/* ================= 官网 / 用户中心 ================= */
.site-header {
  position: sticky; top: 0; z-index: 300; height: var(--header-h);
  background: rgba(255, 255, 255, .86); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(228, 233, 241, .9);
}
.site-header .container { height: 100%; display: flex; align-items: center; gap: 38px; }
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, #1d5cff 0%, #0b3fc4 100%);
  box-shadow: 0 6px 16px rgba(29, 92, 255, .30); color: #fff; position: relative; overflow: hidden;
}
.brand-mark::after { content: ""; position: absolute; inset: 0; background: linear-gradient(140deg, rgba(255,255,255,.28), transparent 55%); }
.brand-mark svg { width: 21px; height: 21px; position: relative; z-index: 1; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-size: 16.5px; letter-spacing: .01em; }
.brand-text span { font-size: 10px; color: var(--muted-2); letter-spacing: .16em; text-transform: uppercase; font-family: var(--mono); margin-top: 2px; }
.site-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.site-nav a {
  padding: 8px 13px; border-radius: 8px; font-size: 13.5px; color: var(--ink-3); font-weight: 500;
  transition: all .16s var(--ease); white-space: nowrap;
}
.site-nav a:hover { background: var(--bg); color: var(--primary); }
.site-nav a.on { color: var(--primary); background: var(--primary-soft); }
.header-right { display: flex; align-items: center; gap: 10px; flex: none; }
.header-ver { font-family: var(--mono); font-size: 10.5px; color: var(--muted-2); border: 1px solid var(--line); border-radius: 6px; padding: 3px 6px; }
.user-chip { display: flex; align-items: center; gap: 9px; padding: 5px 9px 5px 5px; border-radius: 999px; border: 1px solid var(--line); background: #fff; transition: all .16s; }
.user-chip:hover { border-color: #cdd8e8; box-shadow: var(--shadow-sm); }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(140deg, #2b6bff, #00b39b); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12.5px; font-weight: 600; flex: none; }
.avatar.lg { width: 52px; height: 52px; font-size: 18px; }
.user-chip .uname { font-size: 13px; font-weight: 500; }
.user-chip .urole { font-size: 10.5px; color: var(--muted); }

/* ---------- 首页 ---------- */
.hero { position: relative; overflow: hidden; background: #f7f9fd; padding: 74px 0 84px; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(23, 32, 51, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(23, 32, 51, .045) 1px, transparent 1px);
  background-size: 46px 46px; mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 30%, transparent 78%);
}
.hero::after {
  content: ""; position: absolute; width: 720px; height: 720px; right: -160px; top: -260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(29, 92, 255, .14), transparent 62%); filter: blur(6px);
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.02fr .98fr; gap: 46px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px;
  letter-spacing: .14em; color: var(--primary); text-transform: uppercase; margin-bottom: 18px;
  background: #fff; border: 1px solid #dbe4f7; border-radius: 999px; padding: 6px 12px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(0, 179, 155, .14); }
.hero h1 { font-size: clamp(34px, 4.4vw, 52px); line-height: 1.16; letter-spacing: -.025em; }
.hero h1 .grad { background: linear-gradient(100deg, #1d5cff 10%, #00b39b 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { margin-top: 18px; font-size: 15.5px; color: var(--muted); max-width: 520px; line-height: 1.85; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; }
.hero-meta { display: flex; gap: 26px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); }
.hero-meta .item b { display: block; font-family: var(--mono); font-size: 20px; letter-spacing: -.02em; }
.hero-meta .item span { font-size: 11.5px; color: var(--muted); }

.hero-visual { position: relative; height: 440px; }
.hero-board {
  position: absolute; inset: 12px 0 12px 24px; background: #fff; border: 1px solid var(--line);
  border-radius: 24px; box-shadow: 0 40px 80px rgba(16, 30, 54, .12), 0 3px 10px rgba(16, 30, 54, .04);
  overflow: hidden;
}
.hero-board .grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(29, 92, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(29, 92, 255, .06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.hero-board svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-board .scan {
  position: absolute; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(29, 92, 255, .55), transparent);
  animation: scan 4.8s linear infinite;
}
@keyframes scan { 0% { top: 8%; opacity: 0; } 8% { opacity: 1; } 92% { opacity: 1; } 100% { top: 92%; opacity: 0; } }
.float-chip {
  position: absolute; background: rgba(255, 255, 255, .95); border: 1px solid var(--line);
  border-radius: 12px; box-shadow: var(--shadow); padding: 10px 13px; backdrop-filter: blur(8px);
  animation: floaty 6s ease-in-out infinite;
}
.float-chip .k { font-size: 10px; color: var(--muted); letter-spacing: .08em; font-family: var(--mono); text-transform: uppercase; }
.float-chip .v { font-size: 14px; font-weight: 600; margin-top: 1px; }
.float-chip .v em { font-style: normal; color: var(--primary); font-family: var(--mono); }
.chip-1 { right: -6px; top: 62px; animation-delay: -1s; }
.chip-2 { left: -14px; bottom: 96px; animation-delay: -3.4s; }
.chip-3 { right: 26px; bottom: 44px; animation-delay: -2s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

.stat-strip { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat-strip .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 24px 20px; border-right: 1px solid var(--line-2); display: flex; align-items: center; gap: 14px; }
.stat-item:last-child { border-right: none; }
.stat-item .ico { width: 42px; height: 42px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 16px; flex: none; }
.stat-item b { display: block; font-family: var(--mono); font-size: 22px; letter-spacing: -.02em; line-height: 1.2; }
.stat-item span { font-size: 12px; color: var(--muted); }

.section { padding: 78px 0; }
.section.tight { padding: 56px 0; }
.section-head { max-width: 620px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -.02em; line-height: 1.25; }
.section-head p { margin-top: 12px; color: var(--muted); font-size: 14.5px; line-height: 1.8; }
.section-head .eyebrow { margin-bottom: 12px; }
.section-head.center .eyebrow { margin-left: auto; margin-right: auto; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; transition: all .22s var(--ease); position: relative; overflow: hidden; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfdcf0; }
.feature-card .no { font-family: var(--mono); font-size: 11px; color: #b3bfd1; letter-spacing: .1em; }
.feature-card .ico {
  width: 46px; height: 46px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; margin: 16px 0 16px;
}
.feature-card h3 { font-size: 16px; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--muted); line-height: 1.8; }
.ico-blue { background: var(--primary-soft); color: var(--primary); }
.ico-green { background: var(--accent-soft); color: var(--accent); }
.ico-amber { background: var(--amber-soft); color: #c07c0c; }
.ico-cyan { background: #e4f6fa; color: #0b8ba2; }
.ico-violet { background: #f0edff; color: #6b55d8; }
.ico-red { background: #fdeeee; color: #d35458; }

.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.flow-item { position: relative; padding: 26px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.flow-item::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--mono); font-size: 12px; color: var(--primary);
  background: var(--primary-soft); border-radius: 6px; padding: 2px 7px; display: inline-block; margin-bottom: 14px;
}
.flow-item h4 { font-size: 14.5px; margin-bottom: 7px; }
.flow-item p { font-size: 12.5px; color: var(--muted); line-height: 1.75; }
.flow-item::after { content: ""; position: absolute; right: -13px; top: 50%; width: 10px; height: 10px; border-top: 1px solid #c8d4e6; border-right: 1px solid #c8d4e6; transform: translateY(-50%) rotate(45deg); }
.flow-item:last-child::after { display: none; }

.tpl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tpl-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .22s var(--ease); }
.tpl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfdcf0; }
.cover { position: relative; height: 178px; overflow: hidden; background: linear-gradient(150deg, #eef3fb, #e3ebf8); }
.cover svg { width: 100%; height: 100%; }
.cover .cover-tag { position: absolute; left: 12px; top: 12px; font-size: 11px; background: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.7); border-radius: 6px; padding: 3px 8px; color: var(--ink-3); backdrop-filter: blur(6px); }
.cover .cover-open { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(11, 18, 32, .42); color: #fff; font-size: 13px; opacity: 0; transition: opacity .2s; gap: 8px; }
.tpl-card:hover .cover-open { opacity: 1; }
.tpl-body { padding: 16px 18px 18px; }
.tpl-body h4 { font-size: 14.5px; }
.tpl-body p { font-size: 12.5px; color: var(--muted); margin-top: 6px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tpl-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line-2); font-size: 12px; color: var(--muted); }
.tpl-meta .price { font-family: var(--mono); color: var(--primary); font-weight: 600; }

.cta-band { background: var(--ink); border-radius: 24px; padding: 54px 56px; position: relative; overflow: hidden; color: #fff; }
.cta-band::before {
  content: ""; 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: 38px 38px; mask-image: radial-gradient(ellipse at 78% 40%, #000, transparent 70%);
}
.cta-band::after { content: ""; position: absolute; width: 380px; height: 380px; right: -80px; top: -120px; border-radius: 50%; background: radial-gradient(circle, rgba(29, 92, 255, .34), transparent 66%); }
.cta-band .inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta-band h2 { font-size: 30px; letter-spacing: -.02em; }
.cta-band p { color: rgba(255, 255, 255, .62); margin-top: 10px; font-size: 14px; }

.site-footer { background: #0c1422; color: rgba(255, 255, 255, .66); padding: 54px 0 26px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-brand .brand-text b { color: #fff; }
.footer-brand .brand-text span { color: rgba(255,255,255,.38); }
.footer-desc { margin-top: 16px; font-size: 12.5px; line-height: 1.85; max-width: 320px; color: rgba(255, 255, 255, .5); }
.footer-col h5 { color: #fff; font-size: 13px; margin-bottom: 14px; letter-spacing: .02em; }
.footer-col a { display: block; font-size: 12.5px; padding: 5px 0; color: rgba(255, 255, 255, .55); transition: color .16s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 22px; font-size: 12px; color: rgba(255, 255, 255, .38); gap: 14px; flex-wrap: wrap; }
.footer-bottom .mono { font-size: 11px; }

/* ---------- 内页通用 ---------- */
.page-hero { background: #f7f9fd; border-bottom: 1px solid var(--line); padding: 44px 0 38px; position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(23,32,51,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(23,32,51,.04) 1px, transparent 1px);
  background-size: 40px 40px; mask-image: radial-gradient(ellipse at 75% 30%, #000, transparent 72%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: 30px; letter-spacing: -.02em; }
.page-hero p { margin-top: 10px; color: var(--muted); font-size: 13.5px; max-width: 640px; }
.breadcrumb { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted-2); margin-bottom: 14px; }
.breadcrumb a:hover { color: var(--primary); }
.page-body { padding: 32px 0 72px; }

.toolbar-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.filter-chips { display: flex; gap: 7px; flex-wrap: wrap; }
.chip-btn { height: 32px; padding: 0 13px; border-radius: 8px; border: 1px solid var(--line); background: #fff; font-size: 12.5px; color: var(--ink-3); transition: all .16s; }
.chip-btn:hover { border-color: #c3d0e4; }
.chip-btn.on { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- 项目卡片 ---------- */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.project-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .2s var(--ease); display: flex; flex-direction: column; }
.project-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cfdcf0; }
.project-cover { height: 168px; position: relative; background: linear-gradient(150deg, #eef3fb, #e2ebf8); cursor: pointer; overflow: hidden; }
.project-cover svg { width: 100%; height: 100%; }
.project-cover .badges { position: absolute; left: 10px; top: 10px; display: flex; gap: 5px; }
.project-body { padding: 15px 16px 14px; display: flex; flex-direction: column; flex: 1; }
.project-body h4 { font-size: 14px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.project-body h4 .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.project-stats { display: flex; gap: 16px; margin-top: 10px; font-size: 11.5px; color: var(--muted); }
.project-stats b { font-family: var(--mono); color: var(--ink-2); font-weight: 600; }
.project-foot { margin-top: auto; padding-top: 13px; border-top: 1px solid var(--line-2); display: flex; align-items: center; justify-content: space-between; }
.project-foot .date { font-size: 11px; color: var(--muted-2); }
.project-foot .op { display: flex; gap: 2px; }
.kebab { width: 30px; height: 30px; border-radius: 7px; border: none; background: none; color: var(--muted); }
.kebab:hover { background: var(--bg); color: var(--ink); }

/* ---------- 设计交流 ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .2s var(--ease); }
.gallery-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.gallery-cover { height: 200px; background: linear-gradient(150deg, #eef3fb, #e1eaf8); position: relative; cursor: pointer; }
.gallery-cover svg { width: 100%; height: 100%; }
.gallery-cover .like {
  position: absolute; right: 10px; top: 10px; height: 28px; padding: 0 10px; border-radius: 999px;
  background: rgba(255,255,255,.92); border: 1px solid var(--line); display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--ink-3); backdrop-filter: blur(6px);
}
.gallery-cover .like:hover { color: var(--danger); border-color: #f3c9ca; }
.gallery-body { padding: 14px 16px 16px; }
.gallery-body h4 { font-size: 14px; }
.gallery-author { display: flex; align-items: center; gap: 8px; margin-top: 11px; }
.gallery-author .avatar { width: 24px; height: 24px; font-size: 10.5px; }
.gallery-author span { font-size: 11.5px; color: var(--muted); }
.gallery-meta { display: flex; gap: 14px; margin-top: 11px; font-size: 11.5px; color: var(--muted-2); }
.gallery-meta b { color: var(--ink-2); font-family: var(--mono); }

/* ---------- 商城 ---------- */
.mall-layout { display: grid; grid-template-columns: 208px 1fr; gap: 24px; }
.mall-side { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 8px; height: fit-content; position: sticky; top: 88px; }
.mall-side h5 { font-size: 11px; letter-spacing: .1em; color: var(--muted-2); text-transform: uppercase; padding: 12px 12px 8px; }
.mall-side button { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 9px 12px; border: none; background: none; border-radius: 8px; font-size: 13px; color: var(--ink-3); }
.mall-side button:hover { background: var(--bg); }
.mall-side button.on { background: var(--primary-soft); color: var(--primary); font-weight: 500; }
.mall-side button span { font-family: var(--mono); font-size: 11px; color: var(--muted-2); }
.mall-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mall-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; transition: all .18s; }
.mall-card:hover { border-color: #cfdcf0; box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.mall-ico { height: 92px; border-radius: 10px; background: linear-gradient(150deg, #f0f4fb, #e6edf8); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 28px; margin-bottom: 13px; }
.mall-card h4 { font-size: 13px; line-height: 1.5; min-height: 39px; }
.mall-card .spec { font-size: 11px; color: var(--muted); margin-top: 4px; font-family: var(--mono); }
.mall-price { margin-top: 10px; display: flex; align-items: baseline; gap: 4px; }
.mall-price b { font-family: var(--mono); color: var(--danger); font-size: 18px; }
.mall-price span { font-size: 11px; color: var(--muted); }
.mall-card .btn { margin-top: 12px; }
.inquiry-bar {
  position: fixed; right: 24px; bottom: 24px; z-index: 500; background: var(--ink); color: #fff;
  border-radius: 14px; padding: 12px 14px; display: flex; align-items: center; gap: 14px; box-shadow: var(--shadow-lg);
}
.inquiry-bar b { font-family: var(--mono); font-size: 18px; }
.inquiry-bar span { font-size: 12px; color: rgba(255,255,255,.6); }

/* ---------- 订单 ---------- */
.order-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.order-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.order-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 20px; background: #fafcff; border-bottom: 1px solid var(--line-2); flex-wrap: wrap; }
.order-head .no { font-family: var(--mono); font-size: 13px; font-weight: 600; }
.order-head .time { font-size: 11.5px; color: var(--muted-2); margin-left: 12px; }
.order-body { padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.order-info { display: flex; gap: 34px; flex-wrap: wrap; }
.order-info .item span { display: block; font-size: 11px; color: var(--muted); }
.order-info .item b { font-size: 13px; margin-top: 2px; display: block; }
.order-info .item b.amount { font-family: var(--mono); color: var(--danger); font-size: 16px; }
.order-actions { display: flex; gap: 8px; }
.status-flow { display: flex; align-items: center; gap: 0; margin: 24px 0 8px; }
.status-flow .step { flex: 1; position: relative; text-align: center; font-size: 11.5px; color: var(--muted-2); }
.status-flow .step::before { content: ""; display: block; width: 9px; height: 9px; border-radius: 50%; background: #dfe5ee; margin: 0 auto 8px; position: relative; z-index: 2; }
.status-flow .step::after { content: ""; position: absolute; top: 4px; left: 0; right: 0; height: 1px; background: #e6ebf3; }
.status-flow .step:first-child::after { left: 50%; }
.status-flow .step:last-child::after { right: 50%; }
.status-flow .step.done { color: var(--accent); }
.status-flow .step.done::before { background: var(--accent); box-shadow: 0 0 0 3px rgba(0,179,155,.15); }
.status-flow .step.done::after { background: var(--accent); }
.status-flow .step.now { color: var(--primary); font-weight: 600; }
.status-flow .step.now::before { background: var(--primary); box-shadow: 0 0 0 4px rgba(29,92,255,.15); }

/* ---------- 登录 ---------- */
.auth-page { min-height: 100vh; display: grid; grid-template-columns: 1.08fr .92fr; background: #fff; }
.auth-art { position: relative; background: #0c1422; overflow: hidden; color: #fff; padding: 52px 56px; display: flex; flex-direction: column; }
.auth-art::before {
  content: ""; 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: 40px 40px; mask-image: radial-gradient(ellipse at 30% 30%, #000, transparent 78%);
}
.auth-art::after { content: ""; position: absolute; width: 520px; height: 520px; left: -140px; bottom: -180px; border-radius: 50%; background: radial-gradient(circle, rgba(29,92,255,.34), transparent 64%); }
.auth-art .brand { position: relative; z-index: 2; }
.auth-art .brand-text b { color: #fff; }
.auth-art .brand-text span { color: rgba(255,255,255,.4); }
.auth-art .art-body { margin: auto 0; position: relative; z-index: 2; }
.auth-art h2 { font-size: 38px; line-height: 1.28; letter-spacing: -.025em; }
.auth-art h2 .grad { background: linear-gradient(100deg, #5b8cff, #2fe0c4); -webkit-background-clip: text; background-clip: text; color: transparent; }
.auth-art p { color: rgba(255,255,255,.55); margin-top: 16px; max-width: 420px; line-height: 1.85; font-size: 14px; }
.auth-art .art-points { margin-top: 34px; display: flex; flex-direction: column; gap: 13px; }
.auth-art .art-points div { display: flex; align-items: center; gap: 10px; font-size: 13px; color: rgba(255,255,255,.72); }
.auth-art .art-points i { width: 20px; height: 20px; border-radius: 50%; background: rgba(29,92,255,.24); color: #7da3ff; display: flex; align-items: center; justify-content: center; font-size: 9px; }
.auth-art .foot { position: relative; z-index: 2; font-size: 11.5px; color: rgba(255,255,255,.32); }
.auth-form-wrap { display: flex; align-items: center; justify-content: center; padding: 40px; }
.auth-card { width: min(400px, 100%); }
.auth-card h1 { font-size: 26px; letter-spacing: -.02em; }
.auth-card .sub { color: var(--muted); font-size: 13px; margin-top: 8px; }
.auth-tabs { display: flex; gap: 26px; margin: 28px 0 22px; border-bottom: 1px solid var(--line); }
.auth-tabs button { padding: 0 0 11px; border: none; background: none; font-size: 14.5px; color: var(--muted); font-weight: 500; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.auth-tabs button.on { color: var(--primary); border-bottom-color: var(--primary); }
.auth-card .field { margin-bottom: 15px; }
.auth-card .input { height: 44px; }
.auth-submit { height: 46px; margin-top: 8px; }
.auth-note { margin-top: 20px; font-size: 11.5px; color: var(--muted-2); line-height: 1.7; text-align: center; }
.auth-back { position: absolute; top: 22px; right: 26px; font-size: 12.5px; color: var(--muted); z-index: 3; }
.auth-back:hover { color: var(--primary); }

/* ---------- 说明书 ---------- */
.doc-page { background: #fff; min-height: 100vh; }
.doc-wrap { max-width: 980px; margin: 0 auto; padding: 54px 40px 90px; }
.doc-cover { border-bottom: 2px solid var(--ink); padding-bottom: 28px; margin-bottom: 34px; }
.doc-cover .doc-brand { font-size: 12px; letter-spacing: .18em; color: var(--primary); font-family: var(--mono); text-transform: uppercase; }
.doc-cover h1 { font-size: 34px; margin-top: 12px; letter-spacing: -.02em; }
.doc-cover .meta { display: flex; gap: 26px; margin-top: 18px; font-size: 12.5px; color: var(--muted); flex-wrap: wrap; }
.doc-wrap h2 { font-size: 21px; margin: 40px 0 14px; padding-left: 13px; border-left: 4px solid var(--primary); }
.doc-wrap h3 { font-size: 16px; margin: 26px 0 10px; }
.doc-wrap h4 { font-size: 14px; margin: 18px 0 8px; color: var(--ink-3); }
.doc-wrap p { font-size: 13.5px; line-height: 1.95; color: #3a4658; margin: 8px 0; }
.doc-wrap li { font-size: 13.5px; line-height: 1.95; color: #3a4658; margin: 5px 0; padding-left: 18px; position: relative; }
.doc-wrap li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: #9fb3cd; }
.doc-wrap table { width: 100%; border-collapse: collapse; margin: 14px 0 20px; font-size: 13px; }
.doc-wrap th, .doc-wrap td { border: 1px solid #dde3ec; padding: 9px 12px; text-align: left; vertical-align: top; }
.doc-wrap th { background: #f5f7fb; font-weight: 600; color: #2c3a50; }
.doc-toc { background: #f7f9fd; border: 1px solid #e4e9f1; border-radius: 10px; padding: 18px 22px; margin: 22px 0 8px; }
.doc-toc h4 { margin-top: 0; }
.doc-toc ol { list-style: none; counter-reset: toc; columns: 2; column-gap: 30px; }
.doc-toc li { padding-left: 0; margin: 4px 0; font-size: 13px; }
.doc-toc li::before { display: none; }
.doc-toc a { color: #1d5cff; }
.note-box { background: #f2f7ff; border-left: 3px solid var(--primary); padding: 12px 16px; border-radius: 0 8px 8px 0; font-size: 13px; color: #33415c; margin: 14px 0; line-height: 1.8; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { height: 360px; margin-top: 10px; }
  .feature-grid, .tpl-grid, .gallery-grid, .project-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-item::after { display: none; }
  .mall-grid { grid-template-columns: repeat(3, 1fr); }
  .auth-page { grid-template-columns: 1fr; }
  .auth-art { display: none; }
  .stat-strip .container { grid-template-columns: repeat(2, 1fr); }
  .mall-layout { grid-template-columns: 1fr; }
  .mall-side { position: static; display: flex; overflow: auto; gap: 4px; }
  .mall-side h5 { display: none; }
  .mall-side button { width: auto; white-space: nowrap; }
}
@media (max-width: 720px) {
  .container { width: calc(100% - 28px); }
  .site-nav { display: none; }
  .hero { padding: 44px 0 56px; }
  .hero h1 { font-size: 30px; }
  .hero-meta { gap: 16px; flex-wrap: wrap; }
  .feature-grid, .tpl-grid, .gallery-grid, .project-grid, .flow { grid-template-columns: 1fr; }
  .mall-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 50px 0; }
  .cta-band { padding: 34px 26px; }
  .cta-band .inner { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-strip .container { grid-template-columns: 1fr 1fr; }
  .order-info { gap: 18px; }
}