/* ============================================================
   工e莨金 · 「工行杯」参赛展示站  V2
   设计语言：工行蓝科技渐变 × 白色卡片 × 工行红 × 香云纱金点缀
   （对齐往届工行杯获奖作品的路演与平台风格）
   ============================================================ */

:root {
  --sky-0: #f4faff;
  --sky-1: #e6f3fc;
  --sky-2: #c9e4f8;
  --sky-3: #a8d4f1;
  --bg-body: #eef5fb;
  --card: #ffffff;
  --line: #d9e7f3;
  --line-strong: #b9d3ea;

  --red: #c7000b;
  --red-deep: #9d0009;
  --red-soft: #fdeeee;

  --blue-900: #08386f;
  --blue-800: #0a4589;
  --blue-700: #0b559e;
  --blue-600: #1670c2;
  --blue-500: #2f8ae0;
  --blue-soft: #e9f2fb;
  --blue-mist: #f3f8fd;

  --gold: #c9a86a;
  --gold-deep: #9a7a44;
  --gold-soft: #f7efe0;

  --ink: #17273a;
  --muted: #56677d;
  --faint: #8595a9;

  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", SimSun, serif;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --nav-h: 72px;

  --shadow-card: 0 6px 24px rgba(11, 85, 158, 0.08), 0 1px 3px rgba(11, 85, 158, 0.06);
  --shadow-lift: 0 18px 44px rgba(11, 85, 158, 0.16), 0 3px 8px rgba(11, 85, 158, 0.08);
}

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

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

body {
  font-family: var(--sans);
  background: var(--bg-body);
  color: var(--ink);
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

::selection { background: rgba(199, 0, 11, 0.16); color: var(--red-deep); }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
b, strong { font-weight: 600; }

/* ============ 背景装饰 ============ */

.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, #dceefb 0%, var(--sky-2) 34%, var(--sky-3) 68%, var(--bg-body) 100%);
}

.lattice {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72'%3E%3Cpath d='M36 2L70 36 36 70 2 36Z' fill='none' stroke='%23ffffff' stroke-opacity='.8' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 72px 72px;
  opacity: 0.10;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.15) 42%, transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.15) 42%, transparent 70%);
}

.glow { position: absolute; border-radius: 50%; filter: blur(80px); }
.glow-a { width: 560px; height: 560px; left: -140px; top: 6%; background: rgba(255, 255, 255, 0.5); }
.glow-b { width: 460px; height: 460px; right: -120px; top: 40%; background: rgba(255, 255, 255, 0.32); }

/* ============ 通用 ============ */

.section {
  position: relative;
  padding: 104px 24px;
  scroll-margin-top: var(--nav-h);
}
.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.35) 12%, rgba(255, 255, 255, 0.35) 88%, rgba(255, 255, 255, 0.85));
  border-top: 1px solid rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
}
.section-inner { max-width: 1180px; margin: 0 auto; }

.section-head { max-width: 780px; margin-bottom: 56px; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: var(--red);
  margin-bottom: 18px;
  font-weight: 600;
}
.kicker::before,
.kicker::after {
  content: "";
  width: 34px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  opacity: .45;
}

h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: 0.02em;
  color: var(--blue-800);
}

.lede {
  margin-top: 20px;
  color: var(--muted);
  font-size: 16.5px;
  max-width: 70ch;
}

.br-m { display: none; }

/* ============ 导航 ============ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(11, 85, 158, 0.08);
}
.nav-inner {
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  color: #fff;
  background: linear-gradient(160deg, #e01524, var(--red) 55%, var(--red-deep));
  border-radius: 11px;
  box-shadow: 0 4px 14px rgba(199, 0, 11, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.brand-mark svg { width: 24px; height: 24px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue-800);
}
.brand-text small { font-size: 11px; color: var(--faint); letter-spacing: 0.18em; }

.nav-links { display: flex; gap: 6px; }
.nav-links a {
  position: relative;
  padding: 8px 14px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  border-radius: 8px;
  transition: color 0.25s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--red); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 2px;
  width: 0; height: 2px;
  border-radius: 2px;
  background: var(--red);
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover::after { width: 60%; }

.nav-cta {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fff;
  background: linear-gradient(160deg, #e01524, var(--red) 55%, var(--red-deep));
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(199, 0, 11, 0.32);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
  white-space: nowrap;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(199, 0, 11, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  padding: 10px 9px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--blue-800);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

/* ============ Hero ============ */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 150px 24px 110px;
  overflow: hidden;
}

.hero-ornament {
  position: absolute;
  right: -180px;
  top: 50%;
  transform: translateY(-50%);
  width: min(760px, 90vw);
  aspect-ratio: 1;
  opacity: 0.4;
  pointer-events: none;
}
.medallion { width: 100%; height: 100%; animation: spin 90s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-inner { position: relative; z-index: 1; max-width: 900px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--blue-800);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 4px 20px rgba(11, 85, 158, 0.12);
  backdrop-filter: blur(8px);
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--red);
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(199, 0, 11, 0.35); }
  50% { box-shadow: 0 0 0 7px rgba(199, 0, 11, 0); }
}

.hero-title { margin-top: 40px; }
.title-main {
  display: inline-block;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(64px, 13vw, 128px);
  line-height: 1.08;
  letter-spacing: 0.06em;
  background: linear-gradient(170deg, #f0303e 6%, var(--red) 42%, var(--red-deep) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 10px 30px rgba(199, 0, 11, 0.22));
  position: relative;
}
.title-main::after {
  content: "";
  position: absolute;
  left: 8%; right: 8%; bottom: -14px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.hero-sub {
  margin-top: 36px;
  font-family: var(--serif);
  font-size: clamp(17px, 2.6vw, 23px);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue-900);
}
.hero-tagline {
  margin-top: 16px;
  font-size: clamp(14.5px, 2vw, 16.5px);
  color: var(--muted);
}
.hero-tagline .em { color: var(--red); font-weight: 600; }

.hero-keywords {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}
.hero-keywords li {
  width: 66px; height: 66px;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--red);
  background: rgba(255, 255, 255, 0.88);
  border: 1.5px solid rgba(199, 0, 11, 0.22);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  box-shadow: 0 6px 18px rgba(11, 85, 158, 0.12);
  transition: transform 0.35s var(--ease), background 0.35s, color 0.35s;
  cursor: default;
}
.hero-keywords li:hover {
  transform: translateY(-4px) scale(1.05);
  background: linear-gradient(160deg, #e01524, var(--red-deep));
  color: #fff;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s, border-color 0.25s;
}
.btn-red {
  color: #fff;
  background: linear-gradient(160deg, #e01524, var(--red) 55%, var(--red-deep));
  box-shadow: 0 8px 24px rgba(199, 0, 11, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn-red:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(199, 0, 11, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn-ghost {
  color: var(--blue-700);
  border: 1.5px solid var(--blue-500);
  background: rgba(255, 255, 255, 0.8);
}
.btn-ghost:hover {
  transform: translateY(-2px);
  background: #fff;
  border-color: var(--blue-700);
  box-shadow: 0 8px 24px rgba(11, 85, 158, 0.16);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  color: var(--blue-700);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  box-shadow: 0 6px 20px rgba(11, 85, 158, 0.14);
  animation: bob 2.4s ease-in-out infinite;
  z-index: 1;
}
.scroll-hint svg { width: 18px; height: 18px; }
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 7px); }
}

/* ============ 数据带 ============ */

.stats-band {
  position: relative;
  padding: 0 24px;
  margin-top: -36px;
  z-index: 2;
}
.stats-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  position: relative;
}
.stats-inner::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red) 0%, #e8535c 30%, var(--gold) 70%, var(--blue-600) 100%);
}
.stat {
  padding: 36px 20px 32px;
  text-align: center;
  position: relative;
}
.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0; top: 22%;
  height: 56%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--line-strong), transparent);
}
.stat-num {
  font-family: var(--serif);
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  background: linear-gradient(165deg, #e01524, var(--red) 60%, var(--red-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-num .unit { font-size: 0.52em; margin-left: 4px; letter-spacing: 0.06em; }
.stat-label { margin-top: 10px; font-size: 13.5px; font-weight: 500; color: var(--muted); letter-spacing: 0.06em; }

/* ============ 痛点 ============ */

.pain-grid {
  display: grid;
  grid-template-columns: 1fr 92px 1fr;
  align-items: stretch;
  gap: 0;
}

.pain-card {
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-card);
  padding: 38px 36px 30px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s;
}
.pain-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.pain-card:first-child::before { background: linear-gradient(90deg, #c98850, var(--gold)); }
.pain-card:last-child::before { background: linear-gradient(90deg, var(--blue-500), var(--blue-700)); }
.pain-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lift);
}

.pain-tag {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: 0.28em;
  text-indent: 0.28em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
  font-weight: 600;
}
.tag-artisan { color: #8a5a20; background: var(--gold-soft); border: 1px solid #eadfc4; }
.tag-bank { color: var(--blue-700); background: var(--blue-soft); border: 1px solid #cfe2f5; }

.pain-card h3 {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 700;
  margin-bottom: 22px;
  letter-spacing: 0.03em;
  color: var(--blue-900);
}

.pain-list li {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px dashed var(--line);
  font-size: 14.8px;
  color: var(--muted);
}
.pain-list b {
  color: var(--ink);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.5;
}

.pain-foot {
  margin-top: 22px;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--blue-mist);
  border: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--muted);
}
.pain-foot .hl { color: var(--red); font-weight: 700; }

.pain-vs {
  display: grid;
  place-items: center;
  position: relative;
}
.pain-vs span {
  width: 76px; height: 76px;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.1em;
  color: #fff;
  background: linear-gradient(160deg, var(--blue-600), var(--blue-800));
  border-radius: 50%;
  box-shadow: 0 10px 26px rgba(11, 85, 158, 0.3);
}
.pain-vs::before,
.pain-vs::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 1.5px;
  height: calc(50% - 44px);
  background: linear-gradient(180deg, transparent, var(--line-strong));
}
.pain-vs::before { top: 0; transform: translateX(-50%); }
.pain-vs::after { bottom: 0; transform: translateX(-50%) rotate(180deg); }

.pain-loop {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 30px 28px;
  border: 1.5px dashed var(--line-strong);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.6);
}
.loop-item {
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
}
.loop-broken {
  color: var(--red);
  border-color: rgba(199, 0, 11, 0.3);
  background: var(--red-soft);
}
.loop-arrow { color: var(--faint); font-size: 15px; }
.loop-answer {
  flex-basis: 100%;
  text-align: center;
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
}
.loop-answer b {
  font-family: var(--serif);
  color: var(--red);
  font-size: 16.5px;
  margin-right: 6px;
}

/* ============ 五位一体闭环 ============ */

.loop-flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  flex-wrap: nowrap;
}
.loop-node {
  width: 152px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 26px 10px;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease), box-shadow 0.4s;
}
.loop-node:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}
.loop-ico {
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, var(--blue-500), var(--blue-700));
  border-radius: 14px;
  box-shadow: 0 6px 16px rgba(11, 85, 158, 0.26);
  margin-bottom: 8px;
}
.loop-ico svg { width: 26px; height: 26px; }
.loop-node b {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue-900);
}
.loop-node > span {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}
.loop-line {
  align-self: center;
  width: clamp(16px, 3.4vw, 44px);
  height: 2px;
  flex-shrink: 0;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-600));
  position: relative;
}
.loop-line::after {
  content: "";
  position: absolute;
  right: -1px; top: -4px;
  border-left: 7px solid var(--blue-600);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

.solution-note {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-card);
}
.note-cell {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  font-size: 13.8px;
  color: var(--muted);
  border-left: 1px solid var(--line);
}
.note-cell:first-child { border-left: none; }
.note-cell b {
  flex-shrink: 0;
  width: 36px; height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(160deg, #e01524, var(--red-deep));
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(199, 0, 11, 0.26);
}

/* ============ 五大模块 ============ */

.module-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.module-card {
  flex: 0 1 356px;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  padding: 36px 32px 30px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s;
}
.module-card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--blue-500), var(--red), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.module-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lift);
}
.module-card:hover::after { opacity: 1; }
.module-ico {
  width: 60px; height: 60px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, #e01524, var(--red) 55%, var(--red-deep));
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(199, 0, 11, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  margin-bottom: 22px;
}
.module-ico svg { width: 28px; height: 28px; }
.module-no {
  font-size: 12px;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  color: var(--red);
  margin-bottom: 8px;
  font-weight: 700;
}
.module-card h3 {
  font-family: var(--serif);
  font-size: 21.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 14px;
  color: var(--blue-900);
}
.module-card p {
  font-size: 14.8px;
  color: var(--muted);
  min-height: 108px;
}
.module-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.module-tags span {
  font-size: 12px;
  color: var(--blue-700);
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border: 1px solid #cfe2f5;
  border-radius: 999px;
  background: var(--blue-soft);
}

.module-card-claim {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 18px;
  background: linear-gradient(160deg, var(--blue-800) 0%, var(--blue-900) 70%, #051f3e 100%);
  border: none;
}
.module-card-claim::after {
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.claim-quote {
  font-family: var(--serif);
  font-size: 18.5px;
  line-height: 1.9;
  font-weight: 600;
  color: #f4f8fc;
  position: relative;
  padding-top: 6px;
}
.q-mark {
  position: absolute;
  top: -14px; left: -8px;
  font-size: 52px;
  font-weight: 900;
  color: var(--gold);
  opacity: .8;
  line-height: 1;
}
.claim-badge {
  font-size: 12.5px;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  color: var(--blue-900);
  font-weight: 700;
  padding: 7px 16px;
  border-radius: 999px;
  background: linear-gradient(160deg, #f4e3bb, var(--gold));
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

/* ============ 技术架构 ============ */

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.tech-panel {
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  padding: 34px 34px 30px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.4s;
}
.tech-panel:hover { box-shadow: var(--shadow-lift); }
.panel-title {
  font-family: var(--serif);
  font-size: 19.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  color: var(--blue-900);
}
.panel-desc { font-size: 13.8px; color: var(--faint); margin-bottom: 26px; }

.gene-layers { display: flex; flex-direction: column; gap: 14px; }
.gene-layer {
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue-600);
  border-radius: 12px;
  padding: 18px 22px;
  background: var(--blue-mist);
  transition: transform 0.35s var(--ease), box-shadow 0.35s, background 0.35s;
}
.gene-layer:hover {
  transform: translateX(6px);
  box-shadow: 0 8px 22px rgba(11, 85, 158, 0.12);
  background: var(--blue-soft);
}
.gene-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.gene-head b { font-size: 16px; font-weight: 700; letter-spacing: 0.04em; color: var(--blue-900); }
.gene-head span { font-size: 12px; color: var(--red); font-weight: 600; letter-spacing: 0.06em; }
.gene-layer p { font-size: 13.6px; color: var(--muted); }

.defense-list li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  color: var(--muted);
}
.defense-list li:last-of-type { border-bottom: none; }
.defense-list b {
  flex-shrink: 0;
  color: var(--blue-700);
  font-weight: 700;
  width: 82px;
}

.verify-badge {
  margin-top: 24px;
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid #f3d9da;
  background: linear-gradient(160deg, #fff5f5, var(--red-soft));
}
.verify-badge svg { width: 30px; height: 30px; color: var(--red); flex-shrink: 0; }
.verify-badge b { display: block; font-size: 15px; letter-spacing: 0.04em; color: var(--red-deep); }
.verify-badge span { font-size: 12.8px; color: var(--muted); }

.tech-chips {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.tech-chips span {
  font-size: 12.8px;
  color: var(--blue-700);
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 8px 16px;
  border: 1px solid #cfe2f5;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(11, 85, 158, 0.06);
  transition: color 0.3s, border-color 0.3s, transform 0.3s;
}
.tech-chips span:hover {
  color: var(--red);
  border-color: rgba(199, 0, 11, 0.3);
  transform: translateY(-2px);
}

/* ============ 业务流程 ============ */

.flow-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  padding-top: 26px;
}
.flow-track {
  position: absolute;
  top: 52px;
  left: 4%;
  right: 4%;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-500) 12%, var(--blue-600) 88%, transparent);
}
.flow-step {
  position: relative;
  text-align: center;
  padding: 0 6px;
}
.step-no {
  width: 54px; height: 54px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--red);
  background: #fff;
  border: 2px solid var(--red);
  border-radius: 50%;
  box-shadow: 0 0 0 6px var(--sky-1), 0 6px 18px rgba(199, 0, 11, 0.16);
  transition: transform 0.35s var(--ease), background 0.35s, color 0.35s, box-shadow 0.35s;
}
.flow-step:hover .step-no {
  transform: scale(1.1);
  background: var(--red);
  color: #fff;
  box-shadow: 0 0 0 6px var(--sky-1), 0 10px 26px rgba(199, 0, 11, 0.3);
}
.flow-step h4 {
  font-family: var(--serif);
  font-size: 17.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  color: var(--blue-900);
}
.flow-step p { font-size: 13.2px; color: var(--muted); line-height: 1.8; }
.flow-step b { color: var(--red); font-weight: 700; }

/* ============ 市场前景 ============ */

.market-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.market-panel {
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  padding: 34px 34px 28px;
  box-shadow: var(--shadow-card);
}

.bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 24px;
  height: 240px;
  padding: 0 6px;
  margin-top: 28px;
}
.bar {
  flex: 1;
  max-width: 150px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
}
.bar-value {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--blue-800);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.bar-fill {
  width: 100%;
  height: 0;
  border-radius: 10px 10px 4px 4px;
  background: linear-gradient(180deg, var(--blue-500), var(--blue-700) 70%, var(--blue-800));
  position: relative;
  transition: height 1.3s var(--ease);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
html.js .reveal.in .bar-fill { height: var(--h); }
.bar-fill-hot {
  background: linear-gradient(180deg, #e8535c, var(--red) 55%, var(--red-deep));
  box-shadow: 0 0 30px rgba(199, 0, 11, 0.25);
}
.bar-year {
  position: absolute;
  bottom: -30px;
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--faint);
  letter-spacing: 0.08em;
}
.chart-foot {
  margin-top: 44px;
  font-size: 12.5px;
  color: var(--faint);
  text-align: center;
  letter-spacing: 0.04em;
}

.tam-som {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 26px;
}
.ring {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 24px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  background: var(--blue-mist);
  position: relative;
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
}
.ring:hover { transform: translateX(6px); box-shadow: 0 8px 22px rgba(11, 85, 158, 0.1); }
.ring-tam { margin: 0 -20px; opacity: 0.88; }
.ring-sam { margin: 0 -6px; background: var(--blue-soft); }
.ring-som {
  background: #fff;
  border: 1.5px solid rgba(199, 0, 11, 0.25);
  box-shadow: 0 6px 20px rgba(199, 0, 11, 0.08);
}
.ring b {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--blue-800);
}
.ring-som b { color: var(--red); }
.ring span { font-size: 13.5px; color: var(--muted); }

.market-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.market-chips span {
  font-size: 13px;
  color: var(--muted);
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}
.market-chips b { color: var(--red); font-weight: 700; }

/* ============ 发展规划 ============ */

.roadmap-grid {
  display: grid;
  grid-template-columns: 1fr 52px 1fr 52px 1fr;
  align-items: stretch;
  gap: 0;
}
.road-card {
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  padding: 34px 30px 30px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s;
}
.road-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}
.road-stage {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.road-stage.now { color: #fff; background: linear-gradient(160deg, #e01524, var(--red-deep)); box-shadow: 0 4px 12px rgba(199, 0, 11, 0.26); }
.road-stage.mid { color: var(--blue-700); border: 1.5px solid var(--blue-500); }
.road-stage.far { color: var(--muted); border: 1px solid var(--line-strong); }
.road-card h3 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
  color: var(--blue-900);
}
.road-card p { font-size: 14.5px; color: var(--muted); }
.road-mark {
  position: absolute;
  right: -34px; top: -34px;
  width: 110px; height: 110px;
  border: 1px solid var(--line-strong);
  transform: rotate(45deg);
  pointer-events: none;
  opacity: .5;
}
.road-arrow {
  display: grid;
  place-items: center;
  color: var(--blue-600);
}
.road-arrow svg { width: 22px; height: 22px; }

/* ============ 尾部 CTA ============ */

.cta-final {
  padding: 130px 24px 150px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(700px 340px at 50% 118%, rgba(201, 168, 106, 0.22), transparent 70%),
    linear-gradient(180deg, var(--blue-700) 0%, var(--blue-800) 46%, #061f3e 100%);
}
.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72'%3E%3Cpath d='M36 2L70 36 36 70 2 36Z' fill='none' stroke='%23ffffff' stroke-opacity='.8' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 72px 72px;
  opacity: 0.05;
  pointer-events: none;
}
.cta-inner { max-width: 760px; margin: 0 auto; position: relative; }
.cta-kicker {
  font-size: 13.5px;
  letter-spacing: 0.32em;
  text-indent: 0.32em;
  color: var(--gold);
  margin-bottom: 26px;
  font-weight: 600;
}
.cta-final h2 {
  color: #fff;
  font-size: clamp(26px, 4vw, 38px);
}
.cta-line {
  width: 90px; height: 2px;
  margin: 34px auto;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.cta-final p { color: rgba(244, 248, 252, 0.78); font-size: 15.5px; letter-spacing: 0.08em; }

/* ============ Footer ============ */

.footer {
  border-top: 1px solid var(--line);
  padding: 56px 24px 48px;
  text-align: center;
  background: #f8fbfe;
}
.footer-inner { max-width: 900px; margin: 0 auto; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue-800);
}
.footer-brand .brand-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
}
.footer-brand .brand-mark svg { width: 20px; height: 20px; }
.footer-meta { margin-top: 16px; font-size: 14px; color: var(--muted); letter-spacing: 0.06em; }
.footer-note { margin-top: 8px; font-size: 12.5px; color: var(--faint); }
.footer-copy { margin-top: 18px; font-size: 12.5px; color: var(--faint); letter-spacing: 0.05em; }

/* ============ 对工行的价值 ============ */

.value-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.value-card {
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  padding: 30px 32px;
  box-shadow: var(--shadow-card);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: transform 0.4s var(--ease), box-shadow 0.4s;
}
.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lift);
}
.value-ico {
  flex-shrink: 0;
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, var(--blue-500), var(--blue-700));
  border-radius: 14px;
  box-shadow: 0 6px 16px rgba(11, 85, 158, 0.26);
}
.value-ico svg { width: 26px; height: 26px; }
.value-card h4 {
  font-family: var(--serif);
  font-size: 18.5px;
  font-weight: 700;
  color: var(--blue-900);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.value-card p { font-size: 14.5px; color: var(--muted); }

@media (max-width: 860px) {
  .value-grid { grid-template-columns: 1fr; }
  .value-card { flex-direction: column; gap: 14px; }
}

/* ============ 平台演示 ============ */

.demo-shell {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 24px;
  align-items: stretch;
}

.demo-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.demo-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  text-align: left;
  font-family: var(--sans);
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}
.demo-step:hover { transform: translateX(4px); border-color: var(--line-strong); }
.demo-step.active {
  border-color: var(--red);
  background: linear-gradient(160deg, #fff, #fff7f7);
  box-shadow: 0 8px 24px rgba(199, 0, 11, 0.12);
}
.ds-no {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--blue-700);
  background: var(--blue-soft);
  border-radius: 50%;
  transition: all 0.3s;
}
.demo-step.active .ds-no {
  color: #fff;
  background: linear-gradient(160deg, #e01524, var(--red-deep));
}
.ds-text { display: flex; flex-direction: column; line-height: 1.4; }
.ds-text b { font-size: 16px; font-weight: 700; color: var(--ink); }
.ds-text small { font-size: 12.5px; color: var(--faint); }

.demo-stage {
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  min-height: 400px;
  position: relative;
}
.demo-panel { display: none; animation: fadeUp 0.45s var(--ease); }
.demo-panel.active { display: block; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.dp-head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--blue-mist);
  flex-wrap: wrap;
}
.dp-tag {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--red);
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--red-soft);
  border: 1px solid #f3d3d5;
  white-space: nowrap;
}
.dp-title { font-family: var(--serif); font-size: 17.5px; font-weight: 700; color: var(--blue-900); }

.dp-body { padding: 28px; }

/* 第一步布局 */
.upload-body {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 28px;
  align-items: start;
}
.pattern-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-card);
}
.pattern-art { display: block; width: 100%; height: auto; }
.pattern-meta {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--line);
}
.pattern-meta b { font-family: var(--serif); font-size: 15.5px; color: var(--blue-900); }
.pattern-meta span { font-size: 12.5px; color: var(--muted); }

.chain-panel { display: flex; flex-direction: column; gap: 18px; }
.btn-sm { padding: 11px 26px; font-size: 14px; align-self: flex-start; }

.chain-list { display: flex; flex-direction: column; gap: 10px; }
.chain-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  color: var(--muted);
  padding: 12px 16px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: var(--blue-mist);
  opacity: 0.55;
  transition: opacity 0.4s, border-color 0.4s, background 0.4s;
}
.chain-list li i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
  flex-shrink: 0;
  transition: background 0.4s, box-shadow 0.4s;
}
.chain-list li .ok { margin-left: auto; color: transparent; font-weight: 700; transition: color 0.4s; }
.chain-list li.done {
  opacity: 1;
  border-color: #bfe3c8;
  background: #f2faf4;
  color: var(--ink);
}
.chain-list li.done i { background: #2e9e52; box-shadow: 0 0 8px rgba(46, 158, 82, 0.5); }
.chain-list li.done .ok { color: #2e9e52; }

.cert-card {
  border: 1.5px solid #e3cf9e;
  border-radius: 14px;
  background: linear-gradient(160deg, #fffdf6, #faf3e3);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  transform: translateY(10px) scale(0.98);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  pointer-events: none;
}
.cert-card.show { opacity: 1; transform: none; pointer-events: auto; }
.cert-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #8a6a30;
  letter-spacing: 0.06em;
}
.cert-head svg { width: 18px; height: 18px; }
.cert-hash {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 18px;
  font-weight: 600;
  color: var(--blue-800);
  letter-spacing: 0.04em;
}
.cert-foot { font-size: 12px; color: var(--muted); }

/* 第二步布局 */
.value-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 28px;
  align-items: center;
}
.score-block { display: flex; flex-direction: column; gap: 22px; }
.score-row { display: grid; grid-template-columns: 150px 1fr 44px; gap: 16px; align-items: center; }
.score-label b { display: block; font-size: 15px; font-weight: 700; color: var(--blue-900); }
.score-label span { font-size: 11.5px; color: var(--faint); }
.score-bar {
  height: 12px;
  border-radius: 999px;
  background: var(--blue-mist);
  border: 1px solid var(--line);
  overflow: hidden;
}
.score-bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-700));
  transition: width 1.2s var(--ease);
}
.demo-panel.active .score-bar i { width: var(--w); }
.score-num {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-800);
  text-align: right;
}
.score-note {
  font-size: 12.5px;
  color: var(--faint);
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.price-card {
  border: 1.5px solid #e3cf9e;
  border-radius: 16px;
  background: linear-gradient(165deg, #fffdf6, #f7efdd);
  padding: 28px 26px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 10px 30px rgba(201, 168, 106, 0.18);
}
.price-label { font-size: 13px; font-weight: 600; color: #8a6a30; letter-spacing: 0.14em; }
.price-num {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(165deg, #b98a2e, #8a6a30);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.price-sub { font-size: 12.5px; color: var(--muted); }

/* 第三步布局 */
.finance-body {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 28px;
  align-items: start;
}
.fin-products { display: flex; flex-direction: column; gap: 14px; }
.fin-product {
  text-align: left;
  padding: 20px 24px;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: var(--blue-mist);
  cursor: pointer;
  font-family: var(--sans);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.3s, background 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}
.fin-product:hover { transform: translateX(4px); }
.fin-product.active {
  border-color: var(--red);
  background: linear-gradient(160deg, #fff, #fff6f6);
  box-shadow: 0 8px 22px rgba(199, 0, 11, 0.12);
}
.fin-product b { font-family: var(--serif); font-size: 16.5px; font-weight: 700; color: var(--blue-900); }
.fin-product span { font-size: 12.5px; color: var(--muted); }

.fin-result {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-card);
}
.fin-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 13.5px;
  color: var(--muted);
  border-bottom: 1px dashed var(--line);
  padding-bottom: 10px;
}
.fin-line b { color: var(--blue-900); font-weight: 700; font-size: 14px; text-align: right; }
.fin-amount { font-family: var(--serif); font-size: 24px !important; color: var(--red) !important; }
.loan-done {
  display: none;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: #1e7c43;
  background: #f0faf3;
  border: 1px solid #bfe3c8;
  border-radius: 10px;
  padding: 12px 16px;
}
.loan-done.show { display: flex; animation: fadeUp 0.5s var(--ease); }
.loan-done svg { width: 20px; height: 20px; flex-shrink: 0; }

.demo-note {
  margin-top: 20px;
  text-align: center;
  font-size: 12.5px;
  color: var(--faint);
}

@media (max-width: 960px) {
  .demo-shell { grid-template-columns: 1fr; }
  .demo-steps { flex-direction: row; }
  .demo-step { flex: 1; flex-direction: column; text-align: center; gap: 10px; padding: 16px 10px; }
  .upload-body, .value-body, .finance-body { grid-template-columns: 1fr; }
  .pattern-card { max-width: 320px; margin: 0 auto; }
  .price-card { max-width: 360px; margin: 0 auto; }
  .score-row { grid-template-columns: 110px 1fr 40px; gap: 10px; }
}
@media (max-width: 640px) {
  .demo-steps { flex-direction: column; }
  .demo-step { flex-direction: row; text-align: left; }
  .dp-body { padding: 20px; }
}

/* ============ 焦点可访问性 ============ */
a:focus-visible,
button:focus-visible {
  outline: 2.5px solid var(--red);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ============ 入场动画（JS 就绪后才启用隐藏态） ============ */

html.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
html.js .reveal.in { opacity: 1; transform: none; }

/* ============ 响应式 ============ */

@media (max-width: 1080px) {
  .loop-node { width: 138px; }
  .module-card { flex-basis: 320px; }
}

@media (max-width: 960px) {
  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    padding: 18px 24px 26px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 40px rgba(11, 85, 158, 0.12);
    gap: 4px;
  }
  .nav-links.open a { padding: 13px 10px; font-size: 16px; border-bottom: 1px dashed var(--line); }
  .nav-toggle { display: flex; }

  .pain-grid { grid-template-columns: 1fr; gap: 20px; }
  .pain-vs { padding: 8px 0; }
  .pain-vs::before, .pain-vs::after { display: none; }

  .loop-flow { flex-direction: column; align-items: center; gap: 0; }
  .loop-node { width: min(420px, 100%); flex-direction: row; text-align: left; gap: 18px; padding: 20px 26px; }
  .loop-ico { margin-bottom: 0; }
  .loop-node b { font-size: 19px; }
  .loop-line {
    width: 2px;
    height: 26px;
    background: linear-gradient(180deg, var(--blue-600), var(--blue-500));
  }
  .loop-line::after {
    left: -4px; top: auto; bottom: -1px; right: auto;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 7px solid var(--blue-500);
  }

  .solution-note { grid-template-columns: 1fr 1fr; }
  .note-cell { border-top: 1px solid var(--line); }
  .note-cell:nth-child(-n+2) { border-top: none; }
  .note-cell:nth-child(odd) { border-left: none; }

  .tech-grid, .market-grid { grid-template-columns: 1fr; }

  .flow-timeline { grid-template-columns: 1fr; gap: 0; padding-top: 0; padding-left: 10px; }
  .flow-track {
    top: 30px; bottom: 30px;
    left: 36px; right: auto;
    width: 2px; height: auto;
    background: linear-gradient(180deg, var(--blue-600), var(--blue-500));
  }
  .flow-step {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 22px;
    text-align: left;
    padding: 18px 0;
    align-items: start;
  }
  .step-no { margin: 0; grid-row: span 2; }
  .flow-step h4 { margin-top: 4px; }

  .roadmap-grid { grid-template-columns: 1fr; gap: 14px; }
  .road-arrow { transform: rotate(90deg); padding: 4px 0; }

  .stats-inner { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3)::before { display: none; }
  .stat:nth-child(3) { border-top: 1px solid var(--line); }
  .stat:nth-child(4) { border-top: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .section { padding: 84px 18px; }
  .br-m { display: inline; }
  .module-card { flex-basis: 100%; }
  .module-card p { min-height: 0; }
  .solution-note { grid-template-columns: 1fr; }
  .note-cell { border-left: none; border-top: 1px solid var(--line); }
  .note-cell:first-child { border-top: none; }
  .stats-inner { grid-template-columns: 1fr; }
  .stat + .stat::before { display: none; }
  .stat + .stat { border-top: 1px solid var(--line); }
  .hero-keywords li { width: 58px; height: 58px; font-size: 15px; }
  .bars { height: 200px; }
}

/* ============ 动效偏好 ============ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html.js .reveal, .reveal { opacity: 1; transform: none; }
}
