pagehead{padding:calc(var(--nav-h) + 40px) 0 40px}
  .pagehead h1{font-size:29px}
}

/* ---------- 微调工具类 ---------- */
.hs-ar{display:inline-block;transition:transform .2s var(--ease)}
.btn:hover .hs-ar{transform:translateX(3px)}
.spin{
  display:inline-block;width:14px;height:14px;border-radius:50%;margin-right:8px;vertical-align:-2px;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;animation:sp .7s linear infinite;
}
.btn-line .spin{border-color:var(--line-2);border-top-color:var(--brand)}
@keyframes sp{to{transform:rotate(360deg)}}
.mono{font-family:var(--num)}

/* ---------- 备案链接 ---------- */
.beian a{color:rgba(255,255,255,.42);transition:color .2s}
.beian a:hover{color:rgba(255,255,255,.8)}

/* ---------- 滚动进度条 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:2.5px;z-index:400;
  background:linear-gradient(90deg,var(--brand),var(--tec),var(--wx));
  transform-origin:0 50%;transform:scaleX(0);pointer-events:none;
}

/* ---------- 回到顶部 ---------- */
.backtop{
  position:fixed;right:26px;bottom:30px;z-index:150;width:46px;height:46px;
  border-radius:12px;border:1px solid var(--line-2);background:rgba(255,255,255,.92);
  color:var(--brand);cursor:pointer;display:grid;place-items:center;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(14px);
  transition:.3s var(--ease);backdrop-filter:blur(8px);
}
.backtop svg{width:20px;height:20px}
.backtop:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-3px)}
.backtop.show{opacity:1;visibility:visible;transform:none}

/* ---------- 跑马灯（无缝滚动） ---------- */
.marquee{
  overflow:hidden;position:relative;white-space:nowrap;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee-track{display:inline-flex;align-items:center;gap:56px;padding-right:56px;animation:marq 28s linear infinite;will-change:transform}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee .mi{display:inline-flex;align-items:center;gap:12px;font-size:15px;color:var(--ink-2);font-weight:600;letter-spacing:.04em}
.marquee .mi svg{width:20px;height:20px;color:var(--brand);opacity:.75}
.marquee .mi i{color:var(--line-2);font-style:normal}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 卡片高光扫过 ---------- */
.shine{position:relative;overflow:hidden}
.shine::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg);transition:left .65s var(--ease);pointer-events:none;
}
.shine:hover::after{left:140%}

/* ---------- Hero 标题渐变流动 ---------- */
.hero h1 .hl{
  background:linear-gradient(96deg,#6FD3FF,#8FE3D6,#B7F0C8,#6FD3FF);
  background-size:280% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:hueSlide 7s ease-in-out infinite;
}
@keyframes hueSlide{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

/* ---------- 悬浮上下 ---------- */
.float-y{animation:floatY 7s ease-in-out infinite}
.float-y.slow{animation-duration:10s}
.float-y.fast{animation-duration:5s}

/* ---------- 深色区块角标网格 ---------- */
.grid-deco{
  position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:30px 30px;
  mask-image:radial-gradient(ellipse 60% 60% at 50% 50%,#000,transparent);
  -webkit-mask-image:radial-gradient(ellipse 60% 60% at 50% 50%,#000,transparent);
}

/* ---------- 数字下划线扫入 ---------- */
.uline{position:relative;display:inline-block}
.uline::after{
  content:"";position:absolute;left:0;bottom:-4px;height:3px;width:100%;
  background:linear-gradient(90deg,var(--brand),var(--tec));
  transform:scaleX(0);transform-origin:0 50%;transition:transform .6s var(--ease) .2s;border-radius:2px;
}
.in .uline::after,.rv.in .uline::after{transform:scaleX(1)}

/* ==========================================================================
   微信广告投放版位展示（参考微盟星启结构 + 自有亮点）
   ========================================================================== */

/* 什么是微信营销 横幅 */
.wxs-hero{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);color:#fff;
  background:
    radial-gradient(700px 400px at 85% 20%,rgba(7,193,96,.28),transparent 62%),
    radial-gradient(600px 380px at 10% 90%,rgba(0,166,224,.30),transparent 60%),
    linear-gradient(140deg,#0B4DA2 0%,#0E2C57 55%,#071A38 100%);
  padding:52px 54px;display:flex;gap:48px;align-items:center;
}
.wxs-hero h3{font-size:34px;color:#fff;margin-bottom:16px;letter-spacing:-.01em}
.wxs-hero .def{font-size:16.5px;line-height:2;color:rgba(255,255,255,.82);max-width:640px}
.wxs-hero .def b{color:#8FE3D6;font-weight:700}
.wxs-hero .kws{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.wxs-hero .kws span{
  height:32px;padding:0 14px;display:inline-flex;align-items:center;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;
}
.wxs-hero .shot{flex:none;width:300px;border-radius:14px;overflow:hidden;box-shadow:0 22px 54px rgba(0,0,0,.4);position:relative}
.wxs-hero .shot img{width:100%;display:block}
.wxs-hero .shot .stamp{
  position:absolute;left:10px;top:10px;background:rgba(7,193,96,.92);color:#fff;
  font-size:11px;padding:4px 10px;border-radius:999px;font-weight:700;letter-spacing:.05em;
}
@media(max-width:960px){
  .wxs-hero{flex-direction:column-reverse;padding:34px 22px;gap:28px}
  .wxs-hero h3{font-size:26px}
  .wxs-hero .def{font-size:15px}
  .wxs-hero .shot{width:min(260px,80%)}
}

/* 版位 Tab */
.pos-tabs{
  display:flex;gap:6px;flex-wrap:wrap;margin:44px 0 0;
  border-bottom:1px solid var(--line);
}
.pos-tabs button{
  border:none;background:none;cursor:pointer;padding:15px 22px;font-size:15.5px;font-weight:600;
  color:var(--ink-2);position:relative;transition:color .2s;border-radius:8px 8px 0 0;
}
.pos-tabs button:hover{color:var(--brand);background:var(--brand-soft)}
.pos-tabs button.on{color:var(--brand)}
.pos-tabs button.on::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;
  background:var(--brand);border-radius:3px 3px 0 0;
}
.pos-panel{display:none;padding-top:44px;animation:fadeUp .45s var(--ease)}
.pos-panel.on{display:block}
.pos-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.pos-info .pt-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--wx);
  background:var(--wx-soft);padding:6px 12px;border-radius:999px;margin-bottom:18px;
}
.pos-info h3{font-size:28px;margin-bottom:14px}
.pos-info .desc{font-size:15.5px;color:var(--ink-2);line-height:1.95;margin-bottom:22px}
.pos-info .goals{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.pos-info .goals span{
  font-size:13px;color:var(--ink-2);border:1px solid var(--line-2);border-radius:999px;padding:6px 13px;transition:.2s;
}
.pos-info .goals span:hover,.pos-info .goals span.on{
  color:var(--brand);border-color:var(--brand);background:var(--brand-soft);font-weight:600;
}
.pos-goal-detail{
  margin-top:18px;padding:18px 20px;border-left:3px solid var(--wx);
  background:var(--wx-soft);border-radius:0 var(--radius) var(--radius) 0;
  font-size:14.5px;color:var(--ink-2);line-height:1.9;min-height:96px;
}
.pos-goal-detail b{color:var(--ink)}
/* 版位图：紧凑手机框（参考微盟星启，不再全屏大图） */
.pos-grid{grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:52px;align-items:center}
.pos-shot{
  margin:0 auto;width:100%;max-width:300px;
  border-radius:26px;overflow:hidden;background:#fff;
  border:1px solid var(--line-2);
  box-shadow:0 16px 40px rgba(11,31,58,.13);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.pos-shot:hover{transform:translateY(-4px);box-shadow:0 24px 54px rgba(11,31,58,.18)}
.pos-shot img{width:100%;display:block;max-height:520px;object-fit:cover;object-position:top center}
.pos-shot figcaption{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  padding:11px 15px 13px;border-top:1px solid var(--line);background:#fff;
}
.pos-shot .chip{
  font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:3px 10px;white-space:nowrap;
}
.pos-shot .cap{font-size:12.5px;color:var(--ink-2);line-height:1.5}
.pos-all{margin-top:64px;padding-top:52px;border-top:1px solid var(--line)}
.pos-all-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pa{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;padding:22px 22px 20px;transition:.28s var(--ease);
}
.pa:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow)}
.pa .n{
  font-family:var(--num);font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--brand);display:block;margin-bottom:10px;
}
.pa h5{font-size:17px;margin-bottom:8px}
.pa p{font-size:13.5px;color:var(--ink-2);line-height:1.85}
.pa.on{border-color:rgba(11,77,162,.35);background:linear-gradient(180deg,#fff,var(--brand-soft))}
.pa.on::after{
  content:"已在投";position:absolute;top:16px;right:16px;font-size:10.5px;font-weight:700;
  letter-spacing:.08em;color:#099B4F;background:var(--wx-soft);border-radius:999px;padding:3px 9px;
}
@media(max-width:1000px){.pos-all-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.pos-all-grid{grid-template-columns:1fr}}
@media(max-width:960px){
  .pos-grid{grid-template-columns:1fr;gap:28px}
  .pos-tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .pos-tabs button{white-space:nowrap;flex:none}
  .pos-shot{max-width:260px}
  .pos-shot img{max-height:440px}
}

/* 广告截图 + 关键信息放大遮盖 */
.adshot{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;background:#0e1626;
  box-shadow:var(--shadow);
}
.adshot img{width:100%;display:block;transition:transform .6s var(--ease)}
.adshot:hover img{transform:scale(1.03)}
.adshot::before{ /* 全图轻微压暗，突出遮盖层 */
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,20,40,.05) 30%,rgba(7,20,40,.45) 100%);
}
.adshot-cover{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
  background:rgba(10,26,52,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:20px 22px;color:#fff;
}
.adshot-cover .k{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.14em;color:#8FE3D6;
  border:1px solid rgba(143,227,214,.4);border-radius:999px;padding:3px 10px;margin-bottom:10px;
}
.adshot-cover .big{
  display:block;font-size:27px;font-weight:800;line-height:1.3;letter-spacing:-.01em;
  background:linear-gradient(96deg,#fff,#B7F0C8);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.adshot-cover .d{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.7}
@media(max-width:600px){.adshot-cover{padding:14px 16px}.adshot-cover .big{font-size:20px}}

/* 搜一搜 纯CSS模拟 */
.adshot-mock{
  position:relative;aspect-ratio:9/16.5;max-width:340px;margin:0 auto;
  border-radius:var(--radius-lg);overflow:hidden;background:#F6F7F9;box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.adshot-mock .bar{
  height:54px;background:#fff;display:flex;align-items:center;gap:10px;padding:0 16px;border-bottom:1px solid var(--line);
}
.adshot-mock .bar .box{
  flex:1;height:34px;border-radius:17px;background:#F2F3F7;display:flex;align-items:center;gap:8px;padding:0 14px;
  color:#9AA7B6;font-size:13px;
}
.adshot-mock .zone{
  margin:14px;border-radius:14px;overflow:hidden;box-shadow:0 10px 26px rgba(11,31,58,.14);background:#fff;
}
.adshot-mock .zone .head{
  background:linear-gradient(120deg,#0B4DA2,#0E66C8 60%,#00A6E0);color:#fff;padding:18px 16px 14px;
}
.adshot-mock .zone .head .bn{font-size:20px;font-weight:800;letter-spacing:.02em}
.adshot-mock .zone .head .sl{font-size:11.5px;opacity:.85;margin-top:4px;letter-spacing:.06em}
.adshot-mock .zone .links{display:flex;gap:8px;padding:12px 14px}
.adshot-mock .zone .links span{
  font-size:11.5px;color:var(--brand);background:var(--brand-soft);border-radius:8px;padding:5px 10px;
}
.adshot-mock .item{display:flex;gap:10px;padding:10px 16px;align-items:flex-start}
.adshot-mock .item .t{font-size:13px;color:var(--ink);line-height:1.5}
.adshot-mock .item .m{font-size:11px;color:#9AA7B6;margin-top:3px}
.adshot-mock .tagb{
  position:absolute;top:64px;right:14px;background:rgba(7,193,96,.92);color:#fff;font-size:10.5px;
  padding:3px 9px;border-radius:999px;font-weight:700;
}

/* 我们自己的广告在跑 */
.own-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.own-grid .adshot{aspect-ratio:9/17}
.own-grid .adshot img{height:100%;object-fit:cover;object-position:top}
.own-grid .adshot-cover{padding:12px 13px}
.own-grid .adshot-cover .big{font-size:15.5px;-webkit-background-clip:text;background-clip:text}
.own-grid .adshot-cover .d{font-size:11px;margin-top:5px}
@media(max-width:1000px){.own-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.own-grid{grid-template-columns:1fr}.own-grid .adshot{aspect-ratio:auto}}

/* ==========================================================================
   AI 可见度速测
   ========================================================================== */
.aitest{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;
}
.aitest-head{
  background:
    radial-gradient(500px 300px at 80% 0%,rgba(0,166,224,.35),transparent 60%),
    linear-gradient(130deg,#0B4DA2,#0E2C57 70%,#071A38);
  color:#fff;padding:40px 44px;
}
.aitest-head h3{font-size:27px;color:#fff;margin-bottom:10px}
.aitest-head p{color:rgba(255,255,255,.75);font-size:14.5px;line-height:1.8;max-width:640px}
.aitest-body{padding:36px 44px 44px}
.aitest-form{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:14px;align-items:end}
.aitest-form .field{margin:0}
.aitest-form .btn{height:46px}
@media(max-width:860px){.aitest-form{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.aitest-head,.aitest-body{padding:26px 20px}.aitest-form{grid-template-columns:1fr}}

.aitest-res{display:none;margin-top:34px}
.aitest-res.show{display:block;animation:fadeUp .5s var(--ease)}
.aitest-res .query-echo{
  font-size:13.5px;color:var(--ink-3);margin-bottom:20px;padding-left:12px;border-left:3px solid var(--tec);
}
.ai-row{
  display:grid;grid-template-columns:150px 1fr 1fr;gap:16px;align-items:center;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;background:#fff;
  transition:.25s var(--ease);
}
.ai-row:hover{border-color:var(--tec);box-shadow:var(--shadow-sm)}
.ai-row .nm{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15.5px}
.ai-row .nm i{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-style:normal;
  font-size:15px;font-weight:800;color:#fff;flex:none;
}
.ai-row .bar-k{font-size:11.5px;color:var(--ink-3);letter-spacing:.08em;margin-bottom:5px}
.ai-row .bar{height:8px;border-radius:4px;background:var(--bg-soft);overflow:hidden}
.ai-row .bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--brand),var(--tec));width:0;transition:width 1.1s var(--ease)}
.ai-row .rank{font-family:var(--num);font-weight:700;font-size:20px;color:var(--brand);margin-top:2px}
.ai-row .rank em{font-style:normal;font-size:12px;color:var(--ink-3);font-family:var(--font);margin-left:4px;font-weight:400}
.ai-row .top1 .rank{color:var(--wx)}
.ai-row .top1 .bar i{background:linear-gradient(90deg,#07C160,#0BD07A)}
.ai-note{font-size:12.5px;color:var(--ink-3);line-height:1.8;margin-top:18px}
@media(max-width:760px){
  .ai-row{grid-template-columns:1fr;gap:10px}
  .ai-row .cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}
}


/* ==========================================================================
   会员功能未开放时的说明页（app.js initAuthGate 动态插入）
   ========================================================================== */
.auth-off {
  max-width: 560px;
  margin: 40px auto 80px;
  padding: 48px 32px 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(11, 31, 58, .06);
  text-align: center;
}
.auth-off .ao-ic {
  width: 64px; height: 64px;
  margin: 0 auto 22px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft);
  color: var(--brand);
}
.auth-off .ao-ic svg { width: 30px; height: 30px; }
.auth-off h2 { font-size: 22px; margin-bottom: 14px; letter-spacing: -.01em; }
.auth-off p { font-size: 14.5px; color: var(--ink-2); line-height: 1.95; margin-bottom: 26px; }
.auth-off .ao-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.auth-off .ao-back {
  display: inline-block; margin-top: 22px;
  font-size: 13.5px; color: var(--ink-3); text-decoration: underline; text-underline-offset: 3px;
}
.auth-off .ao-back:hover { color: var(--brand); }
@media (max-width: 640px) {
  .auth-off { margin: 24px 16px 60px; padding: 36px 20px 32px; }
}

/* ---------------- AI 速测结果 v2（评分卡 + 状态 + 原话 + 建议） ---------------- */
.ai-score{
  display:flex;gap:22px;align-items:center;flex-wrap:wrap;
  background:linear-gradient(135deg,#0B4DA2,#0E2C57 75%,#071A38);
  border-radius:var(--radius);padding:22px 26px;margin-bottom:14px;color:#fff;
}
.ai-score .as-left{display:flex;align-items:center;gap:16px}
.ai-score .as-num{font-family:var(--num);font-size:46px;font-weight:700;line-height:1}
.ai-score .as-cap{font-size:12px;color:rgba(255,255,255,.66);letter-spacing:.06em;margin-top:6px}
.ai-score .as-grade{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  font-size:21px;font-weight:800;background:rgba(255,255,255,.16);flex:none;
}
.ai-score .as-main{flex:1;min-width:220px}
.ai-score .as-verdict{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.92)}
.ai-score .as-stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.ai-score .as-stats span{
  font-size:12px;height:26px;display:inline-flex;align-items:center;padding:0 12px;
  border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
}
.ai-row{grid-template-columns:150px 1fr;row-gap:10px}
.ai-row .cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;min-width:0}
.ai-row .st{
  display:inline-block;font-size:11px;font-weight:700;border-radius:999px;
  padding:2px 9px;margin-left:8px;vertical-align:2px;font-family:var(--font);
}
.ai-row.st-ok   .st{background:var(--wx-soft);color:#099B4F}
.ai-row.st-mid  .st{background:#FFF4E5;color:#B26A00}
.ai-row.st-no   .st{background:#FDEBEA;color:#C0392B}
.ai-row .quote{
  grid-column:1/-1;font-size:13px;color:var(--ink-2);line-height:1.8;
  background:var(--bg-soft);border-radius:8px;padding:10px 14px;
}
.ai-row .quote b{color:var(--brand)}
.ai-adv{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:20px 22px;margin-top:14px}
.ai-adv h5{font-size:15.5px;margin-bottom:4px}
.ai-adv .sub{font-size:12.5px;color:var(--ink-3);margin-bottom:6px}
.ai-adv .it{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-top:1px dashed var(--line);font-size:13.5px;line-height:1.75;color:var(--ink-2)}
.ai-adv .it b{color:var(--ink)}
.ai-adv .p{flex:none;font-size:11px;font-weight:700;border-radius:999px;padding:3px 10px;margin-top:2px;letter-spacing:.04em}
.ai-adv .p.high{background:#FDEBEA;color:#C0392B}
.ai-adv .p.mid{background:#FFF4E5;color:#B26A00}
.ai-adv .p.low{background:var(--tec-soft);color:#0087B8}
/* 逐条浮现 */
.aitest-res .ai-score,.aitest-res .ai-row,.aitest-res .ai-adv{opacity:0;transform:translateY(12px)}
.aitest-res .ai-score.in,.aitest-res .ai-row.in,.aitest-res .ai-adv.in{opacity:1;transform:none;transition:.5s var(--ease)}
@media(max-width:760px){
  .ai-row .cols{grid-template-columns:1fr;gap:12px}
  .ai-score{padding:18px}
}