/* ============================================================
   信鉴通 · 背景核验 对外宣传专题页
   主色：深蓝紫渐变（取自 cend/index.html 首页视觉）
   #232b5e → #3a3f8f → #5b3fa8，金色点缀 #e6c27a
   目录：bgcheck-promo/styles/main.css
   ============================================================ */

:root {
  /* 品牌深蓝紫 */
  --navy-900: #12173b;
  --navy-800: #1c2450;
  --navy-700: #232b5e;
  --indigo-600: #3a3f8f;
  --violet-500: #5b3fa8;
  --violet-300: #a79adb;
  --lavender-100: #efeafc;

  /* 金色点缀 */
  --gold: #e6c27a;
  --gold-deep: #c99d4a;
  --gold-soft: rgba(230, 194, 122, .16);

  /* 文字 */
  --ink: #1a1f38;
  --ink-2: #4c5474;
  --ink-3: #8a92ad;

  /* 界面 */
  --bg-soft: #f7f8fd;
  --card: #ffffff;
  --line: #e7e9f4;
  --radius-lg: 22px;
  --radius-md: 14px;
  --shadow-card: 0 10px 30px rgba(35, 43, 94, .07);
  --shadow-hover: 0 18px 44px rgba(35, 43, 94, .14);
  --grad-hero: linear-gradient(152deg, #232b5e 0%, #3a3f8f 38%, #5b3fa8 72%, #7a3fb0 100%);
  --grad-gold: linear-gradient(135deg, #f0d59a, #d9ab5a);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg-soft);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ---------- 顶部滚动进度条 ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: var(--grad-gold);
  z-index: 120;
  transition: width .12s linear;
}

/* ============================================================
   顶部导航
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 110;
  transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-nav.scrolled {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 24px rgba(23, 29, 66, .08);
}
.site-nav.scrolled .brand-text { color: var(--ink); }
.site-nav.scrolled .brand-text em { color: var(--indigo-600); }
.site-nav.scrolled .nav-links a { color: var(--ink-2); }
.site-nav.scrolled .nav-links a:hover { color: var(--indigo-600); }

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  filter: drop-shadow(0 4px 10px rgba(35, 43, 94, .35));
}
.brand-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .5px;
  color: #fff;
  transition: color .3s;
  white-space: nowrap;
}
.brand-text em {
  font-style: normal;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, .75);
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid rgba(255, 255, 255, .25);
  letter-spacing: 1px;
}
.site-nav.scrolled .brand-text em { border-left-color: rgba(58, 63, 143, .25); }

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  position: relative;
  font-size: 15px;
  color: rgba(255, 255, 255, .82);
  padding: 8px 14px;
  border-radius: 10px;
  transition: color .25s, background .25s;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, .10); }
.nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-gold);
}
.site-nav.scrolled .nav-links a.active { color: var(--indigo-600); }
.site-nav.scrolled .nav-links a.active::after { background: var(--grad-gold); }

.nav-cta {
  flex-shrink: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-800);
  background: linear-gradient(135deg, #f3d9a0, #dfb264);
  padding: 9px 20px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(230, 194, 122, .35);
  transition: transform .25s, box-shadow .25s, filter .25s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(230, 194, 122, .45); filter: brightness(1.04); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav-toggle span {
  width: 22px; height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform .3s, opacity .3s;
}
.site-nav.scrolled .nav-toggle span { background: var(--ink); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Hero 首屏
   ============================================================ */
.hero {
  position: relative;
  background: var(--grad-hero);
  color: #fff;
  padding: 204px 0 0;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}
.orb-1 {
  width: 560px; height: 560px;
  top: -220px; right: -140px;
  background: radial-gradient(circle, rgba(167, 154, 219, .28), rgba(167, 154, 219, 0) 68%);
}
.orb-2 {
  width: 480px; height: 480px;
  bottom: -160px; left: -160px;
  background: radial-gradient(circle, rgba(90, 63, 168, .45), rgba(90, 63, 168, 0) 66%);
}
.orb-3 {
  width: 300px; height: 300px;
  top: 40%; left: 46%;
  background: radial-gradient(circle, rgba(255, 255, 255, .06), rgba(255, 255, 255, 0) 70%);
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 20%, transparent 75%);
}

.stars {
  position: absolute;
  border-radius: 50%;
  background: #fff;
  opacity: .55;
  animation: twinkle 3.4s ease-in-out infinite;
}
.stars-1 { width: 4px; height: 4px; top: 22%; left: 12%; }
.stars-2 { width: 3px; height: 3px; top: 34%; right: 16%; animation-delay: 1.2s; }
.stars::before, .stars::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: #fff;
}
.stars-1::before { width: 3px; height: 3px; top: 26px; left: 60px; opacity: .7; }
.stars-1::after  { width: 2px; height: 2px; top: -18px; left: -40px; opacity: .5; animation: twinkle 4s ease-in-out infinite reverse; }
.stars-2::before { width: 2px; height: 2px; top: 30px; left: -52px; opacity: .6; }
.stars-2::after  { width: 3px; height: 3px; top: -24px; left: 44px; opacity: .5; animation: twinkle 3s ease-in-out infinite reverse; }

@keyframes twinkle { 0%, 100% { opacity: .25; } 50% { opacity: .8; } }

.hero-inner {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px 124px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 40px;
}

/* 相关政策横幅 */
.policy-banner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
  background: linear-gradient(135deg, rgba(230, 194, 122, .22), rgba(217, 171, 90, .10));
  border: 1px solid rgba(230, 194, 122, .55);
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(10, 14, 44, .3), inset 0 1px 0 rgba(255, 255, 255, .15);
  animation: policy-pulse 4s ease-in-out infinite;
}
.policy-banner svg { color: var(--gold); flex-shrink: 0; }
@keyframes policy-pulse {
  0%, 100% { box-shadow: 0 6px 20px rgba(10, 14, 44, .3), inset 0 1px 0 rgba(255, 255, 255, .15); }
  50% { box-shadow: 0 8px 26px rgba(230, 194, 122, .25), inset 0 1px 0 rgba(255, 255, 255, .2); }
}

/* Hero 文案 */
.hero-copy { min-width: 0; }
.hero-title {
  margin-top: 20px;
  font-size: 53px;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 2px;
  text-shadow: 0 6px 30px rgba(10, 14, 44, .35);
}
.grad-text {
  background: linear-gradient(120deg, #f4ddab, #e6c27a 45%, #b98fe0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: 999px;
  transition: transform .25s, box-shadow .25s, background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn-primary {
  color: var(--navy-800);
  background: linear-gradient(135deg, #f3d9a0, #dfb264);
  box-shadow: 0 10px 28px rgba(230, 194, 122, .38), inset 0 1px 0 rgba(255, 255, 255, .55);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(230, 194, 122, .5); filter: brightness(1.05); }
.btn-ghost {
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .38);
  background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.btn-ghost:hover { transform: translateY(-3px); background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .6); }
.btn-lg { font-size: 18px; padding: 17px 42px; }

/* 关键信息核验宣言条 */
.hero-pledge {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 15px 20px;
  text-align: left;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(230, 194, 122, .42);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12), 0 10px 30px rgba(10, 14, 44, .25);
  animation: pledge-glow 4.5s ease-in-out infinite;
}
@keyframes pledge-glow {
  0%, 100% { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12), 0 10px 30px rgba(10, 14, 44, .25); }
  50% { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 12px 36px rgba(230, 194, 122, .24); }
}
.pledge-badge {
  flex-shrink: 0;
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-800);
  background: var(--grad-gold);
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(230, 194, 122, .42);
}
.pledge-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.pledge-text b {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  letter-spacing: .5px;
  line-height: 1.5;
}
.pledge-text span {
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  letter-spacing: .3px;
}

/* Hero 插画 */
.hero-visual { position: relative; display: flex; justify-content: center; }
.shield-wrap { position: relative; width: 300px; height: 330px; display: flex; align-items: center; justify-content: center; }

.shield-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .10);
}
.ring-1 { width: 300px; height: 300px; animation: spin 40s linear infinite; }
.ring-1::before {
  content: "";
  position: absolute;
  top: -4px; left: 50%;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 14px rgba(230, 194, 122, .9);
}
.ring-2 {
  width: 224px; height: 224px;
  border-style: dashed;
  border-color: rgba(255, 255, 255, .14);
  animation: spin 26s linear infinite reverse;
}

@keyframes spin { to { transform: rotate(360deg); } }

.shield-main {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 26px 44px rgba(10, 14, 44, .5));
  animation: float 5.5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.badge {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-800);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(10, 14, 44, .28);
  animation: float 5.5s ease-in-out infinite;
}
.badge-ico { font-size: 16px; }
.badge-1 { top: 34px; left: 6px; animation-delay: .6s; }
.badge-2 { top: 116px; right: -6px; animation-delay: 1.4s; }
.badge-3 { bottom: 22px; left: 22px; animation-delay: 2.2s; }


/* ============================================================
   信任条
   ============================================================ */
.trust-strip {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.trust-strip-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 26px;
}
.trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  color: var(--ink-2);
}
.chip-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  font-size: 12px;
  color: #fff;
  background: linear-gradient(135deg, #3a3f8f, #5b3fa8);
  box-shadow: 0 3px 8px rgba(58, 63, 143, .3);
}

/* ============================================================
   通用章节
   ============================================================ */
.section { padding: 96px 28px; }
.section:nth-child(even) { background: #fff; }

.section-head { max-width: 1180px; margin: 0 auto 56px; text-align: center; }

.section-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--ink);
}
.section-sub {
  margin-top: 14px;
  font-size: 16.5px;
  color: var(--ink-3);
  letter-spacing: .3px;
}

/* ---------- 滚动浮现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================================================
   核心理念
   ============================================================ */
.concept { position: relative; overflow: hidden; }
.concept::after {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  bottom: -240px; left: -200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(58, 63, 143, .07), rgba(58, 63, 143, 0) 68%);
  pointer-events: none;
}
.concept::before {
  content: "";
  position: absolute;
  width: 460px; height: 460px;
  top: -180px; right: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 154, 219, .16), rgba(167, 154, 219, 0) 68%);
  pointer-events: none;
}

/* 理念宣言 + 三支柱（顶部横幅） */
.concept .section-title {
  background: linear-gradient(120deg, #232b5e 10%, #3a3f8f 50%, #5b3fa8 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 顶部横幅：深蓝品牌宣言 */
.concept-manifesto {
  position: relative;
  max-width: 1180px;
  margin: 0 auto 56px;
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 38px 46px;
  background: linear-gradient(120deg, #232b5e 0%, #3a3f8f 50%, #5b3fa8 100%);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 54px rgba(35, 43, 94, .28);
  overflow: hidden;
  color: #fff;
}
.concept-manifesto::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-gold);
  border-radius: 0 0 3px 3px;
}
.concept-manifesto::after {
  content: "";
  position: absolute;
  width: 340px; height: 340px;
  top: -160px; right: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 194, 122, .16), rgba(230, 194, 122, 0) 68%);
  pointer-events: none;
}
.manifesto-mark {
  flex-shrink: 0;
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--navy-800);
  background: var(--grad-gold);
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(230, 194, 122, .4), inset 0 1px 0 rgba(255, 255, 255, .5);
  animation: mark-float 4.5s ease-in-out infinite;
}
@keyframes mark-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.manifesto-text { position: relative; flex: 1; min-width: 0; }
.manifesto-text p:first-child { font-size: 15px; color: rgba(255, 255, 255, .72); line-height: 1.9; text-align: left; }
.manifesto-text p + p { margin-top: 12px; }
.manifesto-text .manifesto-strong { font-size: 16px; color: rgba(255, 255, 255, .92); line-height: 1.95; }
.manifesto-strong b {
  color: var(--gold);
  font-weight: 800;
  letter-spacing: .5px;
  text-shadow: 0 2px 12px rgba(230, 194, 122, .35);
}

/* 理念三支柱（三列大卡） */
.pillar-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.pillar-card {
  position: relative;
  padding: 42px 32px 36px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform .35s, box-shadow .35s, border-color .35s;
  overflow: hidden;
}
.pillar-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-hero);
  transform: scaleX(.4);
  transform-origin: left;
  transition: transform .45s cubic-bezier(.22, .61, .36, 1);
}
.pillar-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: rgba(91, 63, 168, .28); }
.pillar-card:hover::before { transform: scaleX(1); }
.pillar-no {
  position: absolute;
  top: 18px; right: 24px;
  font-size: 31px;
  font-weight: 800;
  letter-spacing: 1px;
  color: rgba(58, 63, 143, .10);
  transition: color .3s;
}
.pillar-card:hover .pillar-no { color: rgba(91, 63, 168, .26); }
.pillar-ico {
  width: 68px; height: 68px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 31px;
  border-radius: 20px;
  background: linear-gradient(135deg, #eef0fb, #e7e3f7);
  border: 1px solid rgba(91, 63, 168, .12);
  box-shadow: 0 8px 20px rgba(91, 63, 168, .12), inset 0 1px 0 rgba(255, 255, 255, .8);
  transition: transform .35s, box-shadow .35s;
}
.pillar-card:hover .pillar-ico { transform: scale(1.08) rotate(-4deg); box-shadow: 0 12px 26px rgba(91, 63, 168, .2); }
.pillar-body { min-width: 0; }
.pillar-card h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}
.pillar-card p { margin-top: 10px; font-size: 14.5px; color: var(--ink-3); line-height: 1.85; }

/* ============================================================
   核验内容
   ============================================================ */
.items { position: relative; overflow: hidden; }
.items .section-title {
  background: linear-gradient(120deg, #232b5e 10%, #3a3f8f 50%, #5b3fa8 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.items::before {
  content: "";
  position: absolute;
  width: 560px; height: 560px;
  top: -220px; right: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 154, 219, .12), rgba(167, 154, 219, 0) 68%);
  pointer-events: none;
}
.items::after {
  content: "";
  position: absolute;
  width: 480px; height: 480px;
  bottom: -200px; left: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(58, 63, 143, .07), rgba(58, 63, 143, 0) 68%);
  pointer-events: none;
}

.item-grid {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.item-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 18px 12px 16px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfaff 100%);
  border: 1px solid rgba(58, 63, 143, .10);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(35, 43, 94, .07);
  transition: transform .3s, box-shadow .3s, background .3s, border-color .3s;
}
.item-card:hover {
  transform: translateY(-3px);
  border-color: rgba(58, 63, 143, .28);
  box-shadow: 0 12px 30px rgba(35, 43, 94, .12);
  background: radial-gradient(circle at 0% 0%, rgba(91, 63, 168, .05), transparent 55%), linear-gradient(180deg, #ffffff 0%, #fbfaff 100%);
}

.item-no {
  position: absolute;
  top: 10px; right: 12px;
  font-size: 17px;
  font-weight: 800;
  color: rgba(58, 63, 143, .10);
  transition: color .3s;
}
.item-card:hover .item-no { color: rgba(91, 63, 168, .26); }

.item-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.item-ico {
  flex-shrink: 0;
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  border-radius: 13px;
  border: 1px solid transparent;
  background: linear-gradient(#fff, #f6f3fd) padding-box, linear-gradient(135deg, #c9c3ea, #a79adb) border-box;
  box-shadow: 0 4px 12px rgba(91, 63, 168, .14);
  transition: transform .3s, box-shadow .3s;
}
.item-card:hover .item-ico { transform: scale(1.1) rotate(-4deg); box-shadow: 0 8px 18px rgba(91, 63, 168, .24); }
.item-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  transition: color .3s;
}
.item-card:hover h3 { color: var(--indigo-600); }
.item-card p { margin-top: 6px; font-size: 12.5px; color: var(--ink-3); line-height: 1.6; transition: color .3s; }
.item-card:hover p { color: #7c86a4; }
.item-badge {
  margin-top: 8px;
  padding: 2px 9px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-deep);
  background: var(--gold-soft);
  border-radius: 999px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6);
  transition: background .3s, transform .3s;
}
.item-card:hover .item-badge { background: rgba(230, 194, 122, .26); transform: translateY(-1px); }

.items-extra {
  position: relative;
  max-width: 840px;
  margin: 22px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--indigo-600);
  background: rgba(58, 63, 143, .06);
  border-radius: 999px;
}
.items-extra::before {
  content: "✦";
  font-size: 12px;
  color: var(--gold-deep);
}
.extra-label { color: var(--ink-3); }
.extra-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-card);
  font-weight: 600;
  color: var(--indigo-600);
}

/* ============================================================
   报告示例
   ============================================================ */
.report { background: linear-gradient(180deg, #fff 0%, #f6f4fd 100%) !important; }

.report-wrap {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 44px;
  align-items: center;
}

/* 报告卡片 */
.report-demo {
  background: #fff;
  border: 1px solid #e9e7f6;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(35, 43, 94, .16);
  overflow: hidden;
}
.report-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: linear-gradient(135deg, #232b5e 0%, #3a3f8f 55%, #5b3fa8 100%);
  color: #fff;
}
.report-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: .5px;
}
.report-heart {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .16);
  font-size: 14px;
}
.report-flag {
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-deep);
  background: rgba(255, 255, 255, .14);
  border-radius: 999px;
  letter-spacing: 1px;
}

.report-body { padding: 26px 24px 10px; }

.report-conclusion {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px dashed #e4e1f4;
}
.concl-ring {
  width: 58px; height: 58px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 25px;
  font-weight: 800;
  color: #fff;
  border-radius: 50%;
  background: linear-gradient(135deg, #3ddc97, #1fb57a);
  box-shadow: 0 10px 22px rgba(31, 181, 122, .35);
}
.concl-text { flex: 1; min-width: 0; }
.concl-label { font-size: 13.5px; color: var(--ink-3); letter-spacing: 1px; }
.concl-value { margin-top: 2px; font-size: 23px; font-weight: 800; color: var(--ink); }
.concl-value em {
  margin-left: 8px;
  font-style: normal;
  font-size: 13px;
  font-weight: 700;
  color: #1fb57a;
  background: #e9f9f1;
  padding: 3px 10px;
  border-radius: 999px;
  vertical-align: 3px;
}

.report-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  padding: 18px 0;
}
.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13.5px;
  border-bottom: 1px dotted #eceaf7;
  padding-bottom: 8px;
}
.meta-row span { color: var(--ink-3); }
.meta-row b { color: var(--ink-2); font-weight: 600; }

.report-items {
  border-top: 1px dashed #e4e1f4;
  padding: 6px 0 8px;
}
.report-items li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 2px;
  font-size: 14.5px;
  color: var(--ink-2);
  border-bottom: 1px solid #f4f2fb;
}
.report-items li:last-child { border-bottom: none; }
.report-items em { font-style: normal; font-weight: 700; color: #1fb57a; }

.report-foot {
  padding: 12px 24px;
  font-size: 13px;
  color: var(--ink-3);
  text-align: center;
  background: #faf9fe;
  border-top: 1px solid #f0eefb;
}

/* 报告说明 */
.report-notes { display: flex; flex-direction: column; gap: 16px; }
.note-card {
  padding: 22px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.note-card:hover { transform: translateX(6px); border-color: rgba(91, 63, 168, .24); box-shadow: var(--shadow-hover); }
.note-card h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
}
.note-card h4::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 3px;
  background: linear-gradient(135deg, #3a3f8f, #5b3fa8);
  transform: rotate(45deg);
}
.note-card p { margin-top: 8px; font-size: 14.5px; color: var(--ink-3); line-height: 1.85; }

/* ============================================================
   双向真实
   ============================================================ */
.mutual {
  background: linear-gradient(160deg, #f5f2fc 0%, #efeaf9 55%, #e9e3f7 100%);
  color: var(--ink);
  position: relative;
  overflow: hidden;
}
.mutual::before {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  top: -220px; left: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 63, 168, .08), rgba(91, 63, 168, 0) 68%);
  pointer-events: none;
}
.mutual::after {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  bottom: -180px; right: -140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(58, 63, 143, .06), rgba(58, 63, 143, 0) 68%);
  pointer-events: none;
}

.mutual .section-title {
  background: linear-gradient(120deg, #232b5e 10%, #3a3f8f 50%, #5b3fa8 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.mutual .section-sub { color: var(--ink-3); }

/* 要点 chips */
.mutual-points {
  max-width: 1180px;
  margin: 0 auto 46px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 20px;
}
.m-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--indigo-600);
  background: var(--card);
  border: 1px solid rgba(91, 63, 168, .14);
  border-radius: 999px;
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.m-chip:hover { transform: translateY(-2px); border-color: rgba(91, 63, 168, .3); box-shadow: var(--shadow-hover); }

/* 三步横向大卡 */
.flow-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 10px;
}
.flow-card {
  position: relative;
  padding: 36px 28px 30px;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #fbfaff 100%);
  border: 1px solid rgba(91, 63, 168, .10);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 16px rgba(35, 43, 94, .06);
  transition: transform .35s, box-shadow .35s, border-color .35s;
  overflow: hidden;
}
.flow-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-hero);
  transform: scaleX(.4);
  transform-origin: left;
  transition: transform .45s cubic-bezier(.22, .61, .36, 1);
}
.flow-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: rgba(91, 63, 168, .28); }
.flow-card:hover::before { transform: scaleX(1); }
.flow-step {
  position: absolute;
  top: 14px; left: 18px;
  font-size: 29px;
  font-weight: 800;
  color: rgba(58, 63, 143, .10);
  transition: color .3s;
}
.flow-card:hover .flow-step { color: rgba(91, 63, 168, .26); }
.flow-ico {
  width: 64px; height: 64px;
  margin: 6px auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 29px;
  border-radius: 20px;
  border: 1px solid transparent;
  background: linear-gradient(#fff, #f6f3fd) padding-box, linear-gradient(135deg, #c9c3ea, #a79adb) border-box;
  box-shadow: 0 8px 20px rgba(91, 63, 168, .14);
  transition: transform .35s, box-shadow .35s;
}
.flow-card:hover .flow-ico { transform: scale(1.08) rotate(-4deg); box-shadow: 0 12px 26px rgba(91, 63, 168, .22); }
.flow-card h3 { font-size: 18px; font-weight: 700; color: var(--ink); transition: color .3s; }
.flow-card:hover h3 { color: var(--indigo-600); }
.flow-card p { margin-top: 8px; font-size: 14px; color: var(--ink-3); line-height: 1.8; }
.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--violet-500);
}
.flow-arrow svg {
  width: 40px; height: 40px;
  padding: 9px;
  box-sizing: border-box;
  border-radius: 50%;
  background: rgba(91, 63, 168, .08);
  border: 1px solid rgba(91, 63, 168, .12);
  transition: background .3s, transform .3s;
}
.flow-arrow svg:hover { background: rgba(91, 63, 168, .16); transform: scale(1.1); }

.flow-foot {
  max-width: 820px;
  margin: 28px auto 0;
  padding: 13px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14.5px;
  color: var(--indigo-600);
  background: rgba(230, 194, 122, .16);
  border: 1px dashed rgba(217, 171, 90, .45);
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(217, 171, 90, .10);
}

/* ============================================================
   安全合规
   ============================================================ */
.sec-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.sec-card {
  padding: 32px 26px 28px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.sec-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: rgba(91, 63, 168, .26); }
.sec-ico {
  width: 62px; height: 62px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  border-radius: 20px;
  background: linear-gradient(135deg, #232b5e, #5b3fa8);
  box-shadow: 0 12px 26px rgba(35, 43, 94, .3);
}
.sec-card h3 { margin-top: 18px; font-size: 17.5px; font-weight: 700; }
.sec-card p { margin-top: 10px; font-size: 14.5px; color: var(--ink-3); line-height: 1.85; }

/* ============================================================
   产品接入（奥壹产品体系）
   ============================================================ */
.access { position: relative; overflow: hidden; background: linear-gradient(180deg, #fbfaff 0%, #f6f3fd 100%) !important; }
.access .section-title {
  background: linear-gradient(120deg, #232b5e 10%, #3a3f8f 50%, #5b3fa8 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.access::before {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  top: -200px; left: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 154, 219, .12), rgba(167, 154, 219, 0) 68%);
  pointer-events: none;
}
.access::after {
  content: "";
  position: absolute;
  width: 460px; height: 460px;
  bottom: -200px; right: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(58, 63, 143, .07), rgba(58, 63, 143, 0) 68%);
  pointer-events: none;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.faq-item.open { border-color: rgba(91, 63, 168, .32); box-shadow: var(--shadow-hover); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  transition: color .25s;
}
.faq-q:hover { color: var(--indigo-600); }

.faq-arrow {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  position: relative;
  background: rgba(58, 63, 143, .07);
  transition: transform .35s, background .3s;
}
.faq-arrow::before, .faq-arrow::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  background: var(--indigo-600);
  border-radius: 2px;
  transition: opacity .25s;
}
.faq-arrow::before { width: 10px; height: 2px; transform: translate(-50%, -50%); }
.faq-arrow::after { width: 2px; height: 10px; transform: translate(-50%, -50%); }
.faq-item.open .faq-arrow { transform: rotate(45deg); background: rgba(91, 63, 168, .14); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s cubic-bezier(.22, .61, .36, 1);
}
.faq-a p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.9;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  position: relative;
  padding: 110px 28px;
  text-align: center;
  background: var(--grad-hero);
  color: #fff;
  overflow: hidden;
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; }
.orb-4 {
  width: 520px; height: 520px;
  top: -260px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(230, 194, 122, .20), rgba(230, 194, 122, 0) 68%);
}
.orb-5 {
  width: 420px; height: 420px;
  bottom: -220px; right: -140px;
  background: radial-gradient(circle, rgba(167, 154, 219, .28), rgba(167, 154, 219, 0) 68%);
}

.cta-inner { position: relative; }
.cta-kicker {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 5px;
  color: var(--gold);
}
.cta-title {
  margin-top: 16px;
  font-size: 43px;
  font-weight: 800;
  letter-spacing: 3px;
  text-shadow: 0 8px 34px rgba(10, 14, 44, .4);
}
.cta-sub {
  margin-top: 16px;
  font-size: 17px;
  color: rgba(255, 255, 255, .78);
  letter-spacing: 1px;
}
.cta .btn { margin-top: 36px; }
.cta-note {
  margin-top: 22px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .52);
  letter-spacing: 1px;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .6);
  padding: 44px 28px 40px;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .5px;
}
.footer-links {
  margin-left: auto;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 8px;
  transition: color .25s, background .25s;
}
.footer-links a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.footer-copy {
  width: 100%;
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .38);
  letter-spacing: .5px;
}

/* ============================================================
   返回顶部
   ============================================================ */
.back-top {
  position: fixed;
  right: 26px;
  bottom: 30px;
  z-index: 100;
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #3a3f8f, #5b3fa8);
  box-shadow: 0 12px 28px rgba(35, 43, 94, .4);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity .3s, transform .3s, box-shadow .3s;
}
.back-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-top:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(35, 43, 94, .5); }

/* ============================================================
   扫码弹窗
   ============================================================ */
.qr-mask {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(18, 23, 59, .55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}
.qr-mask.show { opacity: 1; visibility: visible; }
.qr-card {
  position: relative;
  width: 430px;
  max-width: 92vw;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 40px 100px rgba(10, 14, 44, .45);
  overflow: hidden;
  transform: translateY(24px) scale(.94);
  transition: transform .4s cubic-bezier(.22, .61, .36, 1);
}
.qr-mask.show .qr-card { transform: translateY(0) scale(1); }

/* 品牌头部横幅 */
.qr-head {
  position: relative;
  padding: 34px 30px 30px;
  text-align: center;
  background: linear-gradient(135deg, #232b5e 0%, #3a3f8f 55%, #5b3fa8 100%);
  overflow: hidden;
}
.qr-head::before {
  content: "";
  position: absolute;
  width: 240px; height: 240px;
  top: -120px; right: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 194, 122, .22), rgba(230, 194, 122, 0) 70%);
}
.qr-head::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 56px; height: 3px;
  background: var(--grad-gold);
  border-radius: 3px 3px 0 0;
}
.qr-close {
  position: absolute;
  top: 14px; right: 14px;
  z-index: 2;
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: rgba(255, 255, 255, .85);
  background: rgba(255, 255, 255, .14);
  font-size: 15px;
  transition: background .25s, transform .25s;
}
.qr-close:hover { background: rgba(255, 255, 255, .26); transform: rotate(90deg); }
.qr-logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  font-size: 25px;
  color: var(--navy-800);
  background: var(--grad-gold);
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(230, 194, 122, .45), inset 0 1px 0 rgba(255, 255, 255, .5);
}
.qr-head-title {
  position: relative;
  margin-top: 16px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 4px 18px rgba(10, 14, 44, .3);
}
.qr-head-sub {
  position: relative;
  margin-top: 8px;
  font-size: 14px;
  letter-spacing: .5px;
  color: rgba(255, 255, 255, .72);
}

/* 二维码主体 */
.qr-body {
  padding: 30px 30px 32px;
  text-align: center;
}
.qr-box {
  position: relative;
  width: 244px; height: 244px;
  margin: 0 auto;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(35, 43, 94, .14);
  overflow: hidden;
}
.qr-box canvas, .qr-box img { width: 100%; height: 100%; display: block; object-fit: contain; }
.qr-scanline {
  position: absolute;
  left: 8px; right: 8px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #3a3f8f 50%, transparent);
  box-shadow: 0 0 12px rgba(58, 63, 143, .6);
  animation: qr-scan 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes qr-scan {
  0% { top: 10px; opacity: 0; }
  10% { opacity: 1; }
  50% { top: calc(100% - 12px); }
  90% { opacity: 1; }
  100% { top: 10px; opacity: 0; }
}
.qr-tip {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 14px;
  color: var(--ink-2);
}
.qr-tip b { color: var(--indigo-600); font-weight: 700; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; padding-bottom: 104px; }
  .hero-actions { justify-content: center; }
  .hero-visual { margin-top: 26px; }
  .shield-wrap { width: 260px; height: 290px; }
  .shield-main { width: 190px; }
  .ring-1 { width: 260px; height: 260px; }
  .ring-2 { width: 196px; height: 196px; }
  .badge-1 { left: -8px; }
  .badge-2 { right: -8px; }

  .sec-grid { grid-template-columns: 1fr 1fr; }
  .item-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .item-card { flex-direction: row; align-items: flex-start; text-align: left; padding: 16px 18px 14px; }
  .item-no { top: 14px; right: 18px; font-size: 21px; }
  .item-head { flex-direction: row; align-items: center; gap: 10px; padding-right: 34px; }
  .item-ico { width: 40px; height: 40px; font-size: 21px; border-radius: 11px; }
  .item-card h3 { justify-content: flex-start; font-size: 15.5px; }
  .item-card p { font-size: 13px; line-height: 1.65; }
  .item-badge { margin-top: 0; }
  .report-wrap { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 720px) {
  .section { padding: 72px 20px; }
  .section-title { font-size: 31px; }
  .hero { padding-top: 156px; }

  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(16px);
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(23, 29, 66, .12);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s, opacity .3s;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a {
    color: var(--ink-2);
    padding: 13px 16px;
    border-radius: 10px;
    font-size: 16px;
  }
  .nav-links a:hover { background: rgba(58, 63, 143, .07); color: var(--indigo-600); }
  .nav-links a.active { color: var(--indigo-600); background: rgba(58, 63, 143, .07); }
  .nav-links a.active::after { display: none; }

  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .hero-title { font-size: 37px; letter-spacing: 1px; }
  .policy-banner { font-size: 13px; letter-spacing: 1.5px; padding: 6px 14px; }
  .hero-pledge { padding: 13px 16px; gap: 12px; }
  .pledge-badge { width: 40px; height: 40px; border-radius: 12px; }
  .pledge-text b { font-size: 15.5px; }
  .pledge-text span { font-size: 13px; }
  .hero-actions .btn { width: 100%; }
  .trust-strip-inner { padding: 16px 20px; gap: 8px 18px; }
  .trust-chip { font-size: 13.5px; }

  .item-grid, .sec-grid { grid-template-columns: 1fr; }
  .pillar-grid { grid-template-columns: 1fr; }
  .concept-manifesto { flex-direction: column; align-items: center; text-align: center; padding: 28px 22px; gap: 16px; }
  .manifesto-text p { text-align: center; }
  .manifesto-mark { width: 38px; height: 38px; font-size: 17px; border-radius: 10px; }
  .item-card { padding: 16px 16px 14px; }
  .item-no { top: 14px; right: 16px; font-size: 19px; }
  .item-head { gap: 10px; padding-right: 28px; }
  .item-ico { width: 34px; height: 34px; font-size: 18px; border-radius: 9px; }
  .flow-grid { grid-template-columns: 1fr; gap: 10px; }
  .flow-arrow { transform: rotate(90deg); padding: 6px 0; }
  .flow-card { padding: 28px 22px 24px; }
  .flow-ico { width: 54px; height: 54px; font-size: 25px; }
  .m-chip { font-size: 13.5px; padding: 8px 14px; }
  .mutual-points { margin-bottom: 34px; }

  .report-meta { grid-template-columns: 1fr; }
  .cta { padding: 84px 20px; }
  .cta-title { font-size: 31px; }
  .cta .btn { width: 100%; max-width: 360px; }
  .back-top { right: 16px; bottom: 18px; width: 42px; height: 42px; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { margin-left: 0; }
}

/* ---------- 无障碍：尊重减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}