/* ===========================================================
   SEEU 皙佑 — 品牌官网样式
   风格：老钱风 Old Money ｜ 主色：棕 + 金
   =========================================================== */

:root {
  /* 棕 */
  --brown-900: #241a12;
  --brown-800: #34251a;
  --brown-700: #4a3524;
  --brown-600: #6a4e35;
  --brown-400: #94755a;
  --brown-200: #c8b39c;

  /* 金 */
  --gold: #b89145;
  --gold-light: #d8b877;
  --gold-pale: #e7d3a5;
  --gold-deep: #8a6a2c;

  /* 中性 */
  --cream: #f6f1e8;
  --cream-2: #efe7da;
  --paper: #fbf8f3;
  --ink: #2a201a;
  --ink-soft: #6b5c4e;

  --font-serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-en: "Cormorant Garamond", "Times New Roman", Georgia, serif;

  --maxw: 1200px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ---------- 通用排版 ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.wrap-narrow { width: 100%; max-width: 880px; margin: 0 auto; padding: 0 32px; }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 0 0 18px;
}

.section-title {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 500;
  letter-spacing: .08em;
  line-height: 1.5;
  margin: 0 0 20px;
}

.lede {
  font-size: 16px;
  line-height: 2.1;
  color: var(--ink-soft);
  max-width: 720px;
}

.rule {
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(184,145,69,0));
  border: 0;
  margin: 0;
}

.rule-center {
  width: 60px; height: 1px;
  background: var(--gold);
  margin: 26px auto;
}

section { padding: 96px 0; }
section.tight { padding: 64px 0; }

.grid { display: grid; gap: 32px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 页头 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  background: rgba(36, 26, 18, .92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(184,145,69,.28);
  transition: background .4s var(--ease);
}
.site-header.solid { background: rgba(36,26,18,.98); }

.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: baseline; gap: 14px; }
.brand-mark {
  font-family: var(--font-en);
  font-size: 26px;
  letter-spacing: .3em;
  color: var(--gold-light);
  line-height: 1;
}
.brand-cn {
  font-size: 17px;
  letter-spacing: .32em;
  color: var(--gold-pale);
}
.brand-sub {
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: .3em;
  color: rgba(231,211,165,.55);
  text-transform: uppercase;
}

.nav-links { display: flex; align-items: center; gap: 38px; }
.nav-links a {
  font-size: 15px;
  letter-spacing: .18em;
  color: rgba(246,241,232,.78);
  position: relative;
  padding: 6px 0;
  transition: color .3s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold-light);
  transition: width .35s var(--ease);
}
.nav-links a:hover { color: var(--gold-light); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--gold-light); }

.nav-actions { display: flex; align-items: center; gap: 16px; }

.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: .2em;
  padding: 14px 30px;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold-light);
  cursor: pointer;
  transition: all .35s var(--ease);
}
.btn:hover { background: var(--gold); color: var(--brown-900); }

.btn-solid { background: var(--gold); color: var(--brown-900); }
.btn-solid:hover { background: var(--gold-light); }

.btn-dark {
  border-color: rgba(255,255,255,.35);
  color: #f6f1e8;
}
.btn-dark:hover { background: #f6f1e8; color: var(--brown-900); }

.btn-brown {
  border-color: var(--brown-700);
  color: var(--brown-700);
}
.btn-brown:hover { background: var(--brown-700); color: var(--gold-pale); }

.btn-sm { padding: 9px 20px; font-size: 12px; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid rgba(184,145,69,.5);
  background: transparent;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute; left: 10px; right: 10px; height: 1px;
  background: var(--gold-light);
  transition: all .3s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 24px; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--brown-900);
}
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: .62; }
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(36,26,18,.78) 0%, rgba(36,26,18,.42) 45%, rgba(36,26,18,.9) 100%);
}
.hero-inner { position: relative; z-index: 2; padding-top: 78px; }
.hero-title {
  font-size: clamp(38px, 6.4vw, 78px);
  line-height: 1.24;
  letter-spacing: .1em;
  color: #f7f2ea;
  margin: 0 0 8px;
  font-weight: 400;
}
.hero-en {
  font-family: var(--font-en);
  font-size: clamp(15px, 1.6vw, 20px);
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin: 0 0 30px;
}
.hero-slogan {
  font-size: clamp(18px, 2.2vw, 25px);
  letter-spacing: .26em;
  color: var(--gold-pale);
  margin: 0 0 22px;
}
.hero-desc {
  color: rgba(246,241,232,.76);
  max-width: 560px;
  line-height: 2.2;
  font-size: 15px;
}
.hero-cta { display: flex; gap: 18px; margin-top: 42px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute;
  left: 50%; bottom: 34px;
  transform: translateX(-50%);
  z-index: 3;
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: .3em;
  color: rgba(231,211,165,.7);
  text-transform: uppercase;
  text-align: center;
}
.hero-scroll i {
  display: block; width: 1px; height: 46px;
  margin: 12px auto 0;
  background: linear-gradient(180deg, var(--gold), transparent);
}

/* ---------- 品牌三要素 ---------- */
.facts {
  background: var(--brown-900);
  color: #f3ede3;
  padding: 74px 0;
}
.facts .grid { gap: 0; }
.fact {
  padding: 0 34px;
  border-left: 1px solid rgba(184,145,69,.3);
  text-align: center;
}
.fact:first-child { border-left: 0; }
.fact-label {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.fact-value {
  font-size: clamp(20px, 2.3vw, 27px);
  letter-spacing: .14em;
  color: #f7f2ea;
  line-height: 1.6;
}
.fact-note {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(246,241,232,.5);
  margin-top: 10px;
}

/* ---------- 信仰 / 卡片 ---------- */
.creed-card {
  background: var(--paper);
  border: 1px solid rgba(106,78,53,.18);
  padding: 46px 38px;
  position: relative;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.creed-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(36,26,18,.1); }
.creed-no {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--gold);
  margin-bottom: 18px;
}
.creed-title {
  font-size: 22px;
  letter-spacing: .12em;
  margin: 0 0 6px;
}
.creed-en {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--brown-400);
  margin-bottom: 18px;
}
.creed-text { font-size: 14.5px; color: var(--ink-soft); line-height: 2.05; margin: 0; }

/* ---------- 图 + 文 双栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media { position: relative; }
.split-media img { width: 100%; height: 520px; object-fit: cover; }
.split-media::before {
  content: "";
  position: absolute;
  inset: 22px -22px -22px 22px;
  border: 1px solid rgba(184,145,69,.5);
  pointer-events: none;
}
.num-badge {
  font-family: var(--font-en);
  font-size: 54px;
  line-height: 1;
  color: rgba(184,145,69,.32);
  margin-bottom: 10px;
}

/* ---------- 业务体系 ---------- */
.pillar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid rgba(106,78,53,.2);
  background: var(--paper);
  overflow: hidden;
}
.pillar + .pillar { margin-top: 40px; }
.pillar-media { min-height: 380px; }
.pillar-media img { width: 100%; height: 100%; object-fit: cover; }
.pillar-body { padding: 52px 48px; display: flex; flex-direction: column; justify-content: center; }
.pillar-no {
  font-family: var(--font-en);
  font-size: 12px; letter-spacing: .32em; color: var(--gold); margin-bottom: 14px;
}
.pillar-name { font-size: 24px; letter-spacing: .1em; margin: 0 0 4px; }
.pillar-en {
  font-family: var(--font-en);
  font-size: 12px; letter-spacing: .26em; text-transform: uppercase;
  color: var(--brown-400); margin-bottom: 18px;
}
.pillar-quote { font-size: 15px; color: var(--brown-700); line-height: 2; margin: 0 0 20px; }

/* ---------- 合作清单 ---------- */
.partner-list { list-style: none; margin: 0; padding: 0; }
.partner-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(106,78,53,.16);
  align-items: start;
}
.partner-list li:last-child { border-bottom: 1px solid rgba(106,78,53,.16); }
.partner-idx { font-family: var(--font-en); color: var(--gold); font-size: 14px; letter-spacing: .1em; }
.partner-name { font-size: 16px; letter-spacing: .06em; }
.partner-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--brown-600);
  border: 1px solid rgba(106,78,53,.35);
  padding: 1px 8px;
  margin-left: 10px;
  vertical-align: 2px;
}
.partner-desc { font-size: 13.5px; color: var(--ink-soft); line-height: 1.9; margin-top: 4px; }

/* ---------- 深色内容块 ---------- */
.dark-band { background: var(--brown-900); color: #f3ede3; }
.dark-band .section-title { color: #f7f2ea; }
.dark-band .lede { color: rgba(246,241,232,.72); }
.dark-band .eyebrow { color: var(--gold); }

.space-card {
  border: 1px solid rgba(184,145,69,.3);
  background: rgba(255,255,255,.03);
  padding: 0;
  overflow: hidden;
}
.space-card img { width: 100%; height: 240px; object-fit: cover; }
.space-body { padding: 32px 30px; }
.space-body h3 { font-size: 20px; letter-spacing: .1em; margin: 0 0 6px; color: #f7f2ea; font-weight: 500; }
.space-body .en {
  font-family: var(--font-en); font-size: 11px; letter-spacing: .28em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 14px;
}
.space-body p { font-size: 14px; color: rgba(246,241,232,.7); line-height: 2; margin: 0; }

/* ---------- 时间线 ---------- */
.timeline { border-left: 1px solid rgba(184,145,69,.45); padding-left: 34px; }
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item::before {
  content: "";
  position: absolute; left: -39px; top: 10px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px var(--cream);
}
.tl-year {
  font-family: var(--font-en); font-size: 15px; letter-spacing: .24em; color: var(--gold-deep);
}
.tl-title { font-size: 19px; letter-spacing: .08em; margin: 4px 0 8px; }
.tl-text { font-size: 14.5px; color: var(--ink-soft); line-height: 2.05; margin: 0; }

/* ---------- 价值观 ---------- */
.value-item { text-align: center; padding: 34px 18px; border: 1px solid rgba(106,78,53,.2); background: var(--paper); }
.value-item .cn { font-size: 19px; letter-spacing: .18em; color: var(--brown-800); }
.value-item .en { font-family: var(--font-sans); font-size: 10px; letter-spacing: .22em; color: var(--gold-deep); margin-top: 8px; text-transform: uppercase; }

/* ---------- 表单 ---------- */
.form-card {
  background: var(--paper);
  border: 1px solid rgba(106,78,53,.2);
  padding: 46px 44px;
}
.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--brown-600);
  margin-bottom: 9px;
  text-transform: uppercase;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid rgba(106,78,53,.32);
  background: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color .3s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--gold); }
.field textarea { min-height: 116px; resize: vertical; line-height: 1.8; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-note { font-family: var(--font-sans); font-size: 12px; color: var(--brown-400); line-height: 1.9; margin-top: 14px; }

/* ---------- 联系信息 ---------- */
.info-card {
  border: 1px solid rgba(106,78,53,.2);
  background: var(--paper);
  padding: 38px 34px;
}
.info-card h3 { font-size: 20px; letter-spacing: .12em; margin: 0 0 4px; font-weight: 500; }
.info-card .en { font-family: var(--font-sans); font-size: 10px; letter-spacing: .26em; color: var(--gold-deep); text-transform: uppercase; margin-bottom: 22px; }
.info-row { display: grid; grid-template-columns: 78px 1fr; gap: 12px; padding: 11px 0; border-top: 1px solid rgba(106,78,53,.14); font-size: 14.5px; }
.info-row .k { font-family: var(--font-sans); font-size: 12px; letter-spacing: .14em; color: var(--brown-400); }
.info-row .v { color: var(--ink); line-height: 1.85; }

/* ---------- 会员中心 ---------- */
.member-head {
  background: var(--brown-900);
  color: #f3ede3;
  padding: 156px 0 64px;
}
.member-head h1 { font-size: clamp(28px, 4vw, 44px); letter-spacing: .1em; font-weight: 400; margin: 0 0 10px; }
.member-head p { color: rgba(246,241,232,.66); font-size: 14.5px; margin: 0; }

.panel {
  background: var(--paper);
  border: 1px solid rgba(106,78,53,.2);
  padding: 40px 38px;
}
.panel h3 { font-size: 20px; letter-spacing: .1em; margin: 0 0 20px; font-weight: 500; }

.record {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid rgba(106,78,53,.16);
  align-items: center;
}
.record:last-of-type { border-bottom: 1px solid rgba(106,78,53,.16); }
.record .r-title { font-size: 16px; letter-spacing: .06em; }
.record .r-meta { font-family: var(--font-sans); font-size: 12px; color: var(--brown-400); margin-top: 4px; letter-spacing: .04em; }
.tag {
  font-family: var(--font-sans);
  font-size: 11px; letter-spacing: .14em;
  padding: 3px 12px;
  border: 1px solid var(--gold);
  color: var(--gold-deep);
}
.tag.done { border-color: rgba(106,78,53,.4); color: var(--brown-400); }
.tag.cancel { border-color: rgba(150,90,80,.5); color: #965a50; }

.empty { padding: 34px 0; text-align: center; color: var(--brown-400); font-size: 14px; }

/* ---------- 可滑动图廊 ---------- */
.gallery { position: relative; }

.gallery-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.gallery-track::-webkit-scrollbar { display: none; }

.slide {
  flex: 0 0 clamp(240px, 30%, 360px);
  scroll-snap-align: start;
  position: relative;
}

.slide figure { margin: 0; }

.slide .frame {
  position: relative;
  width: 100%;
  height: 268px;
  overflow: hidden;
  background: var(--cream-2);
  border: 1px solid rgba(106,78,53,.2);
  cursor: zoom-in;
}
.slide .frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.slide:hover .frame img { transform: scale(1.045); }

.slide figcaption {
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--brown-600);
  padding: 12px 2px 0;
  line-height: 1.7;
}

/* 空槽位（等待上传） */
.slot-empty {
  width: 100%; height: 268px;
  border: 1px dashed rgba(184,145,69,.75);
  background:
    repeating-linear-gradient(45deg, rgba(184,145,69,.05) 0 10px, transparent 10px 20px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px; text-align: center; padding: 16px;
}
.slot-empty .ic {
  width: 34px; height: 34px; border: 1px solid rgba(184,145,69,.6);
  position: relative;
}
.slot-empty .ic::before, .slot-empty .ic::after {
  content: ""; position: absolute; background: rgba(184,145,69,.75);
}
.slot-empty .ic::before { left: 6px; right: 6px; top: 50%; height: 1px; }
.slot-empty .ic::after { top: 6px; bottom: 6px; left: 50%; width: 1px; }
.slot-empty .fname {
  font-family: var(--font-sans); font-size: 12px; letter-spacing: .1em; color: var(--gold-deep);
}
.slot-empty .tip { font-family: var(--font-sans); font-size: 11px; letter-spacing: .06em; color: var(--brown-400); }

/* 箭头 */
.gallery-nav {
  position: absolute; top: 118px; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(184,145,69,.7);
  background: rgba(251,248,243,.94);
  color: var(--brown-700);
  cursor: pointer; z-index: 4;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; line-height: 1;
  transition: all .3s var(--ease);
}
.gallery-nav:hover { background: var(--gold); color: var(--brown-900); }
.gallery-nav.prev { left: -22px; }
.gallery-nav.next { right: -22px; }
.gallery-nav[disabled] { opacity: .3; cursor: default; }

/* 指示点 */
.gallery-dots { display: flex; gap: 8px; justify-content: center; margin-top: 20px; }
.gallery-dots i {
  width: 22px; height: 2px; background: rgba(106,78,53,.25);
  display: block; transition: background .3s var(--ease);
}
.gallery-dots i.on { background: var(--gold); }

.gallery-count {
  font-family: var(--font-sans); font-size: 11px; letter-spacing: .2em;
  color: var(--brown-400); text-align: center; margin-top: 12px;
}

/* 灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(28,20,14,.96);
  display: none; align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 88vw; max-height: 82vh; object-fit: contain; }
.lightbox .lb-cap {
  position: absolute; bottom: 42px; left: 0; right: 0; text-align: center;
  font-family: var(--font-sans); font-size: 13px; letter-spacing: .12em; color: var(--gold-pale);
}
.lightbox .lb-close,
.lightbox .lb-prev,
.lightbox .lb-next {
  position: absolute; background: transparent; cursor: pointer;
  border: 1px solid rgba(184,145,69,.6); color: var(--gold-pale);
  width: 46px; height: 46px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.lightbox .lb-close { top: 28px; right: 28px; }
.lightbox .lb-prev { left: 4vw; top: 50%; transform: translateY(-50%); }
.lightbox .lb-next { right: 4vw; top: 50%; transform: translateY(-50%); }
.lightbox .lb-num {
  position: absolute; top: 34px; left: 0; right: 0; text-align: center;
  font-family: var(--font-sans); font-size: 12px; letter-spacing: .24em; color: rgba(231,211,165,.7);
}

/* ---------- 内页页头 ---------- */
.page-head {
  position: relative;
  background: var(--brown-900);
  color: #f3ede3;
  padding: 168px 0 84px;
  overflow: hidden;
}
.page-head .bg { position: absolute; inset: 0; }
.page-head .bg img { width: 100%; height: 100%; object-fit: cover; opacity: .38; }
.page-head .bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(36,26,18,.82), rgba(36,26,18,.72));
}
.page-head .inner { position: relative; z-index: 2; }
.page-head h1 { font-size: clamp(30px, 4.6vw, 52px); letter-spacing: .12em; font-weight: 400; margin: 0 0 12px; }
.page-head .sub { font-family: var(--font-sans); font-size: 12px; letter-spacing: .3em; color: var(--gold-light); text-transform: uppercase; margin: 0 0 20px; }
.page-head .desc { color: rgba(246,241,232,.72); max-width: 620px; line-height: 2.1; font-size: 15px; margin: 0; }

/* ---------- 登录页 ---------- */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.auth-media { position: relative; background: var(--brown-900); }
.auth-media img { width: 100%; height: 100%; object-fit: cover; opacity: .78; }
.auth-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(36,26,18,.55), rgba(36,26,18,.8));
}
.auth-media-copy {
  position: absolute; inset: auto 48px 56px; z-index: 2; color: #f3ede3;
}
.auth-media-copy .big { font-size: 30px; letter-spacing: .16em; margin-bottom: 8px; }
.auth-media-copy .sm { font-family: var(--font-sans); font-size: 12px; letter-spacing: .22em; color: var(--gold-light); text-transform: uppercase; }

.auth-panel {
  display: flex; align-items: center; justify-content: center;
  padding: 96px 48px;
  background: var(--cream);
}
.auth-box { width: 100%; max-width: 400px; }
.auth-tabs { display: flex; gap: 0; margin-bottom: 34px; border-bottom: 1px solid rgba(106,78,53,.24); }
.auth-tab {
  flex: 1; text-align: center; padding: 14px 0; cursor: pointer;
  font-size: 15px; letter-spacing: .18em; color: var(--brown-400);
  background: none; border: 0; font-family: var(--font-serif);
  transition: color .3s var(--ease);
  position: relative;
}
.auth-tab::after {
  content: ""; position: absolute; left: 0; bottom: -1px; width: 0; height: 1px; background: var(--gold);
  transition: width .3s var(--ease);
}
.auth-tab.active { color: var(--brown-800); }
.auth-tab.active::after { width: 100%; }

.auth-logo { text-align: center; margin-bottom: 30px; }
.auth-logo .mark { font-family: var(--font-en); font-size: 27px; letter-spacing: .32em; color: var(--brown-800); }
.auth-logo .cn { font-size: 15px; letter-spacing: .34em; color: var(--brown-600); margin-top: 4px; }

.alert {
  font-family: var(--font-sans);
  font-size: 13px;
  padding: 11px 14px;
  margin-bottom: 18px;
  border-left: 2px solid var(--gold);
  background: rgba(184,145,69,.1);
  color: var(--brown-700);
  display: none;
}
.alert.show { display: block; }
.alert.error { border-color: #965a50; background: rgba(150,90,80,.1); color: #8a4f46; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--brown-900);
  color: rgba(246,241,232,.7);
  padding: 76px 0 34px;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand .mark { font-family: var(--font-en); font-size: 26px; letter-spacing: .3em; color: var(--gold-light); }
.footer-brand .cn { font-size: 16px; letter-spacing: .3em; color: var(--gold-pale); margin-top: 4px; }
.footer-brand p { font-size: 13.5px; line-height: 2; color: rgba(246,241,232,.55); margin-top: 20px; max-width: 300px; }
.footer-col h4 {
  font-family: var(--font-sans); font-size: 11px; letter-spacing: .26em;
  color: var(--gold); text-transform: uppercase; margin: 0 0 18px; font-weight: 500;
}
.footer-col a, .footer-col p { display: block; font-size: 13.5px; line-height: 2.2; color: rgba(246,241,232,.66); }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  margin-top: 52px; padding-top: 24px;
  border-top: 1px solid rgba(184,145,69,.22);
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-family: var(--font-sans); font-size: 12px; color: rgba(246,241,232,.45);
}

/* ---------- 其他 ---------- */
.center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mt-56 { margin-top: 56px; }
.mb-40 { margin-bottom: 40px; }

.fade { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.fade.in { opacity: 1; transform: none; }

.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 20px);
  background: var(--brown-900); color: var(--gold-pale);
  border: 1px solid rgba(184,145,69,.5);
  padding: 13px 26px; font-family: var(--font-sans); font-size: 13px; letter-spacing: .1em;
  z-index: 200; opacity: 0; pointer-events: none;
  transition: all .35s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .pillar { grid-template-columns: 1fr; }
  .pillar-media { min-height: 300px; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-media { display: none; }
}

@media (max-width: 780px) {
  .nav-links {
    position: fixed; inset: 78px 0 auto 0;
    flex-direction: column; gap: 0;
    background: rgba(36,26,18,.98);
    padding: 12px 32px 26px;
    transform: translateY(-120%);
    transition: transform .4s var(--ease);
    border-bottom: 1px solid rgba(184,145,69,.3);
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid rgba(184,145,69,.14); width: 100%; }
  .nav-toggle { display: block; }
  .nav-actions .btn { padding: 10px 18px; font-size: 12px; }
  .wrap, .wrap-narrow { padding: 0 22px; }
  section { padding: 64px 0; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .split.reverse .split-media { order: 0; }
  .split-media img { height: 320px; }
  .form-card, .panel, .info-card { padding: 32px 24px; }
  .field-row { grid-template-columns: 1fr; }
  .facts .grid { grid-template-columns: 1fr 1fr; gap: 26px 0; }
  .fact { border-left: 0; padding: 0 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 92vh; }
}

/* ---------- 图廊响应式 ---------- */
@media (max-width: 780px) {
  .slide { flex: 0 0 82%; }
  .slide .frame, .slot-empty { height: 220px; }
  .gallery-nav { display: none; }
  .lightbox .lb-prev { left: 12px; }
  .lightbox .lb-next { right: 12px; }
}

/* ---------- 图廊区块头部 ---------- */
.gallery-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.gallery-head .t { font-size: clamp(22px, 3vw, 32px); letter-spacing: .1em; margin: 0; font-weight: 500; }
.gallery-head .d { font-size: 13.5px; color: var(--ink-soft); margin: 6px 0 0; max-width: 460px; line-height: 1.95; }
.gallery-head .en {
  font-family: var(--font-sans); font-size: 10px; letter-spacing: .28em;
  color: var(--gold-deep); text-transform: uppercase; margin-bottom: 8px;
}
.dark-band .gallery-head .t { color: #f7f2ea; }
.dark-band .gallery-head .d { color: rgba(246,241,232,.66); }

/* ---------- 紧凑清单（名称 + 短标签） ---------- */
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.chip-list li {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(106,78,53,.28);
  background: var(--paper);
  padding: 8px 14px;
  font-size: 14px; letter-spacing: .06em;
}
.chip-list li b { font-weight: 500; }
.chip-list li span {
  font-family: var(--font-sans); font-size: 10px; letter-spacing: .14em;
  color: var(--gold-deep); text-transform: uppercase;
}
.dark-band .chip-list li { background: rgba(255,255,255,.04); border-color: rgba(184,145,69,.35); color: #f3ede3; }
.dark-band .chip-list li span { color: var(--gold-light); }