@import url("./tokens.css");

/* =============================================================================
 * 族椟 · 官网门户原型 · 视觉系统
 * 主题：东方密室美学（深墨黑 + 鎏金 + 暗红）
 * 参阅：ruoyi-ui/web（产品官网，Vue 3 + UnoCSS）
 * 令牌：共享 docs/prototype/tokens.css（--zc-*），与 wap / admin 原型同源
 * ========================================================================== */

/* ===================== 基础 ===================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
[hidden] { display: none !important; }

body {
  font-family: var(--zc-font-body);
  background: var(--zc-ink-black);
  color: var(--zc-text-1);
  line-height: 1.8;
  letter-spacing: var(--zc-track-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  font-size: var(--zc-text-md);
}

button { font-family: inherit; cursor: pointer; border: none; background: none; }
a { text-decoration: none; }
ul { list-style: none; }

/* 噪点纹理（密室颗粒感） */
body::before {
  content: ""; position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.025; pointer-events: none; z-index: 1000;
}

/* 浮动光晕（鎏金 / 血脉红） */
.glow {
  position: fixed; border-radius: 50%; filter: blur(120px);
  pointer-events: none; z-index: 0;
}
.glow-1 {
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.25) 0%, transparent 70%);
  top: -300px; right: -300px;
  animation: glow-float 25s ease-in-out infinite;
}
.glow-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(139, 38, 53, 0.35) 0%, transparent 70%);
  bottom: -200px; left: -200px;
  animation: glow-float 30s ease-in-out infinite reverse;
}
@keyframes glow-float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, -40px); }
}

.t-gold { color: var(--zc-gold); }
.t-secure { color: var(--zc-secure-text); }

/* Reveal 滚动入场 */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s var(--zc-ease), transform 0.8s var(--zc-ease);
}
.reveal.active { opacity: 1; transform: translateY(0); }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===================== 顶部导航 ===================== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; height: 72px; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 60px;
  background: linear-gradient(to bottom, rgba(10, 10, 11, 0.92) 0%, transparent 100%);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo { width: 44px; height: 44px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-name {
  font-family: var(--zc-font-display);
  font-size: 26px; color: var(--zc-gold);
  letter-spacing: var(--zc-track-wide);
}
.brand-en {
  font-size: 10px; color: var(--zc-text-3);
  letter-spacing: var(--zc-track-wide); text-transform: uppercase;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-link {
  position: relative;
  font-size: var(--zc-text-base); color: var(--zc-text-2);
  letter-spacing: var(--zc-track-body);
  transition: color 0.3s;
}
.nav-link::after {
  content: ""; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--zc-gold);
  transition: width 0.3s;
}
.nav-link:hover { color: var(--zc-gold); }
.nav-link:hover::after { width: 100%; }

.menu-btn {
  display: none;
  width: 40px; height: 40px; z-index: 110;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.menu-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--zc-text-1); border-radius: 2px;
  transition: all 0.3s;
}
.menu-btn.is-open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-btn.is-open span:nth-child(2) { opacity: 0; }
.menu-btn.is-open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 105;
  display: none; flex-direction: column; align-items: center; justify-content: center; gap: 32px;
  background: rgba(10, 10, 11, 0.95);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.mobile-menu.is-show { display: flex; }
.mm-link {
  font-family: var(--zc-font-display);
  font-size: var(--zc-text-2xl); color: var(--zc-text-2);
  letter-spacing: var(--zc-track-wide);
  transition: color 0.3s;
}
.mm-link:hover { color: var(--zc-gold); }

/* ===================== 首屏 ===================== */
.hero {
  min-height: 100vh; position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 80px 60px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 20px; border-radius: var(--zc-radius-pill);
  font-size: var(--zc-text-sm); color: var(--zc-gold);
  letter-spacing: var(--zc-track-wide);
  background: rgba(201, 162, 39, 0.08);
  border: 1px solid rgba(201, 162, 39, 0.25);
  margin-bottom: 32px;
  animation: fade-up 0.8s var(--zc-ease) 0.2s both;
}
.hero-badge-ic { width: 14px; height: 14px; }
.hero-title {
  font-family: var(--zc-font-display); font-weight: 400;
  font-size: clamp(30px, 5vw, 50px);
  color: var(--zc-text-1); letter-spacing: var(--zc-track-title);
  line-height: 1.5; margin-bottom: 20px;
  animation: fade-up 0.8s var(--zc-ease) 0.3s both;
}
.hero-sub {
  color: var(--zc-text-2); letter-spacing: 0.04em;
  font-size: clamp(14px, 1.6vw, 18px);
  margin-bottom: 48px;
  animation: fade-up 0.8s var(--zc-ease) 0.4s both;
}
.hero-pillars {
  display: flex; justify-content: center; gap: 48px; margin-bottom: 48px;
  animation: fade-up 0.8s var(--zc-ease) 0.5s both;
}
.hero-pillars .pillar { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.pillar-ic {
  width: 52px; height: 52px; display: flex; align-items: center; justify-content: center;
  background: var(--zc-ink-mid); border: 1px solid var(--zc-ink-light);
  border-radius: var(--zc-radius-lg);
  transition: all 0.4s;
}
.pillar-ic svg { width: 26px; height: 26px; }
.pillar:nth-child(1) .pillar-ic, .pillar:nth-child(4) .pillar-ic { color: var(--zc-gold); }
.pillar:nth-child(2) .pillar-ic { color: var(--zc-secure-text); }
.pillar:nth-child(3) .pillar-ic { color: var(--zc-crimson-bright); }
.pillar:nth-child(1) .pillar-ic:hover, .pillar:nth-child(4) .pillar-ic:hover {
  border-color: var(--zc-gold-line); transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(201, 162, 39, 0.25);
}
.pillar:nth-child(2) .pillar-ic:hover {
  border-color: rgba(45, 90, 61, 0.45); transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(45, 90, 61, 0.3);
}
.pillar:nth-child(3) .pillar-ic:hover {
  border-color: rgba(139, 38, 53, 0.5); transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(139, 38, 53, 0.3);
}
.hero-pillars span { color: var(--zc-text-2); letter-spacing: var(--zc-track-wide); }
.hero-cta {
  display: flex; gap: 16px; justify-content: center;
  animation: fade-up 0.8s var(--zc-ease) 0.6s both;
}
.btn-hero {
  padding: 13px 26px; border-radius: var(--zc-radius-md);
  border: 1px solid rgba(201, 162, 39, 0.3);
  background: rgba(201, 162, 39, 0.1); color: var(--zc-gold);
  letter-spacing: var(--zc-track-body);
  transition: background 0.3s;
}
.btn-hero:hover { background: rgba(201, 162, 39, 0.3); }

/* ===================== 通用节 ===================== */
.section { position: relative; z-index: 1; padding: 130px 60px; }
.section-privacy { background: var(--zc-ink-deep); }
.sec-head { text-align: center; margin-bottom: 64px; }
.sec-eyebrow {
  display: inline-block;
  font-size: var(--zc-text-sm); color: var(--zc-gold);
  letter-spacing: var(--zc-track-wide); text-transform: uppercase;
  margin-bottom: 16px;
}
.sec-title {
  font-family: var(--zc-font-display); font-weight: 400;
  font-size: clamp(28px, 3.6vw, 42px);
  color: var(--zc-text-1); letter-spacing: var(--zc-track-title);
  margin-bottom: 16px;
}
.sec-desc { color: var(--zc-text-2); max-width: 600px; margin: 0 auto; font-size: var(--zc-text-md); }

/* ===================== 数字化流水线 ===================== */
.pipeline {
  position: relative;
  max-width: 1200px; margin: 0 auto;
  display: flex;
}
.pipeline::before {
  content: ""; position: absolute; top: 48px; left: 80px; right: 80px; height: 2px;
  background: linear-gradient(90deg, var(--zc-gold-dim), var(--zc-ink-light), var(--zc-gold-dim));
}
.p-step { flex: 1; text-align: center; position: relative; padding: 0 20px; }
.p-ring {
  width: 96px; height: 96px; margin: 0 auto 24px;
  background: var(--zc-ink-mid);
  border: 2px solid var(--zc-ink-light); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 2;
  color: var(--zc-gold);
  transition: border-color 0.4s, box-shadow 0.4s;
}
.p-ring svg { width: 40px; height: 40px; }
.p-step:hover .p-ring { border-color: var(--zc-gold); box-shadow: 0 0 40px rgba(201, 162, 39, 0.25); }
.p-name {
  font-family: var(--zc-font-display);
  font-size: var(--zc-text-xl); color: var(--zc-text-1);
  letter-spacing: var(--zc-track-title); margin-bottom: 8px;
}
.p-desc { color: var(--zc-text-2); font-size: var(--zc-text-sm); line-height: 1.8; }

/* ===================== 核心功能 ===================== */
.features {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 1200px; margin: 0 auto;
}
.f-card {
  position: relative; overflow: hidden;
  background: var(--zc-ink-deep);
  border: 1px solid var(--zc-ink-light);
  border-radius: var(--zc-radius-lg);
  padding: 32px;
  transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
}
.f-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--zc-gold), transparent);
  opacity: 0; transition: opacity 0.4s;
}
.f-card:hover {
  border-color: rgba(201, 162, 39, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
}
.f-card:hover::before { opacity: 1; }
.f-ic {
  width: 56px; height: 56px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  background: var(--zc-ink-mid); border-radius: var(--zc-radius-lg);
  border: 1px solid var(--zc-ink-light);
}
.f-ic svg { width: 28px; height: 28px; }
.f-card h3 {
  font-family: var(--zc-font-display); font-weight: 400;
  font-size: var(--zc-text-xl); color: var(--zc-text-1);
  letter-spacing: var(--zc-track-title); margin-bottom: 12px;
}
.f-card p { color: var(--zc-text-2); font-size: var(--zc-text-base); line-height: 1.8; margin-bottom: 16px; }
.f-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.f-tags span {
  padding: 4px 10px; border-radius: var(--zc-radius-sm);
  font-size: var(--zc-text-xs); letter-spacing: 0.04em;
  background: var(--zc-ink-mid); color: var(--zc-text-3);
  border: 1px solid var(--zc-ink-light);
}
.f-tags span.hi { background: var(--zc-gold-soft); color: var(--zc-gold); border-color: var(--zc-gold-line); }

/* ===================== 隐私六原则 ===================== */
.privacy-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  max-width: 1200px; margin: 0 auto; align-items: center;
}
.privacy-visual { position: relative; height: 400px; }
.pv-center {
  position: absolute; top: 50%; left: 50%; z-index: 2;
  transform: translate(-50%, -50%);
  width: 140px; height: 140px; border-radius: 50%;
  background: var(--zc-ink-mid);
  border: 2px solid var(--zc-secure-text);
  box-shadow: 0 0 60px rgba(45, 90, 61, 0.4);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  color: var(--zc-secure-text);
}
.pv-center svg { width: 40px; height: 40px; }
.pv-center span {
  font-family: var(--zc-font-display);
  font-size: var(--zc-text-base); letter-spacing: var(--zc-track-title);
}
.orbit {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(45, 90, 61, 0.2); border-radius: 50%;
  animation: spin 20s linear infinite;
}
.orbit.o1 { width: 220px; height: 220px; }
.orbit.o2 { width: 300px; height: 300px; animation-direction: reverse; animation-duration: 30s; }
@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}
.sat {
  position: absolute; left: 50%; transform: translateX(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--zc-ink-deep);
  border: 1px solid var(--zc-ink-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--zc-secure-text);
}
.sat svg { width: 22px; height: 22px; }
.orbit.o1 .sat { top: -22px; }
.orbit.o2 .sat-r { top: 50%; right: 0; transform: translate(50%, -50%); }
.orbit.o2 .sat-b { bottom: -22px; left: 50%; transform: translateX(-50%); }

.privacy-info h3 {
  font-family: var(--zc-font-display); font-weight: 400;
  font-size: clamp(26px, 3vw, 36px);
  color: var(--zc-text-1); letter-spacing: var(--zc-track-title); margin-bottom: 8px;
}
.pi-desc { color: var(--zc-text-2); line-height: 1.8; margin-bottom: 32px; font-size: var(--zc-text-md); }
.pi-list { display: flex; flex-direction: column; gap: 20px; }
.pi-item {
  display: flex; gap: 16px; padding: 20px;
  background: var(--zc-ink-mid);
  border: 1px solid var(--zc-ink-light);
  border-radius: var(--zc-radius-lg);
  transition: border-color 0.3s;
}
.pi-item:hover { border-color: rgba(45, 90, 61, 0.4); }
.pi-ic {
  width: 44px; height: 44px; flex: none;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--zc-radius-lg);
  background: rgba(45, 90, 61, 0.1); border: 1px solid rgba(45, 90, 61, 0.3);
  color: var(--zc-secure-text);
}
.pi-ic svg { width: 22px; height: 22px; }
.pi-t { color: var(--zc-text-1); font-weight: 500; margin-bottom: 4px; font-size: var(--zc-text-md); }
.pi-d { color: var(--zc-text-2); font-size: var(--zc-text-sm); }

/* ===================== 页脚 ===================== */
.footer {
  position: relative; z-index: 1;
  padding: 60px; background: var(--zc-ink-deep);
  border-top: 1px solid var(--zc-ink-light);
}
.footer-main {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px;
}
.fb-row { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.fb-logo { width: 32px; height: 32px; }
.fb-name {
  font-family: var(--zc-font-display);
  font-size: var(--zc-text-xl); color: var(--zc-gold);
  letter-spacing: var(--zc-track-wide);
}
.fb-desc { color: var(--zc-text-3); font-size: var(--zc-text-sm); line-height: 1.8; max-width: 420px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-links h4 {
  font-family: var(--zc-font-display); font-weight: 400;
  font-size: var(--zc-text-md); color: var(--zc-text-1);
  letter-spacing: var(--zc-track-title); margin-bottom: 20px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--zc-text-3); font-size: var(--zc-text-sm); transition: color 0.3s; }
.footer-links a:hover { color: var(--zc-gold); }
.footer-bottom {
  max-width: 1200px; margin: 40px auto 0; padding-top: 24px;
  border-top: 1px solid var(--zc-ink-light);
  display: flex; justify-content: space-between; align-items: center;
  font-size: var(--zc-text-sm); color: var(--zc-text-3);
}
.fb-ensure { display: flex; align-items: center; gap: 6px; color: var(--zc-secure-text); }
.fb-ensure svg { width: 14px; height: 14px; }

/* ===================== 响应式 ===================== */
@media (max-width: 1024px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .privacy-grid { grid-template-columns: 1fr; gap: 48px; }
  .privacy-visual { height: 300px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links { display: none; }
  .menu-btn { display: flex; }
  .section { padding: 60px 20px; }
  .hero { padding: 80px 20px; }
  .pipeline { flex-direction: column; align-items: center; gap: 32px; }
  .pipeline::before { display: none; }
  .p-step { padding: 0; }
  .features { grid-template-columns: 1fr; gap: 16px; }
  .privacy-visual { height: 240px; }
  .hero-pillars { gap: 24px; flex-wrap: wrap; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .footer { padding: 48px 20px; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}