/* ===========================================================
   WACODE Design System — 高保真原型共享样式
   Light theme · 静态原型 · 无外部依赖
   =========================================================== */
:root{
  --brand-900:#063D2E; --brand-800:#0A5B42; --brand-700:#0B7A57;
  --brand-600:#0E9F6E; --brand-500:#16B981; --brand-300:#7DE0B4;
  --brand-100:#DFF5EB; --brand-50:#F1FAF6;
  --ink-900:#0F172A; --ink-800:#1E293B; --ink-700:#334155;
  --ink-500:#64748B; --ink-400:#64748B; --ink-disabled:#94A3B8; --ink-300:#CBD5E1;
  /* WCAG 1.4.3：信息性小字对比度需 ≥4.5:1，故 ink-400 与 ink-500 统一；更浅色仅供占位符/禁用/装饰 */
  --line:#E5EBE9; --line-strong:#D3DED9;
  --bg:#FFFFFF; --bg-soft:#F7FAF9; --bg-tint:#EFF7F3;
  --blue:#0EA5E9; --blue-50:#EFF9FE; --amber:#E9940B; --amber-50:#FFF7E8;
  --red:#DC2626; --red-50:#FEF2F2;
  --radius-xs:8px; --radius:14px; --radius-lg:20px; --radius-xl:28px;
  --shadow-xs:0 1px 2px rgba(6,61,46,.05);
  --shadow-sm:0 2px 10px rgba(6,61,46,.06);
  --shadow-md:0 10px 30px rgba(6,61,46,.09);
  --shadow-lg:0 24px 60px rgba(6,61,46,.14);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Inter,"Segoe UI",sans-serif;
  --mono:"SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink-900);-webkit-font-smoothing:antialiased;line-height:1.65;font-size:15px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none}
/* WCAG 2.1 AA · 2.4.7 Focus Visible：移除默认 outline 后必须给出可见替代 */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--brand-600);outline-offset:2px;border-radius:4px}
@media(prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
button{cursor:pointer;border:0;background:none;color:inherit}
img,svg{display:block;max-width:100%}
ul,ol{list-style:none}
::selection{background:var(--brand-300);color:var(--brand-900)}

/* ---------- layout ---------- */
.container{width:min(1200px,calc(100% - 48px));margin-inline:auto}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 52px}
.section-head.left{text-align:left;margin-left:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-700);background:var(--brand-50);border:1px solid var(--brand-100);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
h1,h2,h3,h4{line-height:1.22;font-weight:750;letter-spacing:-.025em;color:var(--ink-900)}
h1{font-size:clamp(38px,4.6vw,62px)}
h2{font-size:clamp(29px,3.2vw,42px)}
h3{font-size:20px}
h4{font-size:16px}
p{color:var(--ink-500)}
.lead{font-size:17px;line-height:1.8;color:var(--ink-500)}
.muted{color:var(--ink-500)}
.tiny{font-size:12px;color:var(--ink-500)}
/* 深色底上的 tiny 继承父色，避免改用高对比色后反而不可读 */
.footer .tiny,.preview-body .tiny,.mini-log .tiny,.code-block .tiny,.pv-line .tiny{color:inherit;opacity:.82}
.mono{font-family:var(--mono)}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g6{grid-template-columns:repeat(6,1fr)}
@media(max-width:960px){.g3,.g4,.g6{grid-template-columns:repeat(2,1fr)}.g2{grid-template-columns:1fr}.section{padding:64px 0}}
@media(max-width:600px){.g3,.g4,.g6{grid-template-columns:1fr}.container{width:min(100% - 32px,1200px)}h1{font-size:36px}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:11px;font-weight:650;font-size:14px;transition:.18s ease;white-space:nowrap;border:1px solid transparent}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:0 6px 18px rgba(11,122,87,.24)}
.btn-primary:hover{background:var(--brand-800);transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,122,87,.3)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink-800)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-50)}
.btn-dark{background:var(--ink-900);color:#fff}
.btn-dark:hover{background:var(--brand-900)}
.btn-lg{padding:15px 28px;font-size:15px;border-radius:12px}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:9px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- badge / chip ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:650;padding:4px 10px;border-radius:999px;background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100)}
.badge.blue{background:var(--blue-50);color:#0369A1;border-color:#D6EEFB}
.badge.amber{background:var(--amber-50);color:#B45309;border-color:#FBE7BF}
.badge.red{background:var(--red-50);color:var(--red);border-color:#FEE2E2}
.badge.gray{background:#F1F5F4;color:var(--ink-500);border-color:var(--line)}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px rgba(22,185,129,.16);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(22,185,129,0)}}

/* ---------- card ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s ease}
.card:hover{border-color:var(--brand-300);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.card-flat{background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.icon-box{width:46px;height:46px;border-radius:12px;background:var(--brand-50);color:var(--brand-700);display:grid;place-items:center;margin-bottom:18px}
.icon-box svg{width:22px;height:22px}
.icon-box.blue{background:var(--blue-50);color:#0284C7}
.icon-box.amber{background:var(--amber-50);color:var(--amber)}
.divider{height:1px;background:var(--line);margin:24px 0}

/* ---------- top bar / nav ---------- */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.82);font-size:12px;height:36px;display:flex;align-items:center}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px}
.topbar a:hover{color:#fff}
.topbar .tb-right{display:flex;gap:20px;align-items:center}
.topbar .tb-right span{display:inline-flex;align-items:center;gap:6px}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav .container{height:70px;display:flex;align-items:center;gap:36px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.04em;color:var(--brand-900);flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand-600),var(--brand-900));display:grid;place-items:center;color:#fff;font-size:17px;font-weight:800;box-shadow:0 4px 12px rgba(11,122,87,.28)}
.logo small{font-size:10px;font-weight:600;letter-spacing:.08em;color:var(--ink-400);display:block;line-height:1;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:28px;flex:1}
.nav-links a{font-size:14px;font-weight:600;color:var(--ink-700);transition:.15s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--brand-700)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-24px;height:2px;background:var(--brand-600)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .lang{font-size:13px;color:var(--ink-500);padding:6px 8px}
.lang-switch{font-size:13px;font-weight:650;color:var(--ink-600,#475569);padding:6px 10px;border-radius:8px;border:1px solid transparent;white-space:nowrap;transition:.15s;display:inline-flex;align-items:center;gap:6px;line-height:1}
.lang-switch:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-100)}
.lang-switch .flag{width:19px;height:13px;border-radius:2px;display:block;flex:0 0 auto;box-shadow:0 0 0 1px rgba(15,23,42,.12),0 1px 1px rgba(15,23,42,.06)}
.admin-top .lang-switch{margin-right:2px}
.nav-toggle{display:none;width:38px;height:38px;border-radius:9px;border:1px solid var(--line);align-items:center;justify-content:center}
@media(max-width:1000px){.nav-links{display:none}.nav-toggle{display:flex}.nav .container{justify-content:space-between}.nav-actions .btn-ghost{display:none}}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:radial-gradient(1000px 520px at 88% -8%,var(--brand-50),transparent 62%),radial-gradient(700px 420px at 4% 88%,#F0F9FF,transparent 60%),#fff}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.35;mask-image:linear-gradient(to bottom,#000,transparent 78%);pointer-events:none}
.hero .container{position:relative;padding:82px 0 96px;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
@media(max-width:960px){.hero .container{grid-template-columns:1fr;gap:48px;padding:56px 0 72px}}
.hero h1{letter-spacing:-.045em;margin-bottom:22px}
.hero h1 .grad{background:linear-gradient(100deg,var(--brand-700),var(--brand-500));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:18px;max-width:540px;margin-bottom:32px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.hero-trust{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--ink-500)}
.hero-trust b{color:var(--ink-900);font-size:15px}

/* ---------- phone mock / live code card ---------- */
.mock-wrap{position:relative;display:flex;justify-content:center}
.mock-glow{position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(22,185,129,.16),transparent 68%);filter:blur(10px)}
.phone{position:relative;width:300px;background:#fff;border:8px solid var(--ink-900);border-radius:38px;box-shadow:var(--shadow-lg);overflow:hidden;min-height:560px}
.phone-bar{height:30px;background:var(--ink-900);display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;gap:6px}
.wa-head{background:var(--brand-700);color:#fff;padding:13px 14px;display:flex;align-items:center;gap:10px}
.wa-avatar{width:34px;height:34px;border-radius:50%;background:var(--brand-300);display:grid;place-items:center;font-size:14px;font-weight:700;color:var(--brand-900)}
.wa-head b{font-size:13px;display:block}
.wa-head small{font-size:10px;opacity:.8}
.wa-body{background:#ECEEE9;padding:16px 12px;min-height:430px;display:flex;flex-direction:column;gap:12px}
.bubble{background:#fff;padding:12px 13px;border-radius:4px 12px 12px 12px;font-size:12px;color:var(--ink-800);box-shadow:var(--shadow-xs);max-width:88%}
.bubble.sys{align-self:center;background:#DDEBE3;color:var(--ink-500);font-size:10px;border-radius:8px;box-shadow:none}
.bubble.code{background:var(--brand-50);border:1px dashed var(--brand-500);align-self:flex-start}
.bubble .code-num{font-family:var(--mono);font-size:24px;font-weight:750;letter-spacing:.16em;color:var(--brand-800);margin:6px 0 2px}
.bubble time{display:block;text-align:right;font-size:9px;color:var(--ink-400);margin-top:6px}
.float-card{position:absolute;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow-md);padding:12px 15px;font-size:12px;z-index:3}
.float-card.top{top:52px;right:-24px;min-width:168px}
.float-card.bottom{bottom:78px;left:-30px;min-width:184px}
.float-card .fc-label{font-size:10px;color:var(--ink-400);letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}
.float-card .fc-val{font-size:17px;font-weight:750;color:var(--ink-900)}
.float-card .fc-val em{font-style:normal;font-size:11px;color:var(--brand-600);font-weight:650;margin-left:5px}
@media(max-width:600px){.float-card.top{right:-6px}.float-card.bottom{left:-6px}.phone{width:280px}}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;margin-top:-48px;position:relative;z-index:5}
.stat{padding:26px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .num{font-size:30px;font-weight:780;letter-spacing:-.04em;color:var(--brand-800);line-height:1.1}
.stat .num small{font-size:15px;font-weight:650;margin-left:2px}
.stat .lbl{font-size:12px;color:var(--ink-500);margin-top:6px}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}}
.section-tint{background:var(--bg-soft);border-block:1px solid var(--line)}

/* ---------- comparison ---------- */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:920px;margin-inline:auto}
.vs-col{border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;background:#fff}
.vs-col.old{opacity:.9}
.vs-col.new{border-color:var(--brand-500);box-shadow:0 12px 36px rgba(14,159,110,.13);position:relative}
.vs-col.new::before{content:"推荐方案";position:absolute;top:-12px;left:26px;background:var(--brand-700);color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:999px}
.vs-col h3{margin-bottom:6px}
.vs-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-700)}
.vs-list li:last-child{border-bottom:0}
.vs-list .ic{width:19px;height:19px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:800;margin-top:2px}
.vs-col.old .ic{background:#F1F5F4;color:var(--ink-400)}
.vs-col.new .ic{background:var(--brand-50);color:var(--brand-700)}
@media(max-width:760px){.vs{grid-template-columns:1fr}}

/* ---------- service catalog ---------- */
.catalog-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.search{flex:1;min-width:220px;display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:10px 14px}
.search svg{width:17px;height:17px;color:var(--ink-400)}
.search input{border:0;flex:1;color:var(--ink-900);background:transparent}
.search input::placeholder{color:var(--ink-disabled)}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:8px 15px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;font-weight:600;color:var(--ink-700);transition:.15s}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700)}
.chip.on{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:960px){.svc-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
.svc{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px;display:flex;flex-direction:column;gap:12px;transition:.18s;cursor:pointer}
.svc:hover{border-color:var(--brand-500);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.svc-top{display:flex;align-items:center;gap:11px}
.svc-ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:17px;font-weight:800;color:#fff;flex-shrink:0}
.svc-name{font-weight:700;font-size:14px;color:var(--ink-900)}
.svc-sub{font-size:11px;color:var(--ink-400)}
.svc-meta{display:flex;justify-content:space-between;align-items:flex-end;padding-top:10px;border-top:1px dashed var(--line)}
.svc-price{font-size:19px;font-weight:780;color:var(--brand-800);letter-spacing:-.03em}
.svc-price small{font-size:11px;font-weight:600;color:var(--ink-400);letter-spacing:0}
.svc-stock{font-size:11px;color:var(--ink-500);text-align:right}
.stock-bar{height:4px;border-radius:99px;background:#EDF2F0;overflow:hidden;margin-top:6px}
.stock-bar i{display:block;height:100%;border-radius:99px;background:var(--brand-500)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{padding:0 24px;position:relative;text-align:left}
.step:first-child{padding-left:0}
.step-num{width:44px;height:44px;border-radius:14px;background:var(--brand-700);color:#fff;display:grid;place-items:center;font-weight:750;font-size:17px;margin-bottom:18px;box-shadow:0 8px 18px rgba(11,122,87,.22)}
.step:not(:last-child)::after{content:"";position:absolute;top:22px;left:calc(50% + 34px);width:calc(100% - 68px);height:2px;background:repeating-linear-gradient(90deg,var(--brand-300) 0 6px,transparent 6px 12px)}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13px;line-height:1.7}
@media(max-width:860px){.steps{grid-template-columns:repeat(2,1fr);gap:32px 0}.step::after{display:none}.step{padding:0 16px}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- architecture strip ---------- */
.flow-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;align-items:stretch;margin-top:44px}
.flow-node{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 14px;text-align:center;position:relative}
.flow-node .fn-ico{font-size:20px;margin-bottom:8px}
.flow-node b{display:block;font-size:13px;color:var(--ink-900)}
.flow-node span{font-size:11px;color:var(--ink-400)}
.flow-arrow{display:grid;place-items:center;color:var(--brand-500);font-size:18px;font-weight:800}
@media(max-width:860px){.flow-strip{grid-template-columns:1fr 1fr}.flow-arrow{display:none}}

/* ---------- price ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
@media(max-width:860px){.price-grid{grid-template-columns:1fr}}
.plan{border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;background:#fff;display:flex;flex-direction:column}
.plan.hot{border-color:var(--brand-600);box-shadow:0 16px 44px rgba(14,159,110,.14);position:relative}
.plan.hot::before{content:"最受欢迎";position:absolute;top:-11px;right:24px;background:var(--brand-700);color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:999px}
.plan .p-name{font-size:15px;font-weight:700;color:var(--brand-700)}
.plan .p-price{font-size:40px;font-weight:780;letter-spacing:-.04em;margin:12px 0 2px;color:var(--ink-900)}
.plan .p-price small{font-size:14px;font-weight:600;color:var(--ink-400);letter-spacing:0}
.plan ul{margin:22px 0;flex:1}
.plan li{display:flex;gap:9px;font-size:13px;color:var(--ink-700);padding:7px 0}
.plan li svg{width:16px;height:16px;color:var(--brand-600);flex-shrink:0;margin-top:3px}

/* ---------- api / code ---------- */
.api-panel{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media(max-width:900px){.api-panel{grid-template-columns:1fr}}
.code-block{background:#0B1F1A;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid #173A2E}
.code-head{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;background:#102C23;border-bottom:1px solid #1E4235}
.code-head .dots{display:flex;gap:6px}
.code-head .dots i{width:9px;height:9px;border-radius:50%;background:#3A5C4F}
.code-head span{font-family:var(--mono);font-size:11px;color:#8FB6A5}
.code-body{padding:20px;font-family:var(--mono);font-size:12.5px;line-height:1.9;color:#C8E6D8;overflow-x:auto}
.code-body .k{color:#7DE0B4}.code-body .s{color:#F5C97B}.code-body .c{color:#6C9585}.code-body .v{color:#8FD3FF}

/* ---------- faq ---------- */
.faq{max-width:820px;margin-inline:auto}
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;text-align:left;font-weight:650;font-size:15px;color:var(--ink-900)}
.faq-q .plus{width:24px;height:24px;border-radius:7px;background:var(--brand-50);color:var(--brand-700);display:grid;place-items:center;font-size:17px;flex-shrink:0;transition:.2s}
.faq-item.open .plus{transform:rotate(45deg);background:var(--brand-700);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 22px 20px;font-size:14px;line-height:1.8}

/* ---------- CTA banner ---------- */
.cta-band{background:linear-gradient(120deg,var(--brand-900),var(--brand-700) 62%,#12A876);border-radius:var(--radius-xl);padding:56px 60px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:32px;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-90px;top:-120px;width:380px;height:380px;border:1px solid rgba(255,255,255,.14);border-radius:50%;box-shadow:0 0 0 60px rgba(255,255,255,.04),0 0 0 130px rgba(255,255,255,.03)}
.cta-band h2{color:#fff;font-size:34px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);max-width:560px}
.cta-band .btn{background:#fff;color:var(--brand-900);font-weight:700;position:relative;z-index:2}
.cta-band .btn:hover{background:var(--brand-50);transform:translateY(-2px)}
@media(max-width:760px){.cta-band{flex-direction:column;align-items:flex-start;padding:38px 28px}.cta-band h2{font-size:27px}}

/* ---------- footer ---------- */
.footer{background:#0A1F19;color:#9FB8AE;padding:64px 0 0;font-size:13px}
.footer .fg{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:44px;padding-bottom:48px}
@media(max-width:800px){.footer .fg{grid-template-columns:1fr 1fr;gap:30px}}
.footer .logo{color:#fff;margin-bottom:16px}
.footer .f-desc{line-height:1.8;max-width:300px;font-size:13px}
.footer h4{color:#fff;font-size:13px;letter-spacing:.04em;margin-bottom:18px}
.footer li{padding:6px 0}
.footer li a:hover{color:var(--brand-300)}
.footer .contact-line{display:flex;gap:10px;align-items:flex-start;padding:6px 0;line-height:1.6}
.footer .contact-line svg{width:15px;height:15px;color:var(--brand-300);flex-shrink:0;margin-top:3px}
.footer .f-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#7E9A8D}
.footer .f-bottom a:hover{color:#fff}
.cfg-editable{position:relative}

/* ---------- page header (二级页) ---------- */
.page-hero{background:linear-gradient(180deg,var(--brand-50),#fff);border-bottom:1px solid var(--line);padding:54px 0 46px}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--ink-400);margin-bottom:16px}
.breadcrumb a:hover{color:var(--brand-700)}
.page-hero h1{font-size:clamp(30px,3.6vw,46px);margin-bottom:12px}
.page-hero .lead{max-width:640px}
.crumb-tag{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:650;color:var(--brand-700);margin-bottom:14px}

/* ---------- table ---------- */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead th{background:var(--bg-soft);text-align:left;padding:14px 18px;font-size:12px;font-weight:700;color:var(--ink-500);letter-spacing:.04em;border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--ink-700);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--brand-50)}
td .svc-top{padding:0}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:26px;overflow-x:auto}
.tab{padding:12px 20px;font-size:14px;font-weight:650;color:var(--ink-500);border-bottom:2px solid transparent;white-space:nowrap}
.tab:hover{color:var(--brand-700)}
.tab.on{color:var(--brand-700);border-bottom-color:var(--brand-700)}
.tab-pane{display:none}.tab-pane.on{display:block}

/* ---------- forms ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:650;color:var(--ink-800);margin-bottom:7px}
.field label .req{color:var(--red);margin-left:3px}
.field .hint{font-size:11.5px;color:var(--ink-400);margin-top:6px;line-height:1.6}
.input,.select,.textarea{width:100%;border:1px solid var(--line-strong);background:#fff;border-radius:10px;padding:11px 13px;color:var(--ink-900);font-size:14px;transition:.15s}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,159,110,.12)}
.textarea{min-height:78px;resize:vertical;line-height:1.6}
.input-group{display:flex;align-items:center;border:1px solid var(--line-strong);border-radius:10px;overflow:hidden;background:#fff}
.input-group .prefix{padding:0 12px;font-size:13px;color:var(--ink-400);background:var(--bg-soft);align-self:stretch;display:flex;align-items:center;border-right:1px solid var(--line)}
.input-group input{flex:1;border:0;padding:11px 13px;background:transparent;color:var(--ink-900)}
.switch{display:inline-flex;align-items:center;gap:10px;cursor:pointer}
.switch input{display:none}
.switch .track{width:40px;height:23px;border-radius:99px;background:var(--ink-300);position:relative;transition:.2s}
.switch .track::after{content:"";position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:#fff;transition:.2s;box-shadow:var(--shadow-xs)}
.switch input:checked + .track{background:var(--brand-600)}
.switch input:checked + .track::after{left:20px}

/* ---------- admin shell ---------- */
.admin-body{background:var(--bg-soft);min-height:100vh;display:flex}
.admin-side{width:238px;background:#0A1F19;color:#9FB8AE;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.admin-side .logo{color:#fff;padding:22px 22px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-side .nav-sec{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#638577;padding:22px 22px 8px}
.admin-menu{padding:0 12px;flex:1}
.admin-menu a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;font-size:13.5px;font-weight:550;margin-bottom:3px;color:#A9C2B7}
.admin-menu a:hover{background:rgba(255,255,255,.06);color:#fff}
.admin-menu a.on{background:var(--brand-700);color:#fff;font-weight:650}
.admin-menu a svg{width:17px;height:17px;flex-shrink:0}
.admin-menu a .tag{margin-left:auto;font-size:10px;background:rgba(255,255,255,.12);padding:2px 7px;border-radius:99px}
.admin-side .side-foot{padding:16px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:11.5px}
.admin-side .side-foot b{color:#fff;display:block;font-size:13px;margin-bottom:2px}
.admin-main{flex:1;min-width:0}
.admin-top{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;gap:16px}
.admin-top .at-left{display:flex;align-items:center;gap:12px}
.admin-top .at-left .crumb{font-size:13px;color:var(--ink-400)}
.admin-top .at-left h2{font-size:17px;font-weight:700}
.admin-top .at-right{display:flex;align-items:center;gap:14px}
.admin-user{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600}
.admin-avatar{width:32px;height:32px;border-radius:9px;background:var(--brand-700);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700}
.admin-content{padding:28px 30px 50px;max-width:1400px}
.admin-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:22px;align-items:start}
@media(max-width:1120px){.admin-grid{grid-template-columns:1fr}.admin-side{width:70px}.admin-side .logo span,.admin-side .nav-sec,.admin-side a span,.admin-side .side-foot{display:none}.admin-menu a{justify-content:center}.admin-side .logo{padding:20px 16px}}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.panel-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-head h3{font-size:15px}
.panel-head p{font-size:12px;margin-top:3px}
.panel-body{padding:22px}
.panel-foot{padding:16px 22px;border-top:1px solid var(--line);background:var(--bg-soft);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.form-2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
@media(max-width:620px){.form-2{grid-template-columns:1fr}}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
@media(max-width:900px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.kpi .k-lbl{font-size:12px;color:var(--ink-500);display:flex;align-items:center;justify-content:space-between}
.kpi .k-val{font-size:26px;font-weight:760;letter-spacing:-.035em;margin:8px 0 4px;color:var(--ink-900)}
.kpi .k-delta{font-size:11.5px;color:var(--brand-700);font-weight:650}
.kpi .k-delta.down{color:var(--red)}

/* preview pane */
.preview-shell{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.preview-bar{display:flex;align-items:center;gap:7px;padding:10px 13px;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.preview-bar i{width:8px;height:8px;border-radius:50%;background:var(--ink-300)}
.preview-bar span{margin-left:auto;font-size:11px;color:var(--ink-400)}
.preview-body{padding:24px;background:#0A1F19;color:#9FB8AE}
.pv-brand{color:#fff;font-size:16px;font-weight:800;margin-bottom:8px}
.pv-line{display:flex;gap:9px;align-items:flex-start;font-size:12px;padding:5px 0;line-height:1.6;word-break:break-word}
.pv-line svg{width:14px;height:14px;color:var(--brand-300);flex-shrink:0;margin-top:2px}
.pv-divider{height:1px;background:rgba(255,255,255,.1);margin:14px 0}
.pv-copy{font-size:11px;color:#6F8C7F}
.preview-note{font-size:11.5px;color:var(--ink-400);line-height:1.7;padding:12px 4px 0}

/* toast */
.toast{position:fixed;right:24px;bottom:24px;z-index:999;background:var(--ink-900);color:#fff;padding:13px 18px;border-radius:11px;box-shadow:var(--shadow-lg);font-size:13.5px;font-weight:600;display:flex;align-items:center;gap:10px;opacity:0;transform:translateY(14px);pointer-events:none;transition:.24s}
.toast.show{opacity:1;transform:translateY(0)}
.toast svg{width:18px;height:18px;color:var(--brand-300)}
/* ---------- 充值弹窗 · 支付宝扫码收款（原型演示） ---------- */
.pay-overlay{position:fixed;inset:0;z-index:200;background:rgba(6,32,24,.55);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;padding:20px}
.pay-overlay.open{display:flex}
.pay-modal{width:min(460px,100%);max-height:calc(100vh - 40px);overflow-y:auto;background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);animation:payIn .22s ease}
@keyframes payIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.pay-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.pay-head h3{font-size:16px}
.pay-close{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-size:19px;color:var(--ink-500)}
.pay-close:hover{background:var(--bg-soft);color:var(--ink-900)}
.pay-steps{display:flex;gap:6px;padding:14px 22px 0}
.pay-steps span{flex:1;font-size:11px;color:var(--ink-500);display:flex;align-items:center;gap:6px;white-space:nowrap}
.pay-steps i{width:18px;height:18px;border-radius:50%;background:var(--bg-soft);color:var(--ink-500);display:grid;place-items:center;font-style:normal;font-size:10px;font-weight:700;flex-shrink:0}
.pay-steps span.on{color:var(--brand-700);font-weight:650}
.pay-steps span.on i{background:var(--brand-700);color:#fff}
.pay-steps span.done i{background:var(--brand-100);color:var(--brand-700)}
.pay-body{padding:22px}
.pay-pane{display:none}.pay-pane.on{display:block}
.pay-label{font-size:12px;font-weight:650;color:var(--ink-700);margin-bottom:10px}
.pay-amounts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}
.pay-amt{border:1px solid var(--line-strong);border-radius:11px;padding:13px;text-align:left;background:#fff;transition:.15s}
.pay-amt:hover{border-color:#1677FF}
.pay-amt.on{border-color:#1677FF;background:#F0F7FF;box-shadow:0 0 0 3px rgba(22,119,255,.1)}
.pay-amt b{display:block;font-size:19px;letter-spacing:-.02em;color:var(--ink-900)}
.pay-amt span{font-size:11px;color:var(--ink-500)}
.pay-custom{display:flex;align-items:center;border:1px solid var(--line-strong);border-radius:10px;overflow:hidden;background:#fff}
.pay-custom>span{padding:0 12px;font-size:14px;color:var(--ink-500);background:var(--bg-soft);align-self:stretch;display:flex;align-items:center;border-right:1px solid var(--line)}
.pay-custom input{flex:1;min-width:0;border:0;padding:11px 13px;font-size:15px;font-family:var(--mono);color:var(--ink-900);background:transparent}
.pay-summary{background:var(--brand-50);border:1px solid var(--brand-100);border-radius:11px;padding:14px 16px;margin-top:16px;font-size:12.5px;line-height:2;color:var(--ink-700)}
.pay-summary .row{display:flex;justify-content:space-between;gap:12px}
.pay-summary .row b{color:var(--ink-900);font-family:var(--mono);font-size:12.5px}
.pay-note{font-size:11px;color:var(--ink-500);line-height:1.75;margin-top:12px}
.pay-actions{display:flex;gap:10px;margin-top:18px}
.pay-actions .btn{flex:1}
.pay-method{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:11px;padding:13px 14px;margin-bottom:4px}
.pay-alipay{width:36px;height:36px;border-radius:9px;background:#1677FF;color:#fff;display:grid;place-items:center;font-size:17px;font-weight:800;flex-shrink:0}
.pay-method b{display:block;font-size:14px}
.pay-method>div>span{font-size:11.5px;color:var(--ink-500)}
.pay-method .chk{margin-left:auto;color:#1677FF;font-weight:800}
.pay-qr-wrap{text-align:center;padding:4px 0 2px}
.pay-qr{width:186px;height:186px;margin:0 auto;border:1px solid var(--line);border-radius:12px;padding:10px;background:#fff;position:relative}
.pay-qr svg{width:100%;height:100%}
.pay-qr-tag{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;border:2px solid #fff;border-radius:7px;padding:3px 7px;font-size:11px;font-weight:800;color:#1677FF;box-shadow:0 1px 6px rgba(0,0,0,.14)}
.pay-cny{font-size:30px;font-weight:780;letter-spacing:-.03em;color:var(--ink-900);margin:14px 0 2px}
.pay-hint{font-size:12px;color:var(--ink-500)}
.pay-timer{display:inline-flex;align-items:center;gap:7px;background:var(--amber-50);color:#92400E;border:1px solid #FBE7BF;border-radius:999px;padding:5px 12px;font-size:11.5px;font-weight:650;margin-top:12px}
.pay-success{text-align:center;padding:10px 0 4px}
.pay-success .ok{width:58px;height:58px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);display:grid;place-items:center;margin:0 auto 16px;font-size:28px}
.pay-success h3{font-size:19px;margin-bottom:6px}
.pay-success p{font-size:13px;color:var(--ink-500)}
.pay-success .amt{font-size:27px;font-weight:780;color:var(--brand-800);letter-spacing:-.03em;margin:12px 0}
.pay-foot{padding:12px 22px;background:var(--bg-soft);border-top:1px solid var(--line);font-size:11px;color:var(--ink-500);line-height:1.7;text-align:center}
.pay-spin{width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:paySpin .7s linear infinite;display:inline-block;vertical-align:-2px;margin-right:6px}
@keyframes paySpin{to{transform:rotate(360deg)}}
@media(max-width:520px){.pay-body{padding:18px}.pay-steps span{font-size:10px}}
@media print{.nav,.topbar,.admin-side,.admin-top,.pay-overlay{position:static;display:none}}