/* ============================================================
   凯捷安永 · 企业官网设计系统
   风格：国际顶级咨询公司（克制 · 秩序 · 权威）
         × 前沿科技视觉（深空底色 · 极光 · 数据可视化 · 微交互）
   ------------------------------------------------------------
   架构：① 设计令牌  ② 基础与排版  ③ 氛围层（极光/网格/光斑）
        ④ 组件（导航/按钮/卡片/表单/文章/页脚…）
        ⑤ 动效  ⑥ 响应式
   ============================================================ */

/* ==================== ① 设计令牌 ==================== */
:root {
  /* 深空底色（午夜蓝黑） */
  --bg:        #05080f;
  --bg-2:      #070c16;
  --bg-3:      #0a1120;
  --surface:   rgba(255, 255, 255, .034);
  --surface-2: rgba(255, 255, 255, .06);
  --solid:     #0b1220;
  --solid-2:   #101a2c;

  /* 描边（发丝级） */
  --line:        rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .18);

  /* 文字 */
  --ink:    #eef2f8;
  --ink-2:  rgba(238, 242, 248, .68);
  --ink-3:  rgba(238, 242, 248, .44);
  --ink-4:  rgba(238, 242, 248, .24);

  /* 品牌：鎏金 */
  --gold:      #c9a86a;
  --gold-2:    #ecd6a4;
  --gold-3:    #a8863f;
  --gold-dim:  rgba(201, 168, 106, .14);
  --gold-line: rgba(201, 168, 106, .34);

  /* 科技光：极光青 / 星云紫 */
  --ice:    #7fd8f5;
  --violet: #8b7cf6;
  --aurora-a: rgba(127, 216, 245, .20);
  --aurora-b: rgba(139, 124, 246, .18);
  --aurora-c: rgba(201, 168, 106, .16);

  /* 兼容旧变量名（内联样式/旧页面使用） */
  --navy:       #0b2545;
  --navy-2:     #101a2c;
  --gold-light: #ecd6a4;
  --muted:      rgba(238, 242, 248, .60);
  --border:     rgba(255, 255, 255, .10);
  --bg-soft:    rgba(255, 255, 255, .03);
  --radius:     16px;
  --shadow:     0 24px 60px rgba(0, 0, 0, .45);

  /* 字体 */
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei",
               system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Songti SC", "Source Han Serif SC", "Noto Serif SC", Georgia, serif;
  --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, Consolas, "Roboto Mono", monospace;

  /* 节奏 */
  --gutter: 24px;
  --sec-y: 120px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ==================== ② 基础与排版 ==================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
/* 全站底噪 + 微渐变，避免纯黑死板 */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(1200px 600px at 78% -8%, rgba(127, 216, 245, .07), transparent 60%),
    radial-gradient(900px 520px at 6% 4%, rgba(201, 168, 106, .06), transparent 62%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 42%, var(--bg) 100%);
}
body > * { position: relative; z-index: 1; }

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
::selection { background: rgba(201, 168, 106, .3); color: #fff; }

.container { width: min(1220px, 92%); margin: 0 auto; }
.container-wide { width: min(1480px, 94%); margin: 0 auto; }

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
h1 { font-size: clamp(34px, 5.2vw, 62px); font-weight: 800; letter-spacing: -.035em; }
h2 { font-size: clamp(26px, 3.6vw, 44px); letter-spacing: -.03em; }
h3 { font-size: 19px; letter-spacing: -.01em; }
p { color: var(--ink-2); }

/* 小标签 / 眉标 */
.kicker, .eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px;
}
.kicker::before, .eyebrow::before {
  content: ""; width: 26px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.glow-text { color: var(--gold-2); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.hairline { height: 1px; background: var(--line); border: none; }

/* ==================== ③ 氛围层 ==================== */
/* 极光光斑：用于 Hero / CTA 等区域 */
.aurora { position: absolute; inset: -20% -10%; pointer-events: none; overflow: hidden; z-index: 0; }
.aurora i {
  position: absolute; display: block; border-radius: 50%;
  filter: blur(90px); opacity: .85; will-change: transform;
}
.aurora i:nth-child(1) {
  width: 46vw; height: 46vw; left: -6vw; top: -12vw;
  background: radial-gradient(circle, var(--aurora-c), transparent 66%);
  animation: aurora-a 22s var(--ease) infinite alternate;
}
.aurora i:nth-child(2) {
  width: 40vw; height: 40vw; right: -4vw; top: -8vw;
  background: radial-gradient(circle, var(--aurora-a), transparent 66%);
  animation: aurora-b 26s var(--ease) infinite alternate;
}
.aurora i:nth-child(3) {
  width: 52vw; height: 34vw; right: 8vw; bottom: -18vw;
  background: radial-gradient(circle, var(--aurora-b), transparent 68%);
  animation: aurora-a 30s var(--ease) infinite alternate-reverse;
}
@keyframes aurora-a { from { transform: translate3d(0, 0, 0) scale(1); } to { transform: translate3d(6vw, 4vw, 0) scale(1.12); } }
@keyframes aurora-b { from { transform: translate3d(0, 0, 0) scale(1.06); } to { transform: translate3d(-5vw, 3vw, 0) scale(.96); } }

/* 技术网格 */
.grid-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 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: 68px 68px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 12%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 12%, transparent 78%);
}
/* 鼠标跟随光斑（JS 写入 --mx/--my） */
.spotlight-host { position: relative; }
.spotlight-host::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  transition: opacity .4s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(201, 168, 106, .10), transparent 62%);
}
.spotlight-host:hover::after { opacity: 1; }

/* 顶部滚动进度 */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0; z-index: 300;
  background: linear-gradient(90deg, var(--gold-3), var(--gold-2), var(--ice));
  box-shadow: 0 0 12px rgba(201, 168, 106, .5);
}

/* ==================== ④ 顶部导航 ==================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(5, 8, 15, .55);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: background .4s var(--ease), border-color .4s var(--ease);
}
.header.scrolled {
  background: rgba(5, 8, 15, .86);
  border-bottom-color: var(--line);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .35);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo { display: flex; align-items: center; gap: 12px; }
/* 自定义品牌 Logo（原图 165:50）。未上传 images/logo-header.png 时自动回退为下方文字 Logo */
.logo-img { display: none; height: 42px; width: auto; }
.logo-img-footer { height: 36px; }
.logo-img-auth { height: 44px; }
.auth-logo .logo-fallback { display: flex; align-items: center; gap: 14px; }
.logo-fallback { display: flex; align-items: center; gap: 12px; }
.logo-fallback .logo-text { display: block; }
@media (max-width: 640px) {
  .logo-img { height: 34px; }
  .logo-img-footer { height: 30px; }
}
.logo-mark {
  width: 40px; height: 40px; border-radius: 11px; flex: none;
  background: linear-gradient(150deg, #14243c, #0a1220);
  border: 1px solid var(--gold-line);
  color: var(--gold-2); font-family: var(--font-serif);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 6px 18px rgba(0, 0, 0, .35);
}
.logo-text { font-size: 19px; font-weight: 700; color: #fff; letter-spacing: .16em; line-height: 1.25; }
.logo-text small {
  display: block; font-family: var(--font-mono); font-size: 9px;
  font-weight: 400; color: var(--ink-3); letter-spacing: .3em;
}
.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; }
.nav-links a {
  font-size: 14.5px; color: var(--ink-2); position: relative; padding: 6px 0;
  transition: color .3s var(--ease);
}
.nav-links a:hover { color: #fff; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: linear-gradient(90deg, var(--gold), var(--gold-2));
  transition: width .35s var(--ease-out);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: #fff; font-weight: 600; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 20px; border-radius: 999px; font-size: 13.5px !important;
  background: linear-gradient(135deg, rgba(201, 168, 106, .16), rgba(201, 168, 106, .06));
  border: 1px solid var(--gold-line); color: var(--gold-2) !important;
  transition: all .35s var(--ease);
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #0a0d14 !important; border-color: transparent;
  box-shadow: 0 8px 24px rgba(201, 168, 106, .28);
}
.nav-user { display: none; align-items: center; gap: 10px; font-size: 14px; color: #fff; font-weight: 600; }
.nav-user .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-3));
  color: #0a0d14; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.nav-user a { color: var(--ink-3); font-size: 13px; font-weight: 400; }
.nav-user a:hover { color: var(--gold-2); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 6px; }
.hamburger span { width: 24px; height: 1.5px; background: #fff; transition: .3s var(--ease); }

/* ==================== ④ 按钮 ==================== */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 30px; border-radius: 999px; border: 1px solid transparent;
  font-family: var(--font-sans); font-size: 15px; font-weight: 600; cursor: pointer;
  overflow: hidden; isolation: isolate;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease), color .35s var(--ease), background .35s var(--ease);
}
.btn::after { /* 掠光 */
  content: ""; position: absolute; top: 0; left: -120%; width: 60%; height: 100%; z-index: -1;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .35), transparent);
  transition: left .7s var(--ease-out);
}
.btn:hover::after { left: 130%; }
.btn-primary {
  background: linear-gradient(135deg, var(--gold-2) 0%, var(--gold) 46%, var(--gold-3) 100%);
  color: #0a0d14; box-shadow: 0 10px 30px rgba(201, 168, 106, .22);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(201, 168, 106, .34); }
.btn-ghost {
  background: rgba(255, 255, 255, .03); color: #fff;
  border-color: var(--line-strong); backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--gold-line); color: var(--gold-2); background: rgba(201, 168, 106, .08); }
.btn-dark { background: #fff; color: #0a0d14; }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(255, 255, 255, .16); }
.btn-block { width: 100%; }

/* ==================== ④ Hero ==================== */
.hero {
  position: relative; overflow: hidden;
  min-height: 100vh; display: flex; align-items: center;
  padding: 150px 0 96px;
  border-bottom: 1px solid var(--line);
}
.hero-page { min-height: 62vh; padding: 160px 0 84px; }
.hero-grid { /* 兼容旧标记 */ }
.hero-inner { position: relative; z-index: 2; max-width: 860px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 16px; border-radius: 999px; margin-bottom: 26px;
  border: 1px solid var(--gold-line); background: rgba(201, 168, 106, .07);
  color: var(--gold-2); font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase;
}
.hero-tag::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 10px var(--gold);
}
.hero h1 { color: #fff; margin-bottom: 24px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--gold-2) 8%, var(--gold) 52%, var(--ice) 120%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { font-size: 17px; color: var(--ink-2); max-width: 640px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero 双栏（数据可视化） */
.hero-split { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }

/* 浮动玻璃数据卡 */
.viz-stack { position: relative; min-height: 420px; }
.viz-card {
  position: relative; border-radius: 20px; padding: 24px 26px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02));
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .07);
}
.viz-card + .viz-card { margin-top: 18px; }
.viz-card .vh { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.viz-card .vh b { font-size: 14px; color: #fff; letter-spacing: .02em; }
.viz-card .vh span { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: .1em; }
.viz-row { display: flex; align-items: baseline; gap: 12px; }
.viz-row .v { font-family: var(--font-mono); font-size: 34px; font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; }
.viz-row .d { font-family: var(--font-mono); font-size: 12px; color: var(--ice); }
.viz-chart { margin-top: 8px; }
.viz-chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.viz-legend { display: flex; gap: 18px; margin-top: 14px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); }
.viz-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; }
.viz-float { animation: float-y 7s var(--ease) infinite alternate; }
.viz-float-2 { animation: float-y 9s var(--ease) infinite alternate-reverse; }
@keyframes float-y { from { transform: translateY(-8px); } to { transform: translateY(10px); } }

/* 绘线动画 */
.draw-line { stroke-dasharray: 1200; stroke-dashoffset: 1200; animation: draw 2.4s var(--ease-out) .35s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.pulse-dot { animation: pulse-dot 2.6s var(--ease) infinite; transform-origin: center; }
@keyframes pulse-dot { 0%, 100% { opacity: .35; r: 5; } 50% { opacity: 1; r: 7; } }

/* Hero 底部指标条 */
.hero-stats {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: 84px; padding-top: 40px;
  border-top: 1px solid var(--line);
}
.hero-stats > div { position: relative; padding-right: 26px; }
.hero-stats > div + div { padding-left: 30px; border-left: 1px solid var(--line); }
.hero-stats .num {
  font-family: var(--font-mono); font-size: clamp(28px, 3vw, 40px); font-weight: 700;
  color: #fff; font-variant-numeric: tabular-nums; letter-spacing: -.02em; line-height: 1.1;
}
.hero-stats .num span { font-size: .52em; color: var(--gold); margin-left: 2px; }
.hero-stats .label { font-size: 12.5px; color: var(--ink-3); margin-top: 8px; letter-spacing: .04em; }

/* 行业跑马灯 */
.marquee {
  position: relative; overflow: hidden; padding: 22px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .014);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span {
  font-family: var(--font-mono); font-size: 13px; color: var(--ink-3);
  letter-spacing: .18em; text-transform: uppercase; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 56px;
}
.marquee span::after { content: "◆"; font-size: 8px; color: var(--gold-line); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ==================== ④ 通用 Section ==================== */
.section { position: relative; padding: var(--sec-y) 0; }
.section.soft { background: linear-gradient(180deg, rgba(255, 255, 255, .022), transparent); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-tight { padding: 76px 0; }
.section-head { max-width: 760px; margin: 0 auto 66px; text-align: center; }
.section-head h2 { color: #fff; margin-bottom: 16px; }
.section-head p { color: var(--ink-2); font-size: 16px; max-width: 620px; margin: 0 auto; }
.section-head.left { text-align: left; margin-left: 0; }
.section-head.left p { margin-left: 0; }
.sec-num {
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-4);
  letter-spacing: .2em; display: block; margin-bottom: 14px;
}

/* ==================== ④ 卡片（服务 / 新闻 / 案例 / 通用） ==================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.bento .span-3 { grid-column: span 3; }
.bento .span-2 { grid-column: span 2; }

.card,
.svc-card,
.news-card,
.case-card {
  position: relative; overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .018));
  border: 1px solid var(--line);
  backdrop-filter: blur(6px);
  transition: transform .5s var(--ease), border-color .5s var(--ease), box-shadow .5s var(--ease), background .5s var(--ease);
}
.card::before,
.svc-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 0%), rgba(201, 168, 106, .13), transparent 60%);
  transition: opacity .45s var(--ease);
}
.card:hover::before, .svc-card:hover::before { opacity: 1; }
.card:hover, .svc-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-line);
  box-shadow: 0 30px 60px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .07);
}

/* 服务卡 */
.svc-card { padding: 36px 30px 32px; display: flex; flex-direction: column; }
.svc-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 24px; flex: none;
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  background: linear-gradient(150deg, rgba(201, 168, 106, .18), rgba(127, 216, 245, .06));
  border: 1px solid var(--gold-line); color: var(--gold-2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
}
.svc-card h3 { color: #fff; margin-bottom: 12px; font-size: 19px; }
.svc-card p { font-size: 14.5px; color: var(--ink-2); flex: 1; }
.svc-card .more {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 22px;
  color: var(--gold-2); font-size: 13.5px; font-weight: 600;
  font-family: var(--font-mono); letter-spacing: .04em;
  transition: gap .35s var(--ease);
}
.svc-card:hover .more { gap: 12px; }
/* 强调卡（深色鎏金） */
.svc-card.dark {
  background: linear-gradient(150deg, rgba(201, 168, 106, .16), rgba(11, 18, 32, .9) 62%);
  border-color: var(--gold-line);
}
.svc-card.dark h3 { color: #fff; }
.svc-card.dark p { color: rgba(255, 255, 255, .74); }
.svc-card.dark .more { color: var(--gold-2); }
/* 大号序号 */
.svc-card .idx {
  position: absolute; right: 22px; top: 18px;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-4); letter-spacing: .16em;
}

/* 新闻 / 案例卡（列表页） */
.news-card, .case-card { display: flex; flex-direction: column; color: inherit; }
.news-card .thumb, .case-card .thumb {
  position: relative; height: 186px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, #0d1a2e, #101c30 55%, #0a1424);
  border-bottom: 1px solid var(--line);
  color: var(--gold-2); font-size: 34px;
}
.case-card .thumb { height: 190px; }
.news-card .thumb img, .case-card .thumb img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.news-card:hover .thumb img, .case-card:hover .thumb img { transform: scale(1.04); transition: transform .8s var(--ease); }
.news-card .thumb::after, .case-card .thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5, 8, 15, .7));
}
.case-card .thumb .ind {
  position: absolute; left: 16px; top: 16px; z-index: 2;
  padding: 4px 12px; border-radius: 999px; font-family: var(--font-mono); font-size: 11px;
  background: rgba(201, 168, 106, .16); border: 1px solid var(--gold-line); color: var(--gold-2);
  backdrop-filter: blur(8px);
}
.news-card .body, .case-card .body { padding: 24px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.news-card .meta, .case-card .meta {
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-3);
  letter-spacing: .12em; margin-bottom: 12px; text-transform: uppercase;
}
.news-card h3, .case-card h3 { color: #fff; margin-bottom: 12px; font-size: 17.5px; line-height: 1.5; }
.news-card p, .case-card p { font-size: 14px; color: var(--ink-2); flex: 1; }
.case-card .tag {
  align-self: flex-start; margin-bottom: 14px; padding: 4px 12px; border-radius: 999px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em;
  background: rgba(127, 216, 245, .1); border: 1px solid rgba(127, 216, 245, .24); color: var(--ice);
}
.case-card .foot {
  margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--ink-3); font-family: var(--font-mono);
}
.news-card:hover, .case-card:hover { transform: translateY(-6px); border-color: var(--gold-line); box-shadow: 0 30px 60px rgba(0, 0, 0, .5); }

/* 筛选条 / 分页 / 空态 */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 38px; }
.filter-bar button {
  padding: 9px 22px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .03);
  color: var(--ink-2); font-size: 13.5px; transition: all .3s var(--ease);
}
.filter-bar button:hover { border-color: var(--line-strong); color: #fff; }
.filter-bar button.on {
  background: linear-gradient(135deg, var(--gold), var(--gold-3));
  border-color: transparent; color: #0a0d14; font-weight: 600;
  box-shadow: 0 10px 26px rgba(201, 168, 106, .22);
}
.pager { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 52px; font-family: var(--font-mono); font-size: 13px; color: var(--ink-3); }
.pager button {
  padding: 10px 24px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .03);
  color: var(--ink); font-size: 13.5px; transition: all .3s var(--ease);
}
.pager button:hover:not(:disabled) { border-color: var(--gold-line); color: var(--gold-2); }
.pager button:disabled { opacity: .32; cursor: default; }
.empty { text-align: center; color: var(--ink-3); padding: 70px 0; font-size: 14.5px; }

/* ==================== ④ 流程步骤 ==================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.step { position: relative; padding: 34px 26px 8px 0; }
.step + .step { padding-left: 26px; border-left: 1px solid var(--line); }
.step .sn { font-family: var(--font-mono); font-size: 12px; color: var(--gold); letter-spacing: .2em; }
.step h3 { color: #fff; margin: 16px 0 10px; font-size: 17px; }
.step p { font-size: 14px; color: var(--ink-2); }
.step::before {
  content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 12px var(--gold);
}
.step + .step::before { left: 26px; }

/* ==================== ④ 关于页 / 图文版式 ==================== */
.about-layout { display: grid; grid-template-columns: 1.02fr .98fr; gap: 64px; align-items: center; }
.about-visual {
  position: relative; overflow: hidden; border-radius: 20px; min-height: 440px;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(255, 255, 255, .06), rgba(11, 18, 32, .8));
  display: flex; align-items: flex-end;
  box-shadow: 0 40px 80px rgba(0, 0, 0, .45);
}
.about-visual .ring {
  position: absolute; width: 340px; height: 340px; border-radius: 50%;
  border: 1px solid var(--gold-line); top: -90px; right: -90px;
  animation: spin-slow 26s linear infinite;
}
.about-visual .ring::after { content: ""; position: absolute; inset: 46px; border-radius: 50%; border: 1px solid rgba(127, 216, 245, .18); }
@keyframes spin-slow { to { transform: rotate(360deg); } }
.about-visual .quote {
  position: relative; z-index: 2; padding: 44px 40px;
  font-family: var(--font-serif); font-size: 19px; line-height: 2; color: rgba(255, 255, 255, .88);
}
.about-visual .quote::before {
  content: "“"; position: absolute; top: 4px; left: 26px; font-size: 92px; line-height: 1;
  color: rgba(201, 168, 106, .35); font-family: var(--font-serif);
}
.about-copy h2 { color: #fff; margin: 14px 0 20px; }
.about-copy p { color: var(--ink-2); font-size: 15.5px; margin-bottom: 16px; }
.value-list { list-style: none; margin-top: 28px; display: grid; gap: 16px; }
.value-list li { display: flex; gap: 14px; align-items: flex-start; font-size: 15px; color: var(--ink); }
.value-list .dot {
  flex: none; width: 22px; height: 22px; border-radius: 50%; margin-top: 3px;
  background: var(--gold-dim); border: 1px solid var(--gold-line); color: var(--gold-2);
  display: flex; align-items: center; justify-content: center; font-size: 11px;
}

/* 里程碑时间线 */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.tl-item { position: relative; padding-top: 28px; border-top: 1px solid var(--line); }
.tl-item::before {
  content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 12px var(--gold);
}
.tl-item .year { font-family: var(--font-mono); font-size: 22px; font-weight: 700; color: var(--gold-2); letter-spacing: -.01em; }
.tl-item p { font-size: 14px; color: var(--ink-2); margin-top: 10px; }

/* ==================== ④ 联系页 / 表单 ==================== */
.contact-layout { display: grid; grid-template-columns: .92fr 1.08fr; gap: 30px; align-items: start; }
.info-card {
  position: relative; overflow: hidden; border-radius: 20px; padding: 42px 38px;
  background: linear-gradient(165deg, rgba(255, 255, 255, .06), rgba(11, 18, 32, .82));
  border: 1px solid var(--line); color: #fff;
  display: flex; flex-direction: column; gap: 28px;
}
.info-card h3 { color: #fff; font-size: 21px; }
.info-card > p { color: var(--ink-2); font-size: 14.5px; }
.info-row { display: flex; gap: 15px; align-items: flex-start; }
.info-row .ico {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  background: var(--gold-dim); border: 1px solid var(--gold-line); color: var(--gold-2);
  display: flex; align-items: center; justify-content: center; font-size: 17px;
}
.info-row b { display: block; font-size: 14px; color: #fff; margin-bottom: 3px; font-weight: 600; }
.info-row span { font-size: 14px; color: var(--ink-2); }
.form-card {
  border-radius: 20px; padding: 42px 40px;
  background: linear-gradient(165deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .018));
  border: 1px solid var(--line);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .4);
}
.form-card h3 { color: #fff; font-size: 20px; margin-bottom: 8px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-2); letter-spacing: .02em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: 11px; outline: none;
  background: rgba(255, 255, 255, .035); border: 1px solid var(--line);
  color: var(--ink); font-size: 14.5px; font-family: var(--font-sans);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-4); }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%); background-position: calc(100% - 20px) 22px, calc(100% - 15px) 22px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.field select option { background: var(--solid); color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--gold-line); background: rgba(255, 255, 255, .055);
  box-shadow: 0 0 0 3px rgba(201, 168, 106, .14);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 12.5px; color: var(--ink-3); margin-top: 14px; }

/* 提交结果提示 */
.auth-msg { display: none; font-size: 13.5px; border-radius: 11px; padding: 12px 16px; margin-top: 16px; }
.auth-msg.ok { display: block; background: rgba(52, 211, 153, .12); border: 1px solid rgba(52, 211, 153, .3); color: #6ee7b7; }
.auth-msg.err { display: block; background: rgba(248, 113, 113, .12); border: 1px solid rgba(248, 113, 113, .3); color: #fca5a5; }

/* 我的咨询记录 */
.record-list { display: grid; gap: 12px; margin-top: 18px; }
.record-item {
  border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px;
  background: rgba(255, 255, 255, .028);
  display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; flex-wrap: wrap;
  transition: border-color .3s var(--ease);
}
.record-item:hover { border-color: var(--gold-line); }
.record-item b { font-size: 14.5px; color: #fff; }
.record-item .meta { font-size: 13px; color: var(--ink-3); margin-top: 3px; }
.record-item .tag {
  font-family: var(--font-mono); font-size: 11px; padding: 4px 12px; border-radius: 999px;
  background: var(--gold-dim); border: 1px solid var(--gold-line); color: var(--gold-2); white-space: nowrap;
}
.record-item a { font-size: 13px; color: var(--gold-2); }
.record-item a:hover { text-decoration: underline; }

/* ==================== ④ 登录 / 注册 ==================== */
.auth-wrap {
  position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 120px 20px 70px; overflow: hidden;
}
.auth-card {
  position: relative; z-index: 2; width: min(452px, 100%);
  border-radius: 22px; padding: 46px 42px;
  background: linear-gradient(165deg, rgba(255, 255, 255, .07), rgba(11, 18, 32, .86));
  border: 1px solid var(--line);
  backdrop-filter: blur(18px);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .55), inset 0 1px 0 rgba(255, 255, 255, .08);
}
.auth-logo { display: flex; flex-direction: column; align-items: center; gap: 14px; margin-bottom: 30px; }
.auth-logo .logo-mark { width: 54px; height: 54px; font-size: 22px; border-radius: 15px; }
.auth-logo b { font-size: 19px; letter-spacing: .22em; color: #fff; font-weight: 700; }
.auth-tabs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; margin-bottom: 26px;
  background: rgba(255, 255, 255, .045); border: 1px solid var(--line); border-radius: 12px;
}
.auth-tabs button {
  border: none; background: transparent; padding: 11px; border-radius: 9px; cursor: pointer;
  color: var(--ink-3); font-size: 14.5px; transition: all .3s var(--ease);
}
.auth-tabs button.active {
  background: linear-gradient(135deg, rgba(201, 168, 106, .9), rgba(168, 134, 63, .9));
  color: #0a0d14; font-weight: 600; box-shadow: 0 8px 22px rgba(201, 168, 106, .2);
}
.auth-form { display: none; flex-direction: column; gap: 16px; }
.auth-form.active { display: flex; }
.auth-tip { font-size: 12.5px; color: var(--ink-3); text-align: center; margin-top: 6px; }
.auth-back { text-align: center; margin-top: 24px; }
.auth-back a { color: var(--ink-3); font-size: 13.5px; }
.auth-back a:hover { color: var(--gold-2); }

/* 会员提示条 */
.member-banner {
  display: none; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  padding: 26px 32px; border-radius: 18px; margin-bottom: 40px;
  background: linear-gradient(120deg, rgba(201, 168, 106, .16), rgba(11, 18, 32, .8));
  border: 1px solid var(--gold-line); color: #fff;
}
.member-banner.show { display: flex; }
.member-banner b { font-size: 18px; }
.member-banner span { color: var(--ink-2); font-size: 14px; }
.member-banner button {
  padding: 10px 22px; border-radius: 999px; cursor: pointer; font-size: 13.5px;
  background: rgba(255, 255, 255, .08); border: 1px solid var(--line-strong); color: #fff;
  transition: all .3s var(--ease);
}
.member-banner button:hover { background: var(--gold); border-color: transparent; color: #0a0d14; }

/* ==================== ④ 会员中心 ==================== */
.member-layout { display: grid; grid-template-columns: 344px 1fr; gap: 26px; align-items: start; }
.panel {
  border-radius: 18px; padding: 30px;
  background: linear-gradient(165deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .016));
  border: 1px solid var(--line);
}
.panel + .panel { margin-top: 22px; }
.panel h3 { color: #fff; font-size: 18px; margin-bottom: 20px; }
.profile-top { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.profile-avatar {
  width: 62px; height: 62px; border-radius: 50%; flex: none;
  background: linear-gradient(140deg, var(--gold), var(--gold-3)); color: #0a0d14;
  font-size: 24px; font-weight: 700; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px rgba(201, 168, 106, .22);
}
.profile-top b { display: block; font-size: 18px; color: #fff; }
.profile-top span { font-size: 13.5px; color: var(--ink-3); }
.profile-meta { border-top: 1px solid var(--line); padding-top: 20px; display: grid; gap: 14px; }
.profile-meta .row { display: flex; justify-content: space-between; font-size: 14px; }
.profile-meta .row span:first-child { color: var(--ink-3); }
.profile-meta .row span:last-child { color: #fff; font-weight: 600; }
.logout-btn {
  width: 100%; margin-top: 24px; padding: 12px; border-radius: 11px; cursor: pointer; font-size: 14px;
  background: transparent; border: 1px solid rgba(248, 113, 113, .3); color: #fca5a5;
  transition: all .3s var(--ease);
}
.logout-btn:hover { background: rgba(248, 113, 113, .1); border-color: rgba(248, 113, 113, .5); }

/* ==================== ④ 文章页（静态详情） ==================== */
.back-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 26px; }
.nav-breadcrumb { font-size: 13px; color: var(--ink-3); font-family: var(--font-mono); letter-spacing: .04em; }
.nav-breadcrumb a { color: var(--ink-2); }
.nav-breadcrumb a:hover { color: var(--gold-2); }
.article {
  position: relative; border-radius: 20px; padding: 56px 60px;
  background: linear-gradient(170deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .016));
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px rgba(0, 0, 0, .4);
}
.article h1 { color: #fff; font-size: clamp(24px, 3vw, 36px); line-height: 1.35; margin-bottom: 18px; }
.article .meta {
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); letter-spacing: .06em;
  padding-bottom: 24px; border-bottom: 1px solid var(--line); margin-bottom: 34px;
}
.article .cover { width: 100%; border-radius: 14px; border: 1px solid var(--line); margin-bottom: 34px; }
.article-body { font-size: 16.5px; line-height: 2; color: rgba(238, 242, 248, .84); }
.article-body h1, .article-body h2, .article-body h3, .article-body h4 { color: #fff; margin: 34px 0 14px; }
.article-body h1 { font-size: 25px; } .article-body h2 { font-size: 22px; } .article-body h3 { font-size: 19px; }
.article-body p { margin: 0 0 18px; color: inherit; }
.article-body img { max-width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); }
.article-body ul, .article-body ol { margin: 0 0 18px; padding-left: 26px; }
.article-body li { margin: 8px 0; }
.article-body strong, .article-body b { font-weight: 700; color: #fff; }
.article-body blockquote {
  margin: 22px 0; padding: 16px 22px; border-radius: 12px;
  border-left: 3px solid var(--gold); background: rgba(201, 168, 106, .07); color: var(--ink-2);
}
.article-body table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 15px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 10px 14px; }
.article-body th { background: rgba(255, 255, 255, .045); color: #fff; }
.article-body a { color: var(--gold-2); text-decoration: underline; text-underline-offset: 3px; }
.article-body hr { border: none; border-top: 1px solid var(--line); margin: 30px 0; }
.article .tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.article .tags .gold, .article .cat {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em;
  padding: 5px 14px; border-radius: 999px;
  background: var(--gold-dim); border: 1px solid var(--gold-line); color: var(--gold-2);
}
.cta-inline {
  margin-top: 44px; padding: 28px 30px; border-radius: 16px;
  background: linear-gradient(120deg, rgba(201, 168, 106, .12), rgba(255, 255, 255, .02));
  border: 1px solid var(--gold-line);
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.cta-inline p { color: var(--ink-2) !important; font-size: 14.5px; }

/* ==================== ④ CTA 区 ==================== */
.cta-band {
  position: relative; overflow: hidden; border-radius: 24px; padding: 76px 56px; text-align: center; color: #fff;
  background: linear-gradient(140deg, rgba(201, 168, 106, .14), rgba(11, 18, 32, .92) 58%);
  border: 1px solid var(--gold-line);
  box-shadow: 0 46px 90px rgba(0, 0, 0, .5);
}
.cta-band h2 { color: #fff; margin-bottom: 14px; position: relative; z-index: 2; }
.cta-band p { color: var(--ink-2); margin-bottom: 32px; position: relative; z-index: 2; }
.cta-band .btn { position: relative; z-index: 2; }

/* ==================== ④ FAQ ==================== */
.faq-list { display: grid; gap: 14px; max-width: 880px; margin: 0 auto; }
.faq-list details {
  border-radius: 16px; padding: 20px 26px;
  background: linear-gradient(165deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .016));
  background-color: #0c1523;
  border: 1px solid var(--line);
  transition: border-color .35s var(--ease), background .35s var(--ease);
}
.faq-list details[open] { border-color: var(--gold-line); }
.faq-list summary {
  cursor: pointer; font-weight: 600; color: #fff; font-size: 16px; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; font-family: var(--font-mono); font-size: 18px; color: var(--gold);
  transition: transform .35s var(--ease);
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { margin: 14px 0 0 !important; color: rgba(238, 242, 248, .85) !important; line-height: 1.95; font-size: 15px; }
.faq-list p a { color: var(--gold-2) !important; }

/* ==================== ④ 页脚 ==================== */
.footer {
  position: relative; padding: 76px 0 0; margin-top: 20px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, .02));
  color: var(--ink-3);
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 54px; }
.footer h4 {
  color: #fff; font-size: 13px; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; margin-bottom: 20px; font-family: var(--font-mono);
}
.footer ul { list-style: none; display: grid; gap: 12px; }
.footer a { font-size: 14px; color: var(--ink-3); transition: color .3s var(--ease); }
.footer a:hover { color: var(--gold-2); }
.footer .brand p { font-size: 13.5px; margin-top: 16px; max-width: 320px; color: var(--ink-3); }
.footer-bottom {
  border-top: 1px solid var(--line); padding: 22px 0 26px;
  display: flex; justify-content: space-between; align-items: center; gap: 10px 22px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--ink-4); font-family: var(--font-mono); letter-spacing: .04em;
}
.footer-bottom .legal { display: inline-flex; flex-wrap: wrap; gap: 4px 18px; }
.footer-bottom .legal a {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--ink-4); transition: color .3s var(--ease);
}
.footer-bottom .legal a svg { width: 14px; height: 14px; flex: none; display: block; }
.footer-bottom .legal a:hover { color: var(--gold-2); }

/* 柱状微图（数据可视化卡） */
.bars { display: flex; align-items: flex-end; gap: 8px; height: 78px; margin-top: 14px; }
.bars i {
  flex: 1; border-radius: 4px 4px 2px 2px; transform-origin: bottom;
  background: linear-gradient(180deg, rgba(201, 168, 106, .85), rgba(201, 168, 106, .12));
  animation: bar-grow 1.5s var(--ease-out) both;
}
.bars i:nth-child(even) { background: linear-gradient(180deg, rgba(127, 216, 245, .72), rgba(127, 216, 245, .10)); }
@keyframes bar-grow { from { transform: scaleY(.04); } to { transform: scaleY(1); } }

/* ==================== ⑤ 动效 ==================== */
/* 隐藏态仅在 JS 可用时生效（html.js 由 ui.js 添加），保证无 JS 环境内容可见 */
html.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .85s var(--ease-out), transform .85s var(--ease-out); }
html.js .reveal.visible { opacity: 1; transform: none; }
html.js .reveal-left { opacity: 0; transform: translateX(-28px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
html.js .reveal-left.visible { opacity: 1; transform: none; }
html.js .reveal-scale { opacity: 0; transform: scale(.97); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
html.js .reveal-scale.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal, .reveal-left, .reveal-scale { opacity: 1; transform: none; }
}

/* ==================== ⑥ 响应式 ==================== */
@media (max-width: 1080px) {
  .hero-split { grid-template-columns: 1fr; gap: 46px; }
  .viz-stack { min-height: auto; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento .span-3, .bento .span-2 { grid-column: span 1; }
}
@media (max-width: 960px) {
  :root { --sec-y: 84px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .about-layout, .contact-layout, .member-layout { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; margin-top: 60px; }
  .hero-stats > div { padding: 18px 0; }
  .hero-stats > div + div { padding-left: 0; border-left: none; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step { padding: 28px 22px 8px 0; }
  .step + .step { border-left: none; padding-left: 0; }
  .step + .step::before { left: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links {
    position: fixed; top: 74px; right: -110%; width: min(330px, 84vw);
    height: calc(100vh - 74px); flex-direction: column; align-items: flex-start; gap: 22px;
    padding: 40px 30px; background: rgba(7, 12, 22, .97);
    backdrop-filter: blur(20px); border-left: 1px solid var(--line);
    box-shadow: -30px 0 60px rgba(0, 0, 0, .5); transition: right .42s var(--ease-out);
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; }
  .article { padding: 40px 30px; }
}
@media (max-width: 620px) {
  .grid-3, .grid-2, .bento, .timeline, .form-grid, .footer-grid, .steps { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 128px 0 72px; }
  .hero-page { padding: 132px 0 64px; }
  .form-card, .info-card, .auth-card, .article, .cta-band { padding: 30px 22px; }
  .cta-band { border-radius: 18px; }
  .marquee-track { gap: 34px; }
  .marquee span { gap: 34px; }
}
