/* ============================================================
   「鸮」IP 授权与形象应用平台 · 全站设计系统
   色系：汉代陶土暖灰褐 + 青瓷釉色 + 朱砂点缀
   ============================================================ */
:root {
  --paper: #f4eee1;
  --paper-2: #ede4d0;
  --surface: #fbf8f0;
  --surface-2: #f7f2e6;
  --ink: #2b2419;
  --ink-soft: #6a5c48;
  --ink-faint: #97897a;
  --terracotta: #9c5b3c;
  --terracotta-deep: #7c452e;
  --terracotta-soft: #c99a78;
  --celadon: #5f8d86;
  --celadon-deep: #3d6a62;
  --celadon-soft: #a8c4bd;
  --cinnabar: #b5472e;
  --cinnabar-deep: #93351f;
  --gold: #b28c4a;
  --line: #ddd2ba;
  --line-soft: #e7dfcd;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --shadow: 0 2px 6px rgba(63, 48, 32, .05), 0 12px 32px rgba(63, 48, 32, .08);
  --shadow-lg: 0 4px 12px rgba(63, 48, 32, .08), 0 24px 56px rgba(63, 48, 32, .14);
  --radius: 14px;
  --header-h: 68px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

::selection { background: var(--celadon-soft); color: var(--ink); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.serif { font-family: var(--serif); }

/* ---------- 顶部导航 ---------- */
.topbar {
  background: var(--ink);
  color: var(--paper-2);
  font-size: 12.5px;
  letter-spacing: .05em;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 34px; }
.topbar .tb-right { display: flex; gap: 22px; color: #cfc4ad; }
.topbar .tb-right span::before { content: "·"; margin-right: 8px; color: var(--terracotta-soft); }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(244, 238, 225, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(63, 48, 32, .10); }
.nav-row { display: flex; align-items: center; height: var(--header-h); gap: 36px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.seal {
  width: 42px; height: 42px; border-radius: 9px;
  background: linear-gradient(145deg, var(--cinnabar), var(--cinnabar-deep));
  color: #f8efdd; font-family: var(--serif); font-weight: 700;
  display: grid; place-items: center; font-size: 23px;
  box-shadow: inset 0 0 0 1.5px rgba(248, 239, 221, .55), 0 3px 8px rgba(147, 53, 31, .35);
}
.brand-text { line-height: 1.25; }
.brand-text .bt-cn { font-family: var(--serif); font-size: 19px; font-weight: 700; letter-spacing: .06em; }
.brand-text .bt-en { font-size: 10.5px; color: var(--ink-faint); letter-spacing: .18em; text-transform: uppercase; }

.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a {
  padding: 8px 14px; border-radius: 8px; font-size: 14.5px; color: var(--ink-soft);
  transition: color .2s, background .2s; position: relative; white-space: nowrap;
}
.main-nav a:hover { color: var(--ink); background: rgba(156, 91, 60, .08); }
.main-nav a.active { color: var(--cinnabar-deep); font-weight: 600; }
.main-nav a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--cinnabar); border-radius: 2px;
}
.nav-cta { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px; border-radius: 9px; font-size: 14.5px; font-weight: 600;
  transition: transform .18s, box-shadow .18s, background .18s, color .18s;
  border: 1.5px solid transparent; white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.98); }
.btn-primary { background: linear-gradient(150deg, var(--terracotta), var(--terracotta-deep)); color: #fbf5e8; box-shadow: 0 4px 14px rgba(124, 69, 46, .32); }
.btn-primary:hover { box-shadow: 0 6px 20px rgba(124, 69, 46, .42); transform: translateY(-1px); }
.btn-cinnabar { background: linear-gradient(150deg, var(--cinnabar), var(--cinnabar-deep)); color: #fbf5e8; box-shadow: 0 4px 14px rgba(147, 53, 31, .3); }
.btn-cinnabar:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(147, 53, 31, .4); }
.btn-ghost { border-color: var(--terracotta); color: var(--terracotta-deep); background: rgba(251, 248, 240, .6); }
.btn-ghost:hover { background: var(--terracotta); color: #fbf5e8; }
.btn-celadon { background: linear-gradient(150deg, var(--celadon), var(--celadon-deep)); color: #f4f8f4; box-shadow: 0 4px 14px rgba(61, 106, 98, .3); }
.btn-celadon:hover { transform: translateY(-1px); }
.btn-sm { padding: 7px 15px; font-size: 13.5px; border-radius: 8px; }
.btn-block { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 84px 0 96px; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(720px 420px at 88% 12%, rgba(95, 141, 134, .14), transparent 60%),
    radial-gradient(640px 480px at 6% 88%, rgba(156, 91, 60, .12), transparent 60%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: .28em; color: var(--celadon-deep);
  font-weight: 600; margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 34px; height: 1.5px; background: var(--celadon); }
.hero h1 {
  font-family: var(--serif); font-size: clamp(34px, 4.4vw, 54px);
  line-height: 1.24; font-weight: 700; letter-spacing: .02em; margin-bottom: 10px;
}
.hero h1 .accent { color: var(--cinnabar); }
.hero .subtitle {
  font-family: var(--serif); font-size: 19px; color: var(--ink-soft);
  margin: 14px 0 18px; letter-spacing: .04em;
}
.hero .lead { color: var(--ink-soft); max-width: 54ch; margin-bottom: 34px; }
.hero .lead strong { color: var(--terracotta-deep); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.hero-frame {
  border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid var(--line); background: var(--surface);
}
.hero-frame img { width: 100%; aspect-ratio: 4 / 4.4; object-fit: cover; }
.hero-chip {
  position: absolute; background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; box-shadow: var(--shadow); padding: 10px 16px;
  font-size: 13px; display: flex; align-items: center; gap: 10px;
}
.hero-chip .hc-dot { width: 9px; height: 9px; border-radius: 50%; }
.hero-chip small { display: block; color: var(--ink-faint); font-size: 11px; letter-spacing: .08em; }
.hero-chip.chip-a { top: 26px; left: -30px; animation: floaty 5s ease-in-out infinite; }
.hero-chip.chip-b { bottom: 30px; right: -22px; animation: floaty 6s ease-in-out infinite reverse; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ---------- 统计条 ---------- */
.stat-strip {
  background: var(--surface); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
}
.stat-strip .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-top: 34px; padding-bottom: 34px; }
.stat { text-align: center; }
.stat .num { font-family: var(--serif); font-size: 34px; font-weight: 700; color: var(--terracotta-deep); line-height: 1.15; }
.stat .num small { font-size: 16px; color: var(--celadon-deep); font-weight: 600; margin-left: 2px; }
.stat .lbl { font-size: 13px; color: var(--ink-soft); margin-top: 4px; letter-spacing: .06em; }

/* ---------- 版块通用 ---------- */
.section { padding: 84px 0; }
.section.alt { background: var(--surface); border-block: 1px solid var(--line-soft); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head h2 { font-family: var(--serif); font-size: clamp(26px, 3vw, 36px); font-weight: 700; line-height: 1.3; }
.section-head p { color: var(--ink-soft); margin-top: 14px; }
.section-head .eyebrow.center-eyebrow::before { display: none; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .eyebrow::after { content: ""; width: 34px; height: 1.5px; background: var(--celadon); }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius);
  overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--line); }
.card-body { padding: 22px 24px 26px; }
.card .kicker { font-size: 12px; letter-spacing: .2em; color: var(--celadon-deep); font-weight: 600; margin-bottom: 8px; }
.card h3 { font-family: var(--serif); font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--ink-soft); }
.card .card-media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper-2); }
.card .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card:hover .card-media img { transform: scale(1.045); }

.tag {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; padding: 3px 11px; border-radius: 99px;
  background: rgba(95, 141, 134, .12); color: var(--celadon-deep);
  border: 1px solid rgba(95, 141, 134, .25); font-weight: 600; letter-spacing: .04em;
}
.tag-terra { background: rgba(156, 91, 60, .1); color: var(--terracotta-deep); border-color: rgba(156, 91, 60, .28); }
.tag-cin { background: rgba(181, 71, 46, .09); color: var(--cinnabar-deep); border-color: rgba(181, 71, 46, .26); }
.tag-gold { background: rgba(178, 140, 74, .12); color: #8a6a2f; border-color: rgba(178, 140, 74, .3); }

/* ---------- 页面头图（内页） ---------- */
.page-hero {
  padding: 66px 0 54px; position: relative; overflow: hidden;
  background:
    linear-gradient(180deg, var(--paper-2), var(--paper) 90%);
  border-bottom: 1px solid var(--line-soft);
}
.page-hero .container { position: relative; }
.page-hero h1 { font-family: var(--serif); font-size: clamp(30px, 3.6vw, 44px); font-weight: 700; line-height: 1.25; }
.page-hero .ph-sub { color: var(--ink-soft); margin-top: 14px; max-width: 68ch; font-size: 16px; }
.crumb { font-size: 13px; color: var(--ink-faint); margin-bottom: 18px; letter-spacing: .06em; }
.crumb a:hover { color: var(--cinnabar-deep); }
.crumb .sep { margin: 0 8px; color: var(--line); }

/* ---------- 三步收入线 / 特性 ---------- */
.revenue-card { padding: 30px 28px; position: relative; }
.revenue-card .rc-num {
  font-family: var(--serif); font-size: 15px; font-weight: 700; color: var(--cinnabar);
  border: 1.5px solid var(--cinnabar); border-radius: 8px; width: 34px; height: 34px;
  display: grid; place-items: center; margin-bottom: 16px;
}
.revenue-card h3 { font-size: 20px; margin-bottom: 6px; }
.revenue-card .rc-tagline { font-size: 13px; color: var(--celadon-deep); font-weight: 600; margin-bottom: 12px; }

/* ---------- 时间线（授权流程） ---------- */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.tl-step { position: relative; padding-top: 54px; }
.tl-step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: 0; left: 0;
  font-family: var(--serif); font-size: 22px; font-weight: 700; color: #fbf5e8;
  background: linear-gradient(150deg, var(--terracotta), var(--terracotta-deep));
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  box-shadow: 0 4px 10px rgba(124, 69, 46, .28);
}
.tl-step::after {
  content: ""; position: absolute; top: 22px; left: 54px; right: -18px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--terracotta-soft) 0 6px, transparent 6px 12px);
}
.tl-step:last-child::after { display: none; }
.tl-step h4 { font-family: var(--serif); font-size: 16.5px; font-weight: 700; margin-bottom: 6px; }
.tl-step p { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- 价格对照表 ---------- */
.price-table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--surface); }
table.price-table { width: 100%; border-collapse: collapse; min-width: 760px; }
table.price-table th, table.price-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line-soft); font-size: 14.5px; vertical-align: top; }
table.price-table thead th { background: var(--paper-2); font-family: var(--serif); font-size: 16px; font-weight: 700; }
table.price-table thead th .th-en { display: block; font-size: 11px; color: var(--ink-faint); font-family: var(--sans); letter-spacing: .14em; font-weight: 400; margin-top: 2px; }
table.price-table tbody th { font-weight: 600; color: var(--ink); white-space: nowrap; background: rgba(247, 242, 230, .5); }
table.price-table td .yes { color: var(--celadon-deep); font-weight: 700; }
table.price-table td .no { color: var(--ink-faint); }
table.price-table tr:last-child th, table.price-table tr:last-child td { border-bottom: none; }
table.price-table tr.hl td, table.price-table tr.hl th { background: rgba(181, 71, 46, .05); }

/* ---------- FAQ 手风琴 ---------- */
.accordion { max-width: 860px; margin-inline: auto; }
.acc-item { background: var(--surface); border: 1px solid var(--line-soft); border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.acc-item.open { border-color: var(--terracotta-soft); box-shadow: var(--shadow); }
.acc-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px; text-align: left; font-weight: 600; font-size: 15.5px; }
.acc-q .acc-icon { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--terracotta); color: var(--terracotta-deep); display: grid; place-items: center; font-size: 16px; transition: transform .3s, background .2s; line-height: 1; }
.acc-item.open .acc-q .acc-icon { transform: rotate(45deg); background: var(--terracotta); color: #fbf5e8; }
.acc-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.acc-a-inner { padding: 0 22px 20px; color: var(--ink-soft); font-size: 14.5px; }

/* ---------- 表单 ---------- */
.form-card { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 34px 36px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.form-field label .req { color: var(--cinnabar); margin-left: 2px; }
.form-field input, .form-field select, .form-field textarea {
  padding: 11px 14px; border: 1.5px solid var(--line); border-radius: 9px;
  background: #fffdf8; transition: border-color .2s, box-shadow .2s; outline: none; width: 100%;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--celadon); box-shadow: 0 0 0 3px rgba(95, 141, 134, .15); }
.form-field .err-msg { font-size: 12px; color: var(--cinnabar); display: none; }
.form-field.invalid input, .form-field.invalid select, .form-field.invalid textarea { border-color: var(--cinnabar); }
.form-field.invalid .err-msg { display: block; }
.form-note { font-size: 12.5px; color: var(--ink-faint); margin-top: 14px; }
.form-success {
  display: none; background: rgba(95, 141, 134, .12); border: 1px solid var(--celadon-soft);
  color: var(--celadon-deep); border-radius: 12px; padding: 18px 22px; font-weight: 600; margin-top: 18px;
}
.form-success.show { display: block; animation: pop .35s ease; }
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ---------- 图库（水印预览） ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.filter-btn {
  padding: 7px 18px; border-radius: 99px; border: 1.5px solid var(--line);
  font-size: 13.5px; font-weight: 600; color: var(--ink-soft); background: var(--surface);
  transition: all .2s;
}
.filter-btn:hover { border-color: var(--terracotta-soft); color: var(--terracotta-deep); }
.filter-btn.active { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.gal-item { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--line-soft); background: var(--surface-2); cursor: zoom-in; }
.gal-item img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform .5s; }
.gal-item:hover img { transform: scale(1.05); }
.gal-item .gal-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 14px 12px;
  background: linear-gradient(180deg, transparent, rgba(43, 36, 25, .78));
  color: #f4eee1; font-size: 12.5px; display: flex; justify-content: space-between; align-items: end;
}
.gal-item .gal-cap .g-series { font-weight: 600; }
.gal-item .gal-cap .g-idx { color: rgba(244, 238, 225, .65); font-size: 11px; }
.gal-item .wm {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: repeating-linear-gradient(-45deg, transparent 0 42%, rgba(43, 36, 25, .05) 42% 84%);
}
.gal-item .wm::after {
  content: "鸮 IP · 预览水印"; position: absolute; inset: 0;
  display: grid; place-items: center; font-family: var(--serif);
  color: rgba(43, 36, 25, .22); font-size: 15px; letter-spacing: .3em; transform: rotate(-24deg);
  font-weight: 700; white-space: nowrap;
}
.locked .gal-item .gal-cap { background: linear-gradient(180deg, transparent, rgba(43, 36, 25, .88)); }
.gal-lock {
  position: absolute; inset: 0; display: grid; place-items: center; z-index: 3;
  background: rgba(43, 36, 25, .34); backdrop-filter: blur(2.5px);
  color: #f4eee1; text-align: center; gap: 10px;
}
.gal-lock .gl-box { display: grid; gap: 8px; justify-items: center; }
.gal-lock .gl-icon { width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid rgba(244, 238, 225, .7); display: grid; place-items: center; font-size: 20px; }
.gal-lock .gl-t { font-family: var(--serif); font-size: 17px; font-weight: 700; letter-spacing: .08em; }
.gal-lock .gl-s { font-size: 12.5px; opacity: .85; }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 300; background: rgba(28, 23, 16, .9);
  display: none; place-items: center; padding: 40px; backdrop-filter: blur(6px);
}
.lightbox.show { display: grid; animation: fadeIn .25s; }
@keyframes fadeIn { from { opacity: 0; } }
.lightbox img { max-width: min(880px, 92vw); max-height: 84vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.lb-cap { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; color: rgba(244,238,225,.8); font-size: 13.5px; letter-spacing: .06em; }
.lb-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%; border: 1.5px solid rgba(244,238,225,.4);
  color: #f4eee1; font-size: 22px; display: grid; place-items: center; transition: background .2s;
  background: rgba(255,255,255,.06);
}
.lb-btn:hover { background: rgba(255,255,255,.16); }
.lb-prev { left: 26px; } .lb-next { right: 26px; }
.lb-close { position: absolute; top: 22px; right: 26px; width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid rgba(244,238,225,.4); color: #f4eee1; font-size: 20px; display: grid; place-items: center; background: rgba(255,255,255,.06); }
.lb-close:hover { background: rgba(255,255,255,.16); }

/* ---------- 配置器 ---------- */
.configurator { display: grid; grid-template-columns: 1.25fr .75fr; gap: 26px; align-items: start; }
.cfg-panel { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 28px 30px; }
.cfg-group { margin-bottom: 24px; }
.cfg-group > .cfg-label { font-size: 13px; font-weight: 700; letter-spacing: .12em; color: var(--celadon-deep); margin-bottom: 11px; display: flex; align-items: center; gap: 8px; }
.cfg-group > .cfg-label::before { content: ""; width: 6px; height: 6px; border-radius: 2px; background: var(--cinnabar); }
.cfg-opts { display: flex; flex-wrap: wrap; gap: 9px; }
.cfg-opt {
  padding: 8px 16px; border-radius: 9px; border: 1.5px solid var(--line);
  font-size: 13.5px; font-weight: 600; color: var(--ink-soft); background: #fffdf8; transition: all .18s;
}
.cfg-opt:hover { border-color: var(--terracotta-soft); }
.cfg-opt.active { border-color: var(--terracotta); background: rgba(156, 91, 60, .09); color: var(--terracotta-deep); }
.cfg-result {
  background: linear-gradient(160deg, var(--ink), #443a2b); color: var(--paper);
  border-radius: var(--radius); padding: 30px 30px; position: sticky; top: calc(var(--header-h) + 20px);
  box-shadow: var(--shadow-lg);
}
.cfg-result .cr-k { font-size: 12.5px; letter-spacing: .2em; color: var(--terracotta-soft); font-weight: 600; }
.cfg-result .cr-price { font-family: var(--serif); font-size: 40px; font-weight: 700; margin: 10px 0 4px; color: #f4eee1; }
.cfg-result .cr-price small { font-size: 15px; color: var(--terracotta-soft); font-weight: 400; margin-right: 4px; }
.cfg-result .cr-range { font-size: 13px; color: rgba(244,238,225,.72); }
.cfg-result .cr-desc { font-size: 13.5px; color: rgba(244,238,225,.8); margin: 16px 0 22px; line-height: 1.7; }
.cfg-result .cr-desc strong { color: #e8c9a0; }
.cfg-result .btn { width: 100%; }
.cfg-result .cr-note { font-size: 11.5px; color: rgba(244,238,225,.5); margin-top: 14px; line-height: 1.6; }
.cfg-model-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 6px; }
.cfg-model-tags .tag { background: rgba(244,238,225,.1); border-color: rgba(244,238,225,.22); color: #e5dcc8; }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  background:
    radial-gradient(600px 300px at 85% 20%, rgba(95, 141, 134, .25), transparent 60%),
    linear-gradient(140deg, #332a1e, #4a3d2c);
  color: var(--paper); border-radius: 22px; padding: 58px 56px; position: relative; overflow: hidden;
}
.cta-banner::after {
  content: "鸮"; position: absolute; right: 30px; bottom: -70px; font-family: var(--serif);
  font-size: 240px; font-weight: 700; color: rgba(244, 238, 225, .05); line-height: 1; pointer-events: none;
}
.cta-banner h2 { font-family: var(--serif); font-size: clamp(24px, 2.6vw, 32px); font-weight: 700; margin-bottom: 12px; }
.cta-banner p { color: rgba(244, 238, 225, .78); max-width: 60ch; margin-bottom: 28px; }
.cta-banner .row { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-banner .btn-ghost { border-color: rgba(244,238,225,.45); color: var(--paper); background: transparent; }
.cta-banner .btn-ghost:hover { background: rgba(244,238,225,.14); color: var(--paper); }

/* ---------- 页脚 ---------- */
.site-footer { background: #2b2419; color: #b7ab93; padding: 64px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.site-footer .brand-text .bt-cn { color: var(--paper); }
.site-footer .f-about { font-size: 13.5px; margin: 18px 0; line-height: 1.8; max-width: 34ch; }
.site-footer .f-cert { font-size: 12px; color: #8d8172; line-height: 1.7; }
.f-col h4 { font-family: var(--serif); color: var(--paper); font-size: 15.5px; margin-bottom: 16px; letter-spacing: .06em; }
.f-col a { display: block; font-size: 13.5px; padding: 5px 0; color: #b7ab93; transition: color .2s, padding-left .2s; }
.f-col a:hover { color: #e8c9a0; padding-left: 5px; }
.footer-bottom { border-top: 1px solid #453b2c; padding: 20px 0; font-size: 12.5px; color: #8d8172; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .tl-step::after { display: none; }
  .configurator { grid-template-columns: 1fr; }
  .cfg-result { position: static; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .main-nav, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open {
    display: flex; flex-direction: column; position: absolute; top: var(--header-h);
    left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--line);
    padding: 14px 28px 20px; gap: 2px; box-shadow: var(--shadow-lg);
  }
  .main-nav.open a { padding: 12px 14px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding-top: 56px; }
  .hero-chip.chip-a { left: 8px; } .hero-chip.chip-b { right: 8px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stat-strip .container { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 60px 0; }
  .cta-banner { padding: 40px 30px; }
  .form-card { padding: 26px 22px; }
}
@media (max-width: 520px) {
  .gallery { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .topbar .tb-right span:nth-child(2) { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}