/* 卓智官网 v3 · B 强玻璃（即梦式）— 设计规范见 运营中心/.../03-draft/官网设计v3/DESIGN.md */
:root{
  /* 白天（默认） */
  --bg:#FAF8F5; --bg2:#F2EEE8; --bg-foot:#EEE9E2;
  --surf-a:rgba(255,255,255,.92); --surf-b:rgba(255,255,255,.78); --surf-ha:#fff; --surf-hb:rgba(255,255,255,.95);
  --line:rgba(28,25,23,.11); --line-s:rgba(28,25,23,.20); --line-hi:rgba(255,255,255,.9);
  --text:#1C1917; --text2:#44403C; --muted:#78716C;
  --fill:rgba(28,25,23,.035); --fill2:rgba(28,25,23,.06); --fill3:rgba(28,25,23,.10); --step-bg:rgba(255,255,255,.72);
  --nav-bg:rgba(255,255,255,.78); --menu-bg:#fff; --tab-bg:rgba(255,255,255,.94);
  --mega-bg:linear-gradient(180deg,#FFFFFF,#FCF9F6); --drawer-bg:#FBF8F4;
  --shadow:0 10px 30px rgba(28,25,23,.07); --shadow-lg:0 24px 60px rgba(28,25,23,.12);
  --input-bg:#fff; --window-bg:#fff; --dot:rgba(28,25,23,.16); --grid-line:rgba(28,25,23,.05); --badge-bg:rgba(255,255,255,.9); --scrim:rgba(28,25,23,.35);
  --glow1:rgba(201,100,66,.20); --glow2:rgba(232,160,120,.16); --glow3:rgba(201,100,66,.09);
  --brand:#C96442; --brand-hi:#B95536; --brand-ink:#B04E2C; --brand-soft:rgba(201,100,66,.10);
  --ok:#16A34A; --wip:#D97706;
  --r:20px; --r-lg:24px; --r-sm:12px;
  --font:"Plus Jakarta Sans","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","Noto Sans SC","PingFang SC",monospace;
  --maxw:1200px;
  color-scheme:light;
}
html[data-theme="dark"]{
  /* 夜间：底色提亮、卡片与文字拉开对比 */
  --bg:#141417; --bg2:#1A1A1F; --bg-foot:#101013;
  --surf-a:rgba(255,255,255,.10); --surf-b:rgba(255,255,255,.065); --surf-ha:rgba(255,255,255,.14); --surf-hb:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.13); --line-s:rgba(255,255,255,.22); --line-hi:rgba(255,255,255,.18);
  --text:#FAFAF9; --text2:#CFCFD6; --muted:#9C9CA6;
  --fill:rgba(255,255,255,.05); --fill2:rgba(255,255,255,.08); --fill3:rgba(255,255,255,.13); --step-bg:rgba(255,255,255,.05);
  --nav-bg:rgba(22,22,26,.75); --menu-bg:#202026; --tab-bg:rgba(20,20,24,.94);
  --mega-bg:linear-gradient(180deg,#232329,#1C1C21); --drawer-bg:#17171B;
  --shadow:0 20px 60px rgba(0,0,0,.30); --shadow-lg:0 30px 80px rgba(0,0,0,.45);
  --input-bg:rgba(0,0,0,.22); --window-bg:rgba(30,30,36,.88); --dot:rgba(255,255,255,.22); --grid-line:rgba(255,255,255,.04); --badge-bg:rgba(20,20,24,.8); --scrim:rgba(0,0,0,.6);
  --glow1:rgba(201,100,66,.30); --glow2:rgba(190,90,90,.16); --glow3:rgba(201,100,66,.14);
  --brand:#C96442; --brand-hi:#D9774F; --brand-ink:#E8865F; --brand-soft:rgba(201,100,66,.16);
  --ok:#4ADE80; --wip:#FBBF24;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;background:var(--bg);transition:background .25s,color .25s;color:var(--text);font-family:var(--font);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)} .sub{color:var(--text2)}
.brand{color:var(--brand-ink)}

/* 背景光晕 */
.glow-stage{position:relative;isolation:isolate;overflow-x:clip}
.glow-stage::before{content:"";position:absolute;z-index:-1;top:-180px;right:-160px;width:880px;height:720px;border-radius:50%;
  background:radial-gradient(closest-side,var(--glow1),transparent 70%);filter:blur(40px);pointer-events:none}
.glow-stage::after{content:"";position:absolute;z-index:-1;bottom:-120px;left:-200px;width:720px;height:560px;border-radius:50%;
  background:radial-gradient(closest-side,var(--glow2),transparent 70%);filter:blur(40px);pointer-events:none}
.grid-bg{background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:64px 64px;-webkit-mask-image:linear-gradient(#000,transparent 85%);mask-image:linear-gradient(#000,transparent 85%)}
.section{padding:68px 0;position:relative;overflow-x:clip}
.section.tight{padding:44px 0}
.section.alt{background:var(--bg2)}
.section.glow::before{content:"";position:absolute;z-index:0;top:10%;right:-10%;width:560px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,var(--glow3),transparent 70%);filter:blur(40px);pointer-events:none}
.section > .wrap{position:relative;z-index:1}

/* 导航 */
.nav{position:sticky;top:16px;z-index:50;max-width:calc(var(--maxw) + 64px);margin:16px auto 0;padding:0 16px}
.nav-in{display:flex;align-items:center;gap:24px;height:60px;padding:0 16px 0 22px;border-radius:16px;
  background:var(--nav-bg);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%)}
.logo{display:flex;align-items:center;gap:10px;white-space:nowrap}
.logo b{font-weight:600;font-size:18px;letter-spacing:.02em}
.logo i{width:1px;height:14px;background:var(--line-s)}
.logo span{font-family:var(--mono);font-size:12px;letter-spacing:.24em;color:var(--text2)}
.nav-in{position:relative}
.nav-links{display:flex;gap:2px;margin:0 auto;align-self:stretch;align-items:center}
.nav-links > a,.dd-top{font:500 14px var(--font);color:var(--text2);padding:8px 11px;border-radius:10px;display:inline-flex;align-items:center;gap:3px;white-space:nowrap;transition:color .12s,background .12s}
@media (max-width:1240px){.nav-links > a,.dd-top{padding:8px 8px}}
.nav-links > a:hover,.dd-top:hover,.nav-links .on{color:var(--text)}
.nav-links .on{color:var(--brand-ink)}
/* 方案 A 大面板：面板挂在 .dd 里（DOM 后代），定位相对 .nav-in 居中；.dd 撑满导航高度，面板上沿 14px 透明桥接，关闭 150ms 延迟（v3.js） */
.dd{display:flex;align-items:center;align-self:stretch}
.dd-chev{width:14px!important;height:14px!important;opacity:.65;transition:transform .15s}
.dd.open .dd-top{color:var(--brand-ink);background:var(--brand-soft)}
.dd.open .dd-chev{transform:rotate(180deg);opacity:1}
.mega{position:absolute;top:calc(100% + 10px);left:50%;width:min(960px,calc(100vw - 48px));z-index:5;
  transform:translate(-50%,6px);opacity:0;visibility:hidden;transition:opacity .14s ease,transform .14s ease,visibility 0s linear .14s;
  background:var(--mega-bg);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lg),inset 0 1px 0 var(--line-hi);text-align:left}
.mega-sm{width:min(780px,calc(100vw - 48px))}
.mega::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
.dd.open .mega{opacity:1;visibility:visible;transform:translate(-50%,0);transition-delay:0s}
.nav-links.has-open .dd:not(.open) .mega{transition:none}
.mg-cols{display:grid;padding:26px 28px 20px}
.mg-col{display:flex;flex-direction:column;min-width:0;padding:0 24px;border-left:1px solid var(--line)}
.mg-col:first-child{padding-left:0;border-left:0} .mg-col:last-child{padding-right:0}
.mg-head{display:flex;align-items:baseline;gap:8px;white-space:nowrap;padding:0 10px 12px;margin-bottom:8px;border-bottom:1px solid var(--line)}
.mg-label{font:600 11px var(--mono);letter-spacing:.14em;color:var(--brand-ink)}
.mg-sl{color:var(--line-s);font-size:13px}
.mg-head b{font-size:15px;font-weight:600;color:var(--text)}
.mg-badge{margin-left:auto;align-self:center;font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:1px 9px;white-space:nowrap}
.mg-items{display:grid;gap:2px}
.mg-grid{grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:4px 10px}
.mg-item{display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:12px;color:var(--text);transition:background .12s}
.mg-item:hover,.mg-item:focus-visible,.mg-vid:hover,.mg-vid:focus-visible,.mg-post:hover,.mg-post:focus-visible{background:var(--fill2);outline:none}
.mega .ic{width:36px;height:36px;border-radius:10px}
.mega .ic svg,.mega .ic svg.i{width:18px;height:18px}
.mg-t{min-width:0;display:block}
.mg-t b{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:14px;font-weight:600;line-height:1.4}
.mg-t b em{font:500 10.5px var(--font);font-style:normal;color:var(--wip);border:1px solid currentColor;border-radius:999px;padding:0 7px;line-height:17px}
.mg-t small{display:block;font-size:12.5px;color:var(--muted);line-height:1.5;margin-top:2px}
.mg-ext{width:14px!important;height:14px!important;margin:4px 0 0 auto;color:var(--muted);flex:none}
.mg-intro{margin:2px 10px 0;font-size:13px;line-height:1.6;color:var(--text2);padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--fill)}
.mg-chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 10px 0}
.mg-chip{display:flex;align-items:center;gap:8px;min-width:0;padding:9px 12px;border:1px solid var(--line);border-radius:12px;font-size:13px;font-weight:500;color:var(--text);background:var(--surf-b);white-space:nowrap}
.mg-chip i{flex:none;width:6px;height:6px;border-radius:50%;background:var(--wip)}
.mg-chip:hover,.mg-chip:focus-visible{border-color:var(--line-s);background:var(--fill2);outline:none}
.mg-vids{display:grid;gap:6px}
.mg-vid{display:flex;gap:12px;align-items:center;padding:8px 10px;border-radius:12px;color:var(--text)}
.mg-thumb{position:relative;flex:none;width:60px;height:96px;border-radius:10px;overflow:hidden;background:#1C1917;border:1px solid var(--line)}
.mg-thumb img{width:100%;height:100%;object-fit:cover}
.mg-thumb .badge-ai{top:4px;right:4px;font-size:9px;padding:1px 4px;border-radius:4px}
.mg-play{position:absolute;left:50%;top:55%;width:22px!important;height:22px!important;transform:translate(-50%,-50%);color:#fff;filter:drop-shadow(0 1px 4px rgba(0,0,0,.6))}
.mg-vid .mg-t b{font-weight:500;font-size:13.5px}
.mg-posts{display:grid;gap:2px}
.mg-post{display:block;padding:9px 10px;border-radius:10px;color:var(--text)}
.mg-post b{font-weight:500;font-size:13.5px;line-height:1.45}
.mg-foot{margin-top:auto;padding-top:12px;display:grid;gap:12px;justify-items:start}
.mg-foot:empty{display:none}
.mg-more,.mg-barlink{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:500;color:var(--brand-ink);padding:4px 10px}
.mg-more svg,.mg-barlink svg{width:14px;height:14px;transition:transform .12s}
.mg-more:hover svg,.mg-barlink:hover svg{transform:translateX(2px)}
.mg-note{display:flex;gap:8px;font-size:12px;color:var(--muted);line-height:1.55;padding:0 10px}
.mg-note svg{width:14px;height:14px;flex:none;margin-top:2px}
.mg-card{justify-self:stretch;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--surf-b)}
.mg-card b{display:block;font-size:14px;font-weight:600}
.mg-card small{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.mg-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 28px;border-top:1px solid var(--line);background:var(--fill);border-radius:0 0 22px 22px}
.mg-barlink{padding:4px 0}
.mg-bar .mg-barlink:not(:last-child){color:var(--text2);font-weight:400}
.mg-bar .mg-barlink:not(:last-child):hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text2);white-space:nowrap}
.nav-right a:hover{color:var(--text)}
/* 黑白切换 */
.theme-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:var(--fill2);color:var(--text2);cursor:pointer}
.theme-btn:hover{color:var(--text);border-color:var(--line-s)}
.theme-btn svg{width:17px;height:17px}
.theme-btn .t-sun{display:none} html[data-theme="dark"] .theme-btn .t-sun{display:block} html[data-theme="dark"] .theme-btn .t-moon{display:none}
.nav-burger{display:none;background:none;border:0;color:var(--text);cursor:pointer;padding:6px}
/* 手机抽屉（≤960px，方案 A4） */
.drawer{position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;background:var(--drawer-bg);color:var(--text)}
.drawer[hidden]{display:none}
.dr-head{display:flex;align-items:center;justify-content:space-between;height:64px;flex:none;padding:0 12px 0 22px;border-bottom:1px solid var(--line)}
.dr-close{width:44px;height:44px;border:0;background:none;color:var(--text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border-radius:12px}
.dr-close svg{width:22px;height:22px}
.dr-body{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:12px 14px;display:grid;gap:4px;align-content:start}
.dr-item{border-radius:16px;border:1px solid transparent}
.dr-item > summary,.dr-link{display:flex;align-items:center;gap:14px;padding:9px 10px;cursor:pointer;list-style:none;font-size:16px;font-weight:600;color:var(--text);border-radius:15px}
.dr-item > summary::-webkit-details-marker{display:none}
.dr-item .ic{width:40px;height:40px;border-radius:12px;background:var(--fill2);color:var(--text2)}
.dr-chev{margin-left:auto;width:18px!important;height:18px!important;color:var(--muted);transition:transform .15s}
.dr-item[open]{background:var(--brand-soft);border-color:rgba(201,100,66,.28)}
.dr-item[open] > summary,.dr-item.on > summary,.dr-link.on{color:var(--brand-ink)}
.dr-item[open] .ic{background:var(--brand-soft);color:var(--brand-ink);box-shadow:inset 0 0 0 1px rgba(201,100,66,.3)}
.dr-item[open] .dr-chev{transform:rotate(180deg);color:var(--brand-ink)}
.dr-sub{display:grid;margin:0 12px 12px 29px;padding:2px 0 2px 22px;border-left:2px solid rgba(201,100,66,.35)}
.dr-sub a{padding:8px 0;font-size:15px;color:var(--text2)}
.dr-sub small{font-size:12px;color:var(--muted);margin-top:10px}
.dr-sub small:first-child{margin-top:4px}
.dr-sub .dr-all{display:inline-flex;align-items:center;gap:6px;color:var(--brand-ink);font-weight:500}
.dr-sub .dr-all svg{width:14px;height:14px}
.dr-foot{flex:none;display:grid;gap:14px;padding:14px 20px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--surf-b)}
.dr-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.dr-theme{display:inline-flex;padding:4px;border-radius:999px;border:1px solid var(--line);background:var(--fill2)}
.dr-theme button{width:42px;height:34px;border-radius:999px;border:0;background:none;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.dr-theme svg{width:18px;height:18px}
html:not([data-theme="dark"]) .dr-theme [data-theme-set="light"],html[data-theme="dark"] .dr-theme [data-theme-set="dark"]{background:var(--menu-bg);color:var(--brand-ink);box-shadow:0 1px 4px rgba(0,0,0,.12)}
.dr-links{display:flex;align-items:center;gap:16px;font-size:14px;color:var(--text2)}
.dr-pill{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--line-s);border-radius:999px;color:var(--text)}
.dr-pill i{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.dr-pill svg{width:14px;height:14px;color:var(--muted)}
.dr-cta{width:100%;height:50px;font-size:16px;border-radius:14px}
.dr-cta svg{width:18px;height:18px}
body.dr-open{overflow:hidden}
body.dr-open .azc-root,body.dr-open #azs-launcher{display:none!important}
@media (min-width:1201px){.drawer{display:none!important}}
@media (min-width:961px) and (max-width:1200px){html:not([lang="en"]) .drawer{display:none!important}}
/* 英文标签更长：≤1200px 就改用抽屉 */
@media (max-width:1200px){html[lang="en"] .nav-links,html[lang="en"] .nav-right .hide-m{display:none} html[lang="en"] .nav-burger{display:inline-flex}}
.dev-card[id]{scroll-margin-top:96px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:12px;font:500 15px var(--font);cursor:pointer;border:1px solid transparent;transition:transform .15s,background .15s,border-color .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 24px rgba(201,100,66,.30)}
.btn-primary:hover{background:var(--brand-hi)}
.btn-glass{background:var(--fill2);border-color:var(--line-s);color:var(--text)}
.btn-glass:hover{background:var(--fill3)}
.btn-sm{height:34px;padding:0 14px;font-size:13px;border-radius:10px}
.link{color:var(--text2);display:inline-flex;align-items:center;gap:6px;font-size:14px}
.link:hover{color:var(--text)}
.link.brand{color:var(--brand-ink)}

/* 标题区 */
.hero{padding-top:60px;padding-bottom:40px;text-align:center}
.hero.left{text-align:left}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--surf-b);
  font:500 12px var(--mono);letter-spacing:.08em;color:var(--text2)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.display{font-size:64px;line-height:1.1;font-weight:700;letter-spacing:-.02em;margin:18px 0 14px}
.h1{font-size:48px;line-height:1.15;font-weight:700;margin:16px 0 12px}
.h2{font-size:36px;line-height:1.2;font-weight:600}
.h3{font-size:22px;line-height:1.35;font-weight:600}
.lead{font-size:18px;color:var(--text2);max-width:720px}
.hero .lead{margin:0 auto}
.hero.left .lead{margin:0}
.hero-cta{display:flex;gap:12px;justify-content:center;margin-top:24px;flex-wrap:wrap}
.hero.left .hero-cta{justify-content:flex-start}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.sec-head.center{flex-direction:column;align-items:center;text-align:center}
.sec-head .label{font:500 12px var(--mono);letter-spacing:.08em;color:var(--brand-ink);margin-bottom:8px;display:block}
.sec-head p{color:var(--text2);margin-top:8px;max-width:640px}

/* 栅格 */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)} .g5{grid-template-columns:repeat(5,1fr)}
.split{display:grid;grid-template-columns:1fr 1.15fr;gap:24px;align-items:start}

/* 玻璃卡 */
.card{position:relative;padding:24px;border-radius:var(--r);background:linear-gradient(180deg,var(--surf-a),var(--surf-b));
  border:1px solid var(--line);backdrop-filter:blur(28px) saturate(160%);-webkit-backdrop-filter:blur(28px) saturate(160%);
  box-shadow:var(--shadow),inset 0 1px 0 var(--line-hi);transition:background .2s,border-color .2s,transform .2s}
a.card:hover,.card.hover:hover{background:linear-gradient(180deg,var(--surf-ha),var(--surf-hb));border-color:var(--line-s);box-shadow:var(--shadow-lg),inset 0 1px 0 var(--line-hi);transform:translateY(-2px)}
.card.lg{border-radius:var(--r-lg);padding:30px}
.card.sm{padding:20px}
.card h3{font-size:20px;font-weight:600;margin:14px 0 6px}
.card p{font-size:14px;color:var(--text2);line-height:1.6}
.card.col{display:flex;flex-direction:column}.card.col .card-foot{margin-top:auto}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px}
.ic{width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand-ink);display:inline-flex;align-items:center;justify-content:center;flex:none}
.ic svg{width:20px;height:20px}
svg.i{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ic svg.i{width:20px;height:20px}

/* 状态 / 标签 */
.status{display:inline-flex;align-items:center;gap:6px;font:500 12px var(--mono);color:var(--text2);white-space:nowrap}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--wip)}
.status.ok::before{background:var(--ok)}
.chip{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;background:var(--fill2);border:1px solid var(--line);font-size:12px;color:var(--text2);white-space:nowrap}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.tag{font:500 11px var(--mono);letter-spacing:.06em;color:var(--brand-ink);background:var(--brand-soft);padding:3px 8px;border-radius:6px}
.badge-ai{position:absolute;top:10px;right:10px;font:500 11px var(--mono);padding:3px 8px;border-radius:6px;background:var(--badge-bg);border:1px solid var(--line);color:var(--text2)}
.price{font:600 20px var(--mono);color:var(--text)}
.price small{font-size:12px;color:var(--muted);font-weight:400;margin-left:4px}
.dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:13px;margin-top:14px}
.dl dt{color:var(--muted)} .dl dd{margin:0;color:var(--text2)}
.bullets{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:8px;font-size:14px;color:var(--text2)}
.bullets li{display:flex;gap:8px;align-items:flex-start}
.bullets li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);margin-top:9px;flex:none}

/* 步骤 */
.steps{display:grid;gap:12px}
.steps.row{grid-template-columns:repeat(var(--n,5),1fr)}
.step{padding:18px;border-radius:16px;background:var(--step-bg);border:1px solid var(--line)}
.step .n{font:500 12px var(--mono);color:var(--brand-ink)}
.step b{display:block;margin:8px 0 4px;font-size:15px;font-weight:600}
.step p{font-size:13px;color:var(--text2);line-height:1.6}
.step.key{border-color:rgba(201,100,66,.45);background:var(--brand-soft)}

/* 应用窗口截图位 */
.window{border-radius:var(--r-lg);border:1px solid var(--line);background:var(--window-bg);box-shadow:var(--shadow-lg);overflow:hidden}
.window-bar{display:flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-bottom:1px solid var(--line)}
.window-bar i{width:10px;height:10px;border-radius:50%;background:var(--dot)}
.window-bar span{margin-left:10px;font:12px var(--mono);color:var(--muted)}
.window-body{padding:20px}
.window img{width:100%;height:auto;display:block}
.window-body.flush{padding:0;position:relative}
.shot-ph{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:var(--muted);font-size:13px;
  background:radial-gradient(closest-side,var(--glow3),transparent 75%),var(--fill)}

/* 表格对比 */
.cmp{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
.cmp th,.cmp td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.cmp th{font:500 12px var(--mono);color:var(--muted);letter-spacing:.06em}
.cmp td:first-child{color:var(--muted);white-space:nowrap}

/* FAQ */
.faq{display:grid;gap:12px}
.faq details{border-radius:16px;background:var(--surf-b);border:1px solid var(--line);padding:18px 22px}
.faq summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);font-family:var(--mono)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:10px;color:var(--text2);font-size:14px}

/* 表单 */
.form{display:grid;gap:16px}
.form label{display:grid;gap:8px;font-size:13px;color:var(--text2)}
.form input,.form select,.form textarea{width:100%;height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--line-s);background:var(--input-bg);color:var(--text);font:14px var(--font)}
.form textarea{height:120px;padding:12px 14px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:rgba(201,100,66,.6)}

/* 提示条 */
.note{display:flex;gap:10px;align-items:flex-start;padding:14px 18px;border-radius:14px;background:rgba(251,191,36,.08);border:1px solid rgba(217,119,6,.25);font-size:13px;color:var(--text2)}
.note.brand{background:var(--brand-soft);border-color:rgba(201,100,66,.3)}
.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* 地区提示条（.com 一级） */
.region-bar{display:none;position:relative;z-index:60;background:rgba(201,100,66,.14);border-bottom:1px solid rgba(201,100,66,.3);font-size:14px}
.region-bar.show{display:block}
.region-bar .wrap{display:flex;align-items:center;justify-content:center;gap:16px;height:46px}
.region-bar button{background:none;border:0;color:var(--text2);cursor:pointer;font-size:18px}

/* 弹窗（支付开发中） */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;background:var(--scrim);backdrop-filter:blur(6px)}
.modal.show{display:flex}
.modal .card{max-width:420px;width:calc(100% - 32px);text-align:center}

/* 页脚 */
.foot{background:var(--bg-foot);border-top:1px solid var(--line);padding:48px 0 28px;margin-top:0;font-size:14px}
.foot-cols{display:grid;grid-template-columns:repeat(5,1fr);gap:28px}
.foot h4{font-size:14px;font-weight:600;margin-bottom:16px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot li a{color:var(--muted)} .foot li a:hover{color:var(--text)}
.foot .tagline{color:var(--muted);font-size:13px;margin-bottom:16px}
.social{display:flex;gap:10px;flex-wrap:wrap}
.social a{width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--fill2);border:1px solid var(--line);color:var(--text2)}
.social a:hover{color:var(--text);border-color:var(--line-s)}
.social svg{width:16px;height:16px}
.qr-row{display:flex;gap:12px;flex-wrap:wrap}
.qr{display:grid;gap:6px;justify-items:center;font-size:12px;color:var(--muted)}
.qr img{width:72px;height:72px;border-radius:10px;background:#fff;padding:4px;border:1px solid var(--line)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:32px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.foot-bottom nav{display:flex;gap:16px;flex-wrap:wrap}
.foot-bottom a:hover{color:var(--text)}

/* 手机底栏 */
.tabbar{display:none}

/* 技能商店（数据渲染） */
.store-empty{text-align:center;padding:36px 28px}
.store-empty .ic{width:56px;height:56px;border-radius:16px;margin-bottom:8px}
.ch-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}

@media (max-width:1080px){
  .g5{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(2,1fr)}
  .steps.row{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .foot-cols{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:960px){
  .nav-links,.nav-right .hide-m{display:none}
  .nav-burger{display:inline-flex}
}
/* 手机菜单按钮：带文字、有边框，首次访问加一圈提示（v3.js 记住点过就不再提示） */
header.nav .nav-burger .nav-burger-t{display:none}
@media (max-width:960px){
  header.nav .nav-burger{align-items:center;gap:6px;padding:7px 14px 7px 11px;border:1px solid var(--line-s);border-radius:999px;background:var(--fill);font:inherit;font-size:14px;font-weight:600;line-height:1}
  header.nav .nav-burger svg{width:18px;height:18px}
  header.nav .nav-burger .nav-burger-t{display:inline}
  header.nav .nav-burger.nudge{border-color:var(--brand);color:var(--brand-ink);animation:zz-nudge 1.8s ease-out infinite}
}
@keyframes zz-nudge{0%{box-shadow:0 0 0 0 rgba(201,100,66,.55)}70%,100%{box-shadow:0 0 0 12px rgba(201,100,66,0)}}
@media (prefers-reduced-motion:reduce){header.nav .nav-burger.nudge{animation:none}}
@media (max-width:720px){
  .wrap{padding:0 20px}
  .display{font-size:36px} .h1{font-size:30px} .h2{font-size:26px} .h3{font-size:19px} .lead{font-size:16px}
  .section{padding:44px 0} .section.tight{padding:32px 0} .hero{padding-top:36px;padding-bottom:24px}
  .sec-head{margin-bottom:20px} .card{padding:20px} .card.lg{padding:24px} .foot{padding-top:36px}
  .g2,.g3,.g4,.g5,.steps.row{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start}
  .foot-cols{grid-template-columns:repeat(2,1fr)}
  .cmp-wrap{overflow-x:auto}
  body{padding-bottom:64px}
  .azc-root{bottom:76px!important} #azs-launcher{bottom:76px!important}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;height:60px;background:var(--tab-bg);backdrop-filter:blur(16px);border-top:1px solid var(--line)}
  .tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--text2)}
  .tabbar svg{width:20px;height:20px}
  .tabbar a.key{color:var(--brand-ink);font-weight:650}
  .tabbar a.key svg{width:30px;height:30px;padding:6px;border-radius:50%;background:var(--brand);color:#fff;box-shadow:0 4px 12px -2px rgba(201,100,66,.6);margin-top:-6px}
}