/* =========================================================
   佛山市壹序科技服务有限公司 · 官网样式系统
   品牌色：壹以立本，序以长治
   主棕 #B0825E / 深棕 #6E4A30 / 金 #C8A45C
   ========================================================= */

:root {
  --brand: #B0825E;
  --brand-deep: #6E4A30;
  --brand-dark: #4E3320;
  --gold: #C8A45C;
  --gold-soft: #E4CFA6;

  --ink: #23201D;
  --ink-2: #5B5753;
  --ink-3: #8A857F;
  --ink-4: #B4AFA8;

  --bg: #FFFFFF;
  --bg-soft: #FAF8F5;
  --bg-deep: #2C2622;
  --line: #E9E3DA;
  --line-soft: #F2EDE6;

  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(46, 38, 32, .05);
  --shadow: 0 4px 20px rgba(46, 38, 32, .07);
  --shadow-lg: 0 12px 40px rgba(46, 38, 32, .12);

  --maxw: 1200px;
  --ease: cubic-bezier(.4, .01, .15, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "Microsoft YaHei", "微软雅黑", -apple-system, BlinkMacSystemFont,
               "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
ul { list-style: none; }

::selection { background: var(--gold-soft); color: var(--brand-dark); }

/* ---------- 布局容器 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.container-narrow { width: 100%; max-width: 880px; margin: 0 auto; padding: 0 32px; }

.section { padding: 100px 0; }
.section-sm { padding: 64px 0; }
.section-soft { background: var(--bg-soft); }
.section-deep { background: var(--bg-deep); color: #EFE9E1; }

/* ---------- 通用标题 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--brand); font-weight: 500;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--gold); }

.section-title {
  font-size: 32px; line-height: 1.45; font-weight: 600;
  color: var(--ink); margin-top: 18px; letter-spacing: .01em;
}
.section-desc {
  margin-top: 16px; color: var(--ink-2); font-size: 15.5px; line-height: 2;
  max-width: 680px;
}
.section-deep .section-title { color: #FFFFFF; }
.section-deep .section-desc { color: #C9C1B7; }
.section-deep .eyebrow { color: var(--gold); }

.divider { height: 1px; background: var(--line); border: 0; }
.gold-rule { width: 48px; height: 2px; background: var(--gold); margin: 28px 0 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: var(--radius);
  font-size: 14.5px; font-weight: 500; letter-spacing: .04em;
  border: 1px solid transparent; cursor: pointer;
  transition: all .28s var(--ease); white-space: nowrap;
}
.btn-primary { background: var(--brand-deep); color: #FFF; border-color: var(--brand-deep); }
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-gold { background: var(--gold); color: #4A3618; border-color: var(--gold); }
.btn-gold:hover { background: #B8934A; border-color: #B8934A; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--brand-deep); border-color: var(--brand); }
.btn-outline:hover { background: var(--brand); color: #FFF; }
.btn-ghost-light { background: transparent; color: #EFE9E1; border-color: rgba(233,225,214,.35); }
.btn-ghost-light:hover { border-color: var(--gold); color: var(--gold); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--brand-deep); font-size: 14px; font-weight: 500;
  transition: gap .25s var(--ease);
}
.link-arrow::after { content: "→"; transition: transform .25s var(--ease); }
.link-arrow:hover { gap: 12px; color: var(--brand); }

/* =========================================================
   页头导航
   ========================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(253,252,250,.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
/* 科创感①：顶部金色激光线（左浓右淡，像扫描线） */
.site-header::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg,
    var(--brand-deep) 0%, var(--brand) 20%, var(--gold) 50%, rgba(200,164,92,.12) 100%);
  pointer-events: none; z-index: 1;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  background: rgba(253,252,250,.97);
  box-shadow: 0 2px 18px rgba(46,38,32,.06);
}

.nav {
  height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.brand { display: flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand-mark {
  width: 40px; height: 40px; flex-shrink: 0;
  display: grid; place-items: center;
  border: 1.5px solid var(--brand);
  color: var(--brand-deep);
  font-size: 18px; font-weight: 700; letter-spacing: 0;
  border-radius: 3px;
  background: linear-gradient(135deg, rgba(200,164,92,.12), rgba(176,130,94,.06));
}
.brand-text { line-height: 1.3; }
.brand-logo { height: 38px; width: auto; flex-shrink: 0; display: block; }
.fb-logo { height: 48px; width: auto; display: block; margin-bottom: 18px; }
.brand-name { font-size: 16.5px; font-weight: 600; letter-spacing: .06em; color: var(--ink); }
/* 科创感②：英文副标转金色 + 大字距 */
.brand-sub { font-size: 10.5px; letter-spacing: .24em; color: var(--gold); text-transform: uppercase; }

.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-link {
  position: relative; font-size: 14.5px; color: var(--ink-2);
  padding: 7px 14px; border-radius: var(--radius);
  transition: color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
  letter-spacing: .05em;
}
.nav-link::after {
  content: ""; position: absolute; left: 50%; bottom: 3px; transform: translateX(-50%);
  width: 0; height: 1.5px; background: var(--gold); transition: width .3s var(--ease);
}
/* 科创感④：悬停淡金底 + 下划线动画 */
.nav-link:hover { color: var(--brand-deep); background: rgba(200,164,92,.09); }
.nav-link:hover::after { width: calc(100% - 28px); }
/* 科创感③：当前页 = 淡金胶囊 + 左侧 2px 金条 */
.nav-link.active {
  color: var(--brand-deep);
  background: #F7F0E1;
  box-shadow: inset 2px 0 0 var(--gold), inset 0 0 0 1px rgba(200,164,92,.35);
}
.nav-link.active::after { width: 0; }
/* 预约诊断按钮：深棕底嵌 1px 金边（科创感⑤） */
.nav-menu > .btn { margin-left: 12px; box-shadow: inset 0 0 0 1px rgba(200,164,92,.5); }
.nav-menu > .btn:hover { box-shadow: var(--shadow), inset 0 0 0 1px rgba(200,164,92,.75); }

.nav-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }

/* 登录 / 注册 两个独立入口 */
.nav-auth { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-auth .btn { white-space: nowrap; }

.nav-toggle { display: none; width: 40px; height: 40px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block; height: 1.5px; background: var(--ink); margin: 5px 0; border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease), background .3s var(--ease), width .3s var(--ease);
}
/* 移动端汉堡：一宽一窄 + 中线金色 */
.nav-toggle span:nth-child(1) { width: 100%; }
.nav-toggle span:nth-child(2) { width: 66%; background: var(--gold); }
.nav-toggle span:nth-child(3) { width: 82%; }
/* 展开时收敛为 X */
.nav-toggle.open span { width: 100%; background: var(--ink); }
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- 用户区 ---------- */
.user-chip {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 14px 6px 7px; border-radius: 40px;
  background: var(--bg-soft); border: 1px solid var(--line);
  font-size: 13.5px; color: var(--ink-2); transition: all .25s var(--ease);
}
.user-chip:hover { border-color: var(--brand); color: var(--brand-deep); }
.user-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--gold));
  color: #FFF; display: grid; place-items: center; font-size: 12.5px; font-weight: 600;
}

/* ---------- Banner ---------- */
.page-banner {
  padding: 168px 0 76px;
  background: linear-gradient(160deg, #FBF9F6 0%, #F5F0E9 55%, #EFE7DC 100%);
  border-bottom: 1px solid var(--line-soft);
  position: relative; overflow: hidden;
}
.page-banner::after {
  content: ""; position: absolute; right: -80px; top: -80px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200,164,92,.13), transparent 68%);
}
.page-banner h1 { font-size: 40px; font-weight: 600; letter-spacing: .02em; line-height: 1.4; margin-top: 16px; }
.page-banner p { margin-top: 18px; color: var(--ink-2); font-size: 15.5px; max-width: 640px; line-height: 2; }
.crumb { font-size: 13px; color: var(--ink-3); letter-spacing: .08em; }
.crumb a:hover { color: var(--brand); }

/* =========================================================
   首页 · Hero
   ========================================================= */
.hero {
  position: relative; min-height: 100vh; min-height: 680px;
  display: flex; align-items: center;
  padding: 150px 0 90px;
  background: linear-gradient(155deg, #FFFFFF 0%, #FBF8F4 45%, #F4EDE3 100%);
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(176,130,94,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176,130,94,.055) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(ellipse 80% 65% at 60% 45%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 65% at 60% 45%, #000 20%, transparent 75%);
}
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(2px);
}
.hero-orb.a { width: 460px; height: 460px; right: -120px; top: 4%; background: radial-gradient(circle, rgba(200,164,92,.17), transparent 66%); }
.hero-orb.b { width: 320px; height: 320px; right: 16%; bottom: -80px; background: radial-gradient(circle, rgba(176,130,94,.13), transparent 66%); }

.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 72px; align-items: center; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 16px; border: 1px solid rgba(176,130,94,.32);
  border-radius: 40px; font-size: 12.5px; color: var(--brand-deep);
  background: rgba(255,255,255,.6); letter-spacing: .08em;
}
.hero-tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 3px rgba(200,164,92,.2); }

.hero h1 {
  margin-top: 26px; font-size: 50px; line-height: 1.32; font-weight: 600;
  letter-spacing: .01em; color: var(--ink);
}
.hero h1 .accent { color: var(--brand-deep); position: relative; }
.hero h1 .accent::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 8px;
  background: rgba(200,164,92,.3); z-index: -1; border-radius: 2px;
}
.hero-lead { margin-top: 26px; font-size: 16.5px; line-height: 2.05; color: var(--ink-2); max-width: 580px; }
.hero-lead strong { color: var(--brand-deep); font-weight: 600; }
.hero-actions { margin-top: 40px; display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats { margin-top: 58px; display: flex; gap: 52px; padding-top: 30px; border-top: 1px solid var(--line); }
.hero-stat .num { font-size: 32px; font-weight: 600; color: var(--brand-deep); line-height: 1.2; letter-spacing: .01em; }
.hero-stat .num sup { font-size: 15px; color: var(--gold); font-weight: 500; margin-left: 2px; }
.hero-stat .lbl { font-size: 12.5px; color: var(--ink-3); letter-spacing: .1em; margin-top: 4px; }

/* Hero 右卡 */
.hero-card {
  position: relative; background: #FFF; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-lg);
}
.hero-card::before { content: ""; position: absolute; left: 0; top: 30px; bottom: 30px; width: 3px; background: linear-gradient(180deg, var(--gold), var(--brand)); border-radius: 3px; }
.hero-card h3 { font-size: 15px; font-weight: 600; letter-spacing: .1em; color: var(--ink); }
.hero-card .cap { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; letter-spacing: .05em; }
.model-251 { margin-top: 26px; display: grid; gap: 14px; }
.model-row { display: flex; gap: 14px; align-items: flex-start; }
.model-key {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 3px;
  display: grid; place-items: center; font-size: 15px; font-weight: 700;
  background: var(--bg-soft); color: var(--brand-deep); border: 1px solid var(--line);
}
.model-row:nth-child(1) .model-key { background: rgba(200,164,92,.14); border-color: var(--gold-soft); }
.model-row:nth-child(3) .model-key { background: rgba(110,74,48,.08); border-color: rgba(110,74,48,.2); color: var(--brand-deep); }
.model-body strong { display: block; font-size: 14px; font-weight: 600; color: var(--ink); }
.model-body span { font-size: 12.5px; color: var(--ink-3); line-height: 1.7; display: block; margin-top: 3px; }

/* =========================================================
   通用卡片
   ========================================================= */
.grid { display: grid; gap: 28px; }
.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: #FFF; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 36px 32px; transition: all .35s var(--ease); position: relative;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--gold-soft); }
.card-icon {
  width: 46px; height: 46px; border-radius: 3px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(176,130,94,.12), rgba(200,164,92,.12));
  color: var(--brand-deep); font-size: 20px; margin-bottom: 22px;
}
.card h3 { font-size: 18px; font-weight: 600; letter-spacing: .02em; }
.card p { margin-top: 12px; font-size: 14px; line-height: 1.95; color: var(--ink-2); }
.card .card-meta { margin-top: 20px; font-size: 12.5px; color: var(--gold); letter-spacing: .08em; font-weight: 500; }

/* ---------- 分区标题居中 ---------- */
.head-center { text-align: center; }
.head-center .eyebrow::after { content: ""; width: 24px; height: 1px; background: var(--gold); }
.head-center .eyebrow { justify-content: center; }
.head-center .gold-rule { margin-left: auto; margin-right: auto; }
.head-center .section-desc { margin-left: auto; margin-right: auto; }

/* =========================================================
   业务矩阵 / 定价
   ========================================================= */
.biz-row {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
}
.biz-item { background: #FFF; padding: 40px 38px; transition: background .35s var(--ease); }
.biz-item:hover { background: var(--bg-soft); }
.biz-item .idx { font-size: 12px; letter-spacing: .2em; color: var(--gold); font-weight: 600; }
.biz-item h3 { font-size: 21px; font-weight: 600; margin-top: 12px; letter-spacing: .02em; }
.biz-item p { margin-top: 14px; color: var(--ink-2); font-size: 14.5px; line-height: 2; }
.biz-item .tags { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 5px 13px; border-radius: 40px; font-size: 12.5px;
  background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-2); letter-spacing: .04em;
}
.tag-gold { background: rgba(200,164,92,.12); border-color: var(--gold-soft); color: #8A6B26; }

/* 定价卡 */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.price-card {
  background: #FFF; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 26px; display: flex; flex-direction: column;
  transition: all .35s var(--ease); position: relative;
}
.price-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--gold-soft); }
.price-card.featured { border-color: var(--brand); box-shadow: 0 6px 24px rgba(110,74,48,.1); }
.price-card.featured::before {
  content: "推荐"; position: absolute; top: -1px; right: 20px;
  background: var(--brand-deep); color: #FFF; font-size: 11px;
  padding: 3px 10px; border-radius: 0 0 3px 3px; letter-spacing: .1em;
}
.price-name { font-size: 16px; font-weight: 600; letter-spacing: .04em; }
.price-val { margin-top: 16px; font-size: 27px; font-weight: 600; color: var(--brand-deep); line-height: 1.2; }
.price-val small { font-size: 13px; color: var(--ink-3); font-weight: 400; margin-left: 4px; }
.price-from { font-size: 12px; color: var(--ink-4); letter-spacing: .06em; margin-top: 2px; }
.price-list { margin-top: 22px; padding-top: 20px; border-top: 1px dashed var(--line); flex: 1; }
.price-list li { position: relative; padding-left: 18px; font-size: 13.5px; color: var(--ink-2); line-height: 2.1; }
.price-list li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--gold);
}
.price-card .btn { margin-top: 24px; }

/* 八大模块 */
.module-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.module-cell { background: #FFF; padding: 26px 22px; text-align: center; transition: all .3s var(--ease); }
.module-cell:hover { background: var(--bg-soft); }
.module-cell .m-no { font-size: 11px; letter-spacing: .18em; color: var(--gold); }
.module-cell .m-name { font-size: 15.5px; font-weight: 600; margin-top: 8px; letter-spacing: .06em; }
.module-cell .m-en { font-size: 10.5px; color: var(--ink-4); letter-spacing: .14em; margin-top: 5px; text-transform: uppercase; }

/* 漏斗 */
.funnel { display: flex; align-items: stretch; gap: 16px; flex-wrap: wrap; justify-content: center; }
.funnel-step {
  flex: 1; min-width: 200px; background: #FFF; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 26px 22px; text-align: center; position: relative;
}
.funnel-step:not(:last-child)::after {
  content: "→"; position: absolute; right: -16px; top: 50%; transform: translateY(-50%);
  color: var(--gold); font-size: 17px; z-index: 2;
}
.funnel-step .f-price { font-size: 24px; font-weight: 600; color: var(--brand-deep); }
.funnel-step .f-name { font-size: 14.5px; font-weight: 600; margin-top: 8px; }
.funnel-step .f-desc { font-size: 12.5px; color: var(--ink-3); margin-top: 8px; line-height: 1.8; }

/* 流程 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.step { position: relative; padding: 0 22px; }
.step:not(:last-child)::after {
  content: ""; position: absolute; right: 0; top: 14px; width: 1px; height: calc(100% - 28px); background: var(--line);
}
.step .s-no { font-size: 34px; font-weight: 600; color: rgba(176,130,94,.24); line-height: 1; letter-spacing: .02em; }
.step .s-name { font-size: 16px; font-weight: 600; margin-top: 14px; }
.step .s-desc { font-size: 13.5px; color: var(--ink-2); margin-top: 10px; line-height: 1.95; }

/* =========================================================
   关于页
   ========================================================= */
.creed {
  background: linear-gradient(135deg, var(--brand-deep) 0%, #54381F 60%, var(--brand-dark) 100%);
  border-radius: var(--radius-lg); padding: 64px 56px; text-align: center; position: relative; overflow: hidden;
}
.creed::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: 44px 44px;
}
.creed-txt { position: relative; font-size: 34px; font-weight: 600; color: #FFF; letter-spacing: .22em; line-height: 1.7; }
.creed-en { position: relative; margin-top: 16px; font-size: 12px; letter-spacing: .34em; color: var(--gold-soft); text-transform: uppercase; }
.creed-desc { position: relative; margin-top: 26px; color: #D8CFC4; font-size: 14.5px; line-height: 2.1; max-width: 620px; margin-left: auto; margin-right: auto; }

.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item::before {
  content: ""; position: absolute; left: -34px; top: 8px; width: 11px; height: 11px;
  border-radius: 50%; background: #FFF; border: 2px solid var(--brand);
}
.tl-item .tl-year { font-size: 13px; letter-spacing: .16em; color: var(--gold); font-weight: 600; }
.tl-item .tl-title { font-size: 17px; font-weight: 600; margin-top: 8px; }
.tl-item .tl-desc { font-size: 14px; color: var(--ink-2); margin-top: 8px; line-height: 2; }

.team-card { text-align: center; background: #FFF; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px 28px; transition: all .35s var(--ease); }
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--gold-soft); }
.team-avatar {
  width: 88px; height: 88px; margin: 0 auto 22px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--gold));
  display: grid; place-items: center; color: #FFF; font-size: 26px; font-weight: 600; letter-spacing: .04em;
  box-shadow: 0 6px 20px rgba(110,74,48,.16);
}
.team-card .t-name { font-size: 18px; font-weight: 600; }
.team-card .t-role { font-size: 12.5px; color: var(--gold); letter-spacing: .12em; margin-top: 6px; }
.team-card .t-desc { font-size: 13.5px; color: var(--ink-2); margin-top: 16px; line-height: 2; text-align: left; }

.sub-brand { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sb-item { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px 20px; background: #FFF; transition: all .3s var(--ease); }
.sb-item:hover { border-color: var(--gold-soft); background: var(--bg-soft); }
.sb-item .sb-name { font-size: 16px; font-weight: 600; letter-spacing: .06em; }
.sb-item .sb-desc { font-size: 13px; color: var(--ink-2); margin-top: 10px; line-height: 1.9; }

.honor-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.honor-item { border-left: 2px solid var(--gold); padding-left: 20px; }
.honor-item .h-title { font-size: 15.5px; font-weight: 600; }
.honor-item .h-desc { font-size: 13.5px; color: var(--ink-2); margin-top: 8px; line-height: 1.9; }

/* =========================================================
   联系我们
   ========================================================= */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 68px; }
.info-line { display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.info-line:first-child { border-top: 1px solid var(--line); }
.info-ico { width: 38px; height: 38px; flex-shrink: 0; border-radius: 3px; display: grid; place-items: center; background: var(--bg-soft); border: 1px solid var(--line); color: var(--brand-deep); font-size: 15px; }
.info-body .i-lbl { font-size: 12.5px; letter-spacing: .14em; color: var(--ink-3); }
.info-body .i-val { font-size: 15px; margin-top: 5px; line-height: 1.8; color: var(--ink); }

.form-card { background: #FFF; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 44px; box-shadow: var(--shadow-sm); }
.form-row { margin-bottom: 22px; }
.form-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 9px; letter-spacing: .06em; }
.form-label .req { color: var(--brand); margin-left: 3px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 15px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-soft); transition: all .25s var(--ease); font-size: 14.5px;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: 0; border-color: var(--brand); background: #FFF; box-shadow: 0 0 0 3px rgba(176,130,94,.1);
}
.form-textarea { min-height: 118px; resize: vertical; line-height: 1.9; }
.form-select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A857F' stroke-width='1.4' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }

.map-box {
  margin-top: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--bg-soft); min-height: 220px; display: grid; place-items: center; position: relative;
}
.map-box iframe { width: 100%; height: 100%; min-height: 220px; border: 0; display: block; }
.map-placeholder { text-align: center; padding: 40px; color: var(--ink-3); font-size: 13.5px; line-height: 2; }

/* =========================================================
   登录 / 注册
   ========================================================= */
.auth-page { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-side {
  background: linear-gradient(150deg, var(--brand-deep) 0%, #54381F 55%, var(--brand-dark) 100%);
  position: relative; overflow: hidden; padding: 64px 60px;
  display: flex; flex-direction: column; justify-content: space-between; color: #EFE9E1;
}
.auth-side::after {
  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: 48px 48px;
}
.auth-side > * { position: relative; z-index: 2; }
.auth-side h2 { font-size: 30px; font-weight: 600; line-height: 1.55; letter-spacing: .04em; margin-top: 28px; }
.auth-side .side-desc { color: #C9C1B7; font-size: 14.5px; line-height: 2.1; margin-top: 20px; max-width: 400px; }
.auth-points { margin-top: 40px; display: grid; gap: 18px; }
.auth-point { display: flex; gap: 14px; align-items: flex-start; }
.auth-point .ap-ico { width: 30px; height: 30px; flex-shrink: 0; border-radius: 3px; border: 1px solid rgba(200,164,92,.4); display: grid; place-items: center; color: var(--gold); font-size: 13px; }
.auth-point .ap-txt { font-size: 14px; line-height: 1.85; color: #DCD5CC; }
.auth-foot { font-size: 12px; color: rgba(239,233,225,.5); letter-spacing: .1em; }

.auth-main { display: grid; place-items: center; padding: 64px 40px; background: #FFF; }
.auth-box { width: 100%; max-width: 400px; }
.auth-box h1 { font-size: 27px; font-weight: 600; letter-spacing: .03em; }
.auth-box .sub { color: var(--ink-3); font-size: 14px; margin-top: 10px; }
.auth-tabs { display: flex; gap: 0; margin: 30px 0 26px; border-bottom: 1px solid var(--line); }
.auth-tab {
  flex: 1; padding: 12px 0; background: none; border: 0; cursor: pointer;
  font-size: 15px; color: var(--ink-3); position: relative; transition: color .25s var(--ease);
}
.auth-tab.active { color: var(--brand-deep); font-weight: 600; }
.auth-tab.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--gold); }
.auth-switch { text-align: center; font-size: 13.5px; color: var(--ink-3); margin-top: 26px; }
.auth-switch button { background: none; border: 0; color: var(--brand-deep); cursor: pointer; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 13.5px; line-height: 1.8; margin-bottom: 20px; display: none; }
.alert.show { display: block; }
.alert-error { background: rgba(200,80,60,.07); border: 1px solid rgba(200,80,60,.22); color: #A3452F; }
.alert-success { background: rgba(60,140,90,.07); border: 1px solid rgba(60,140,90,.22); color: #2F7048; }
.alert-info { background: rgba(200,164,92,.09); border: 1px solid rgba(200,164,92,.3); color: #8A6B26; }

.mode-badge {
  display: inline-flex; align-items: center; gap: 7px; margin-bottom: 20px;
  padding: 6px 13px; border-radius: 40px; font-size: 12px;
  background: rgba(200,164,92,.1); border: 1px solid var(--gold-soft); color: #8A6B26; letter-spacing: .05em;
}

/* =========================================================
   会员中心
   ========================================================= */
.dash-wrap { display: grid; grid-template-columns: 232px 1fr; gap: 44px; align-items: start; }
.dash-side { position: sticky; top: 110px; }
.dash-user { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px 20px; text-align: center; background: #FFF; }
.dash-user .du-avatar { width: 60px; height: 60px; margin: 0 auto 14px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--gold)); color: #FFF; display: grid; place-items: center; font-size: 20px; font-weight: 600; }
.dash-user .du-name { font-size: 16px; font-weight: 600; }
.dash-user .du-mail { font-size: 12px; color: var(--ink-3); margin-top: 5px; word-break: break-all; }
.dash-nav { margin-top: 20px; display: grid; gap: 4px; }
.dash-nav button {
  display: flex; align-items: center; gap: 11px; width: 100%; padding: 12px 16px;
  background: none; border: 0; border-radius: var(--radius); cursor: pointer;
  font-size: 14px; color: var(--ink-2); text-align: left; transition: all .25s var(--ease);
}
.dash-nav button:hover { background: var(--bg-soft); color: var(--brand-deep); }
.dash-nav button.active { background: var(--bg-soft); color: var(--brand-deep); font-weight: 600; box-shadow: inset 2px 0 0 var(--gold); }

.dash-panel { display: none; }
.dash-panel.active { display: block; animation: fadeUp .4s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.panel-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.panel-head h2 { font-size: 22px; font-weight: 600; letter-spacing: .03em; }
.panel-head p { font-size: 13.5px; color: var(--ink-3); margin-top: 6px; }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 30px; }
.stat-box { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px 20px; background: #FFF; }
.stat-box .sb-num { font-size: 26px; font-weight: 600; color: var(--brand-deep); line-height: 1.2; }
.stat-box .sb-lbl { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; letter-spacing: .08em; }

.data-table { width: 100%; border-collapse: collapse; background: #FFF; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.data-table th {
  text-align: left; padding: 14px 18px; font-size: 12.5px; letter-spacing: .1em;
  color: var(--ink-3); font-weight: 500; background: var(--bg-soft); border-bottom: 1px solid var(--line);
}
.data-table td { padding: 15px 18px; font-size: 13.5px; color: var(--ink-2); border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: var(--bg-soft); }

.status { display: inline-block; padding: 3px 11px; border-radius: 40px; font-size: 11.5px; letter-spacing: .06em; }
.status-new { background: rgba(200,164,92,.14); color: #8A6B26; }
.status-doing { background: rgba(80,120,200,.1); color: #3A5A96; }
.status-done { background: rgba(60,140,90,.1); color: #2F7048; }

.empty { text-align: center; padding: 70px 20px; color: var(--ink-3); }
.empty .e-ico { font-size: 40px; color: var(--line); }
.empty .e-txt { font-size: 14px; margin-top: 16px; }
.empty .e-sub { font-size: 13px; color: var(--ink-4); margin-top: 8px; }

.upload-zone {
  border: 1.5px dashed var(--line); border-radius: var(--radius-lg); padding: 40px 24px;
  text-align: center; background: var(--bg-soft); cursor: pointer; transition: all .3s var(--ease);
}
.upload-zone:hover, .upload-zone.drag { border-color: var(--brand); background: rgba(176,130,94,.04); }
.upload-zone .u-ico { font-size: 30px; color: var(--brand); }
.upload-zone .u-txt { font-size: 14.5px; margin-top: 14px; color: var(--ink-2); }
.upload-zone .u-sub { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }

.file-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.file-item { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #FFF; transition: all .3s var(--ease); }
.file-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.file-item .fi-thumb { height: 128px; background: var(--bg-soft); display: grid; place-items: center; overflow: hidden; }
.file-item .fi-thumb img { width: 100%; height: 100%; object-fit: cover; }
.file-item .fi-thumb .fi-ext { font-size: 26px; color: var(--brand); font-weight: 600; text-transform: uppercase; }
.file-item .fi-body { padding: 14px 16px; }
.file-item .fi-name { font-size: 13px; font-weight: 500; word-break: break-all; line-height: 1.6; }
.file-item .fi-meta { font-size: 11.5px; color: var(--ink-4); margin-top: 6px; display: flex; justify-content: space-between; gap: 8px; }
.file-item .fi-meta button { background: none; border: 0; color: #A3452F; cursor: pointer; font-size: 11.5px; }
.file-item .fi-meta a { color: var(--brand-deep); }

/* =========================================================
   CTA / 页脚
   ========================================================= */
.cta-band {
  background: linear-gradient(120deg, var(--brand-deep) 0%, #5B3C24 55%, var(--brand-dark) 100%);
  padding: 72px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 44px 44px;
}
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { font-size: 30px; font-weight: 600; color: #FFF; letter-spacing: .04em; line-height: 1.55; }
.cta-band p { color: #C9C1B7; margin-top: 16px; font-size: 15px; }
.cta-band .btns { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.site-footer { background: var(--bg-deep); color: #A79F95; padding: 70px 0 28px; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 48px; }
.footer-brand .fb-name { color: #FFF; font-size: 17px; font-weight: 600; letter-spacing: .08em; }
.footer-brand .fb-motto { color: var(--gold); font-size: 12.5px; letter-spacing: .26em; margin-top: 10px; }
.footer-brand .fb-desc { margin-top: 18px; line-height: 2; color: #979087; max-width: 320px; }
.footer-col h4 { color: #FFF; font-size: 14px; font-weight: 600; letter-spacing: .1em; margin-bottom: 20px; }
.footer-col li { margin-bottom: 11px; }
.footer-col a { color: #979087; transition: color .25s var(--ease); }
.footer-col a:hover { color: var(--gold); }
.footer-col li span { color: #979087; line-height: 1.9; }
.footer-bottom {
  margin-top: 52px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 12.5px; color: #7E776F;
}
.footer-bottom a { color: #7E776F; }
.footer-bottom a:hover { color: var(--gold); }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; top: 92px; left: 50%; transform: translateX(-50%); z-index: 999; display: grid; gap: 10px; }
.toast {
  padding: 13px 24px; border-radius: var(--radius); background: var(--ink); color: #FFF;
  font-size: 14px; box-shadow: var(--shadow-lg); animation: toastIn .35s var(--ease);
}
.toast.ok { background: #2F7048; }
.toast.err { background: #A3452F; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 40px; }
  .hero-card { max-width: 520px; }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 30px 0; }
  .step:not(:last-child)::after { display: none; }
  .contact-wrap { grid-template-columns: 1fr; gap: 44px; }
  .dash-wrap { grid-template-columns: 1fr; }
  .dash-side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 860px) {
  .container, .container-narrow { padding: 0 22px; }
  .nav-menu {
    position: fixed; top: 76px; left: 0; right: 0; background: #FDFCFA;
    border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch;
    gap: 0; padding: 10px 22px 20px; box-shadow: var(--shadow);
    max-height: 0; overflow: hidden; opacity: 0; pointer-events: none;
    transition: max-height .38s var(--ease), opacity .3s var(--ease), padding .3s var(--ease);
  }
  .nav-menu.open { max-height: 360px; opacity: 1; pointer-events: auto; }
  /* 展开面板：左对齐列表，当前页左侧金条（与桌面端视觉语言统一） */
  .nav-menu .nav-link {
    padding: 13px 14px; text-align: left;
    border-bottom: 1px solid var(--line-soft); border-radius: 0;
  }
  .nav-menu .nav-link::after { display: none; }
  .nav-menu .nav-link:hover { background: rgba(200,164,92,.07); }
  .nav-menu .nav-link.active { background: #F7F0E1; box-shadow: inset 2px 0 0 var(--gold); }
  .nav-toggle { display: block; }
  .nav-menu .btn { margin-top: 16px; margin-left: 0; box-shadow: inset 0 0 0 1px rgba(200,164,92,.5); }
  .nav-actions .user-name { display: none; }

  .section { padding: 68px 0; }
  .grid-2, .grid-3, .grid-4, .biz-row, .sub-brand, .honor-list { grid-template-columns: 1fr; }
  .hero { padding: 120px 0 70px; min-height: auto; }
  .hero h1 { font-size: 31px; }
  .hero-lead { font-size: 15px; }
  .hero-stats { gap: 30px; flex-wrap: wrap; }
  .hero-stat .num { font-size: 26px; }
  .page-banner { padding: 130px 0 54px; }
  .page-banner h1 { font-size: 29px; }
  .creed { padding: 44px 26px; }
  .creed-txt { font-size: 23px; letter-spacing: .14em; }
  .auth-page { grid-template-columns: 1fr; }
  .auth-side { display: none; }
  .auth-main { padding: 44px 22px; }
  .form-card { padding: 28px 22px; }
  .form-row.two { grid-template-columns: 1fr; gap: 0; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .file-list { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .funnel-step:not(:last-child)::after { content: "↓"; right: 50%; top: auto; bottom: -20px; transform: translateX(50%); }
  .funnel { gap: 34px; }
  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
}

@media (max-width: 520px) {
  .price-grid, .stat-row, .file-list, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .cta-band h2 { font-size: 23px; }

  /* 窄屏收紧登录/注册双入口，避免与品牌区、菜单按钮挤在一起 */
  .nav-actions { gap: 8px; }
  .nav-auth { gap: 7px; }
  .nav-auth .btn { padding: 7px 13px; font-size: 12.5px; }
}