/* ============================================================
   沙淘金 GEO 营销站 · 亮色科技风样式
   清晰字体：Plus Jakarta Sans + Noto Sans SC
   ============================================================ */

/* ---------- RESET ---------- */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}

:root {
  /* background */
  --bg: #FAFBFD;
  --bg-2: #F1F5F9;
  --surface: #FFFFFF;

  /* brand */
  --primary: #0055FF;
  --primary-2: #003FCF;
  --primary-soft: #E8F2FF;
  --cyan: #00A3FF;
  --cyan-soft: #E0F5FF;
  --accent: #FF7A00;
  --accent-soft: #FFF1E6;

  /* text */
  --heading: #0B1220;
  --body: #475569;
  --muted: #64748B;
  --light: #94A3B8;

  /* border / shadow */
  --border: #E2E8F0;
  --border-2: #CBD5E1;
  --shadow: 0 4px 24px rgba(11,18,32,0.06);
  --shadow-lg: 0 16px 48px rgba(11,18,32,0.10);

  /* font */
  --font: 'Plus Jakarta Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: var(--font);

  /* sizing */
  --max: 1200px;
  --radius: 18px;
  --radius-sm: 10px;
}

html {
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-2); }

img { max-width: 100%; height: auto; display: block; }

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5 { color: var(--heading); line-height: 1.3; font-weight: 700; }
h1 { font-size: clamp(38px, 5vw, 64px); letter-spacing: -0.03em; }
h2 { font-size: clamp(28px, 3.4vw, 42px); letter-spacing: -0.02em; }
h3 { font-size: clamp(20px, 2.2vw, 26px); }
h4 { font-size: 18px; }

p { color: var(--body); max-width: 680px; }

.font-mono { font-family: var(--font); font-variant-numeric: tabular-nums; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font); font-variant-numeric: tabular-nums; font-size: 13px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 16px;
}
.eyebrow::before {
  content: ''; width: 24px; height: 2px; background: var(--primary); display: inline-block;
}

.lead {
  font-size: clamp(16px, 1.8vw, 19px); color: var(--body); line-height: 1.7;
}

/* ---------- LAYOUT ---------- */
.wrap {
  max-width: var(--max); margin: 0 auto; padding: 0 24px;
}

section { padding: 90px 0; position: relative; }
main > section:nth-of-type(odd) { background: transparent; }
main > section:nth-of-type(even) { background: var(--surface); }
@media (max-width: 768px) { section { padding: 60px 0; } }

.sec-head { margin-bottom: 56px; max-width: 760px; }
.sec-head h2 { margin-bottom: 16px; }
.sec-head .accent { color: var(--primary); }

/* ---------- BACKGROUND DECOR ---------- */
.bg-glow {
  position: fixed; inset: 0; z-index: -4; pointer-events: none;
  background:
    radial-gradient(ellipse 600px 420px at 88% -8%, rgba(0,85,255,0.14), transparent 70%),
    radial-gradient(ellipse 520px 320px at 8% 28%, rgba(0,163,255,0.09), transparent 70%),
    radial-gradient(ellipse 420px 320px at 92% 88%, rgba(255,122,0,0.07), transparent 70%),
    radial-gradient(ellipse 900px 560px at 50% 45%, rgba(0,85,255,0.025), transparent 80%);
}
.bg-grid {
  position: fixed; inset: 0; z-index: -3; pointer-events: none;
  background-image: radial-gradient(rgba(0,85,255,0.055) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, transparent 75%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, transparent 75%);
}
.bg-lines {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(90deg, transparent 0, transparent calc(25% - 0.5px), rgba(0,85,255,0.035) calc(25% - 0.5px), rgba(0,85,255,0.035) calc(25% + 0.5px), transparent calc(25% + 0.5px)),
    linear-gradient(90deg, transparent 0, transparent calc(75% - 0.5px), rgba(0,85,255,0.035) calc(75% - 0.5px), rgba(0,85,255,0.035) calc(75% + 0.5px), transparent calc(75% + 0.5px));
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.6) 30%, rgba(0,0,0,0.6) 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.6) 30%, rgba(0,0,0,0.6) 70%, transparent 100%);
}
.bg-noise {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- HEADER ---------- */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250,251,253,0.96);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}
header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 1px 12px rgba(11, 18, 32, 0.04);
}
header .nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--heading); text-decoration: none;
}
.brand-icon { width: 40px; height: 40px; display: block; }
.brand-text { display: flex; flex-direction: column; gap: 4px; line-height: 1.15; padding: 5px 0; }
.brand-cn { font-size: 19px; font-weight: 800; color: var(--heading); }
.brand-en { font-size: 11px; font-weight: 700; color: var(--muted); letter-spacing: 0.06em; }
.foot-brand .brand-icon { width: 32px; height: 32px; }
.foot-brand .brand-cn { font-size: 16px; }
.foot-brand .brand-en { font-size: 10px; }

.nav-links {
  display: flex; gap: 34px; align-items: center;
}
.nav-links a {
  font-size: 15px; font-weight: 600; color: var(--body);
  position: relative; padding: 6px 0;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--primary); transition: width .25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-links .nav-cta {
  padding: 11px 28px; border-radius: 10px;
  background: var(--primary); color: #fff !important;
  font-weight: 700; font-size: 15px;
  transition: all .2s;
}
.nav-links .nav-cta:hover { background: var(--primary-2); color: #fff !important; box-shadow: 0 6px 24px rgba(0,85,255,0.28); }
.nav-links .nav-cta::after { display: none !important; }

.menu-btn { display: none; background: none; border: none; color: var(--heading); font-size: 26px; cursor: pointer; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: flex-start;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 24px; gap: 16px; box-shadow: var(--shadow-lg);
  }
  .menu-btn { display: block; }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 10px;
  font-weight: 700; font-size: 15px;
  cursor: pointer; border: none; transition: all .2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-2); color: #fff; box-shadow: 0 8px 28px rgba(0,85,255,0.32); transform: translateY(-1px); }
.btn-secondary { background: var(--primary-soft); color: var(--primary); }
.btn-secondary:hover { background: var(--primary); color: #fff; }
.btn-ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-soft); color: var(--primary); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center;
  padding-top: 72px; padding-bottom: 60px;
  position: relative; overflow: hidden;
}
/* Hide scrollbar on index page for clean full-screen hero */
html:has(.scroll-hint) {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
html:has(.scroll-hint)::-webkit-scrollbar {
  width: 0; height: 0; display: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.hero .tag {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--primary-soft); color: var(--primary);
  padding: 8px 18px; border-radius: 999px; font-size: 14px;
  font-weight: 700; margin-bottom: 28px;
}
.hero .tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }

.hero h1 { margin-bottom: 24px; }
.hero h1 .accent {
  background: linear-gradient(120deg, var(--primary), var(--cyan));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 19px); color: var(--body);
  margin-bottom: 36px; max-width: 540px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* Scroll hint — full-screen hero snap indicator */
.scroll-hint {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  background: none; border: none; cursor: pointer;
  z-index: 10; padding: 0;
  color: var(--muted);
}
.scroll-hint-inner {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  animation: hintBounce 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
.scroll-hint-text {
  font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; opacity: 0.7;
  transition: opacity 0.3s, color 0.3s;
}
.scroll-hint-arrow {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1.5px solid currentColor;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.scroll-hint-arrow svg { width: 18px; height: 18px; }
.scroll-hint:hover { color: var(--primary); }
.scroll-hint:hover .scroll-hint-arrow {
  background: var(--primary); color: #fff;
  border-color: var(--primary);
  box-shadow: 0 6px 20px rgba(0, 85, 255, 0.3);
}
.scroll-hint:hover .scroll-hint-text { opacity: 1; }

@keyframes hintBounce {
  0%, 100% { transform: translateY(0); opacity: 0.55; }
  50% { transform: translateY(10px); opacity: 1; }
}

@media (max-width: 600px) {
  .scroll-hint { bottom: 20px; }
  .scroll-hint-arrow { width: 32px; height: 32px; }
  .scroll-hint-arrow svg { width: 16px; height: 16px; }
}

/* Hero credential bar — visual weight stats strip */
.hero-creds {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: 40px; padding: 24px 0 0;
  border-top: 1px solid var(--border); gap: 0;
}
.cred {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 0 24px; border-right: 1px solid var(--border);
}
.cred:first-child { padding-left: 0; }
.cred:last-child { border-right: none; padding-right: 0; }
.cred-val {
  display: block; width: 100%;
  font-size: 24px; font-weight: 800; color: var(--heading);
  letter-spacing: -0.02em; line-height: 1.1; text-align: center;
}
.cred-label {
  display: block; width: 100%;
  font-size: 12px; color: var(--muted); font-weight: 500;
  letter-spacing: 0.04em; text-transform: uppercase; text-align: center;
}
@media (max-width: 600px) {
  .hero-creds { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
  .cred { border-right: none; padding: 0; }
  .cred:nth-child(odd) { border-right: 1px solid var(--border); padding-right: 20px; }
  .cred-val { font-size: 20px; }
}

/* Large CTA variant */
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 12px; }
.btn-primary.btn-lg { box-shadow: 0 8px 28px rgba(0,85,255,0.25); }
.btn-primary.btn-lg:hover { color: #fff; box-shadow: 0 12px 36px rgba(0,85,255,0.40); transform: translateY(-2px); }

/* Hero visual card */
.hero-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px; box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.hero-card::before {
  content: ''; position: absolute; top: -80px; right: -80px;
  width: 180px; height: 180px; border-radius: 50%;
  background: var(--primary-soft); z-index: 0;
}
.hero-card .h-title {
  font-family: var(--font); font-variant-numeric: tabular-nums; font-size: 12px; color: var(--light); letter-spacing: 0.15em;
  margin-bottom: 20px; position: relative; z-index: 1;
}
.qa-item { margin-bottom: 18px; position: relative; z-index: 1; }
.qa-item .q { color: var(--heading); font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.qa-item .q::before {
  content: '我 · ';
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}
.qa-item .a { color: var(--body); font-size: 14px; }
.qa-item .a::before {
  content: '豆包 · ';
  color: var(--primary);
  font-weight: 700;
  font-size: 13px;
}
.qa-item .a .hl { color: var(--primary); font-weight: 700; }
.qa-item .a .cite { font-size: 12px; color: var(--light); margin-top: 4px; display: block; }

/* ---------- CARDS ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow); transition: all .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--border-2); }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font); font-weight: 800; font-size: 20px;
  margin-bottom: 20px;
}
.card .icon.cyan { background: var(--cyan-soft); color: var(--cyan); }
.card .icon.blue { background: var(--primary-soft); color: var(--primary); }
.card .icon.orange { background: var(--accent-soft); color: var(--accent); }
.card h3 { margin-bottom: 10px; font-size: 20px; }
.card p { font-size: 15px; }

/* ---------- TREND COMPARISON ---------- */
.trend-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 768px) { .trend-grid { grid-template-columns: 1fr; } }
.trend-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px; box-shadow: var(--shadow);
}
.trend-card .era {
  font-family: var(--font); font-variant-numeric: tabular-nums; font-size: 12px; letter-spacing: 0.15em;
  color: var(--light); margin-bottom: 12px;
}
.trend-card h3 { margin-bottom: 16px; }
.trend-card .big {
  font-size: 38px; font-weight: 800; color: var(--primary); margin-bottom: 12px;
}
.trend-card.old .big { color: var(--light); }
.trend-list { list-style: none; }
.trend-list li {
  padding: 8px 0 8px 24px; position: relative; font-size: 15px;
}
.trend-list li::before {
  content: '›'; position: absolute; left: 0; color: var(--primary); font-size: 20px; line-height: 1;
}

/* ---------- TABLES ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
.compare-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.compare-table th, .compare-table td { padding: 16px 18px; border-bottom: 1px solid var(--border); text-align: left; }
.compare-table th { font-size: 13px; letter-spacing: 0.05em; color: var(--muted); background: var(--bg-2); }
.compare-table th:nth-child(2) { color: var(--light); }
.compare-table th:nth-child(3) { color: var(--primary); }
.compare-table td { color: var(--body); }
.compare-table td strong { color: var(--heading); }
.compare-table tr:last-child td { border-bottom: none; }

/* ---------- METRICS ---------- */
.metrics-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
.metric {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 24px; text-align: center;
  transition: all .35s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative; overflow: hidden;
}
.metric::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.metric:hover {
  border-color: rgba(0, 85, 255, 0.2);
  box-shadow: 0 12px 32px rgba(0, 85, 255, 0.08);
  transform: translateY(-4px);
}
.metric:hover::before { transform: scaleX(1); }
.metric .val {
  font-size: clamp(26px, 3vw, 34px); font-weight: 800;
  color: var(--heading); margin-bottom: 8px; line-height: 1.2;
}
.metric .label {
  font-size: 12px; font-weight: 700; letter-spacing: 0.12em;
  color: var(--muted); text-transform: uppercase;
}
@media (max-width: 900px) { .metrics-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .metrics-grid { grid-template-columns: 1fr; } }

/* ---------- UTILITY CLASSES ---------- */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-40 { margin-top: 40px !important; }
.mt-48 { margin-top: 48px !important; }
.mt-64 { margin-top: 64px !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-22 { margin-bottom: 22px !important; }
.mb-48 { margin-bottom: 48px !important; }
.max-w-680 { max-width: 680px; }
.max-w-760 { max-width: 760px; }
.max-w-800 { max-width: 800px; }
.max-w-900 { max-width: 900px; }
.bg-surface { background: var(--surface); }
.bg-bg2 { background: var(--bg-2); }
.flex-center { display: flex; justify-content: center; }
.btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Utility helpers for inline-style cleanup */
.cta-section { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.eyebrow-center { justify-content: center; display: flex; }
.contact-hours { color: var(--muted); font-size: 15px; }

/* ---------- CHIPS ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); color: var(--body); font-size: 14px; font-weight: 600;
  transition: all .2s;
}
.chip:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }

/* ---------- PROCESS ---------- */
.process-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
@media (max-width: 1000px) { .process-flow { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .process-flow { grid-template-columns: 1fr; } }
.proc-step {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 28px 20px; text-align: center; transition: all .25s;
}
.proc-step:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.proc-step .n {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-soft); color: var(--primary); font-weight: 800;
  margin: 0 auto 16px;
}
.proc-step h3 { font-size: 17px; margin-bottom: 8px; }
.proc-step p { font-size: 14px; }

/* ---------- SOLUTION MODULES ---------- */
.sol-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-bottom: 48px;
}
.sol-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 22px 30px 26px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 12px rgba(11, 18, 32, 0.03);
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  overflow: hidden;
}
.sol-card::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0; width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--cyan));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.sol-card:hover {
  border-color: rgba(0, 85, 255, 0.2);
  box-shadow: 0 8px 24px rgba(0, 85, 255, 0.06), 0 2px 8px rgba(11, 18, 32, 0.03);
}
.sol-card:hover::before { transform: scaleY(1); }
.sol-card:hover .sol-icon { transform: scale(1.08); }
.sol-card:hover .sol-step { color: var(--primary); }
.sol-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.sol-icon svg { width: 24px; height: 24px; }
.sol-blue { background: var(--primary-soft); color: var(--primary); }
.sol-cyan { background: var(--cyan-soft); color: var(--cyan); }
.sol-orange { background: var(--accent-soft); color: var(--accent); }
.sol-step {
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em;
  color: var(--light); margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
  transition: color 0.35s ease;
}
.sol-card h3 {
  font-size: 17px; font-weight: 800; color: var(--heading);
  margin-bottom: 10px; line-height: 1.35;
}
.sol-card p {
  font-size: 13px; color: var(--body); line-height: 1.7;
  margin: 0 0 16px;
}
.sol-points {
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.sol-points li {
  font-size: 12px; color: var(--muted); font-weight: 500;
  padding: 4px 0 4px 16px; position: relative;
}
.sol-points li::before {
  content: ''; position: absolute; left: 0; top: 11px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary); opacity: 0.5;
}
.sol-assurance {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 36px;
  padding: 28px 0 0; border-top: 1px solid var(--border);
}
.assurance-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--body);
}
.assurance-icon {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; flex-shrink: 0;
}
.assurance-item strong { color: var(--heading); font-weight: 800; }

@media (max-width: 1100px) {
  .sol-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-assurance { gap: 20px; }
}
@media (max-width: 480px) {
  .sol-grid { grid-template-columns: 1fr; }
  .sol-assurance { flex-direction: column; align-items: flex-start; gap: 14px; }
}

/* ---------- PAIN POINTS ---------- */
.pain-list {
  display: flex; flex-direction: column; gap: 0;
  max-width: 900px; margin: 0 auto;
}
.pain-item {
  display: grid; grid-template-columns: 80px 1fr; gap: 32px;
  padding: 36px 0; border-bottom: 1px solid var(--border);
  align-items: start;
  position: relative;
}
.pain-item:first-child { padding-top: 0; }
.pain-item:last-child { border-bottom: none; padding-bottom: 0; }
.pain-item.reveal { transition: opacity .7s ease, transform .4s cubic-bezier(0.22, 1, 0.36, 1); }
.pain-item.reveal.in:hover { transform: translateX(16px); }
.pain-item:hover .pain-num { color: var(--accent); }
.pain-num {
  font-size: 52px; font-weight: 900; line-height: 1;
  color: var(--border-2); letter-spacing: -0.04em;
  transition: color 0.4s cubic-bezier(0.22, 1, 0.36, 1); font-variant-numeric: tabular-nums;
}
.pain-body h3 {
  font-size: 22px; font-weight: 800; color: var(--heading);
  margin-bottom: 10px; line-height: 1.35;
}
.pain-body p {
  font-size: 15px; color: var(--body); line-height: 1.8;
  margin: 0 0 14px;
}
.pain-body p strong { color: var(--accent); font-weight: 700; }
.pain-tag {
  display: inline-block; font-size: 12px; font-weight: 700;
  color: var(--accent); background: var(--accent-soft);
  padding: 4px 12px; border-radius: 999px; letter-spacing: 0.04em;
}
@media (max-width: 600px) {
  .pain-item { grid-template-columns: 56px 1fr; gap: 20px; padding: 28px 0; }
  .pain-item.reveal.in:hover { transform: translateX(10px); }
  .pain-num { font-size: 36px; }
  .pain-body h3 { font-size: 18px; }
  .pain-body p { font-size: 14px; }
}

/* ---------- FAQ ---------- */
.faq-list { max-width: 840px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; background: none; border: none; color: var(--heading);
  text-align: left; padding: 22px 0; font-size: 17px; font-weight: 600;
  cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q:hover { color: var(--primary); }
.faq-q .toggle { color: var(--primary); font-size: 22px; transition: transform .3s; }
.faq-item.open .faq-q .toggle { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 0 22px; color: var(--body); font-size: 15px; }

/* ---------- CERTIFICATE SHOWCASE (WHY US) ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.cert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(11, 18, 32, 0.04);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
}
.cert-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 85, 255, 0.35);
  box-shadow: 0 20px 40px rgba(0, 85, 255, 0.10), 0 2px 8px rgba(11, 18, 32, 0.04);
}
.cert-img-wrap {
  height: 230px;
  background: linear-gradient(145deg, #F8FAFD 0%, #EEF4FD 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.cert-img-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.8), transparent 75%);
  pointer-events: none;
}
.cert-img-wrap img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 6px 18px rgba(11, 18, 32, 0.12);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
  position: relative;
  z-index: 1;
}
.cert-card:hover .cert-img-wrap img {
  transform: scale(1.05) translateY(-3px);
  box-shadow: 0 14px 28px rgba(0, 85, 255, 0.20);
}
.cert-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--primary);
  background: rgba(255, 255, 255, 0.96);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 85, 255, 0.18);
  box-shadow: 0 2px 8px rgba(11, 18, 32, 0.05);
}
.cert-content {
  padding: 26px 24px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.cert-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}
.cert-no {
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font);
  font-variant-numeric: tabular-nums;
  color: var(--primary);
}
.cert-org {
  font-size: 12px;
  color: var(--muted);
}
.cert-content h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--heading);
  margin-bottom: 10px;
  line-height: 1.35;
}
.cert-content p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.7;
  margin: 0;
}
@media (max-width: 960px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .cert-card:last-child { grid-column: span 2; }
}
@media (max-width: 640px) {
  .cert-grid { grid-template-columns: 1fr; gap: 20px; }
  .cert-card:last-child { grid-column: span 1; }
  .cert-img-wrap { height: 210px; padding: 18px; }
  .cert-content { padding: 22px 18px 24px; }
}

/* ---------- WHY / ABOUT ---------- */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.why-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; transition: all .25s;
}
.why-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.why-item .icon { font-size: 26px; font-weight: 800; color: var(--primary); margin-bottom: 14px; }
.why-item h3 { font-size: 18px; margin-bottom: 8px; }
.why-item p { font-size: 14px; }

.company-intro {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 40px; box-shadow: var(--shadow); margin-bottom: 40px;
}
.company-intro p { font-size: 17px; line-height: 1.9; margin-bottom: 18px; }
.company-intro p:last-child { margin-bottom: 0; }

.honor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.honor-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 24px; text-align: center; transition: all .25s;
}
.honor-card:hover { border-color: var(--primary); }
.honor-card .icon { font-size: 34px; margin-bottom: 12px; }
.honor-card h3 { font-size: 16px; margin-bottom: 6px; }
.honor-card p { font-size: 13px; color: var(--muted); }

/* ---------- CONTACT ---------- */
.contact-cta {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 60px 48px; text-align: center; box-shadow: var(--shadow-lg);
}
.contact-cta h2 { margin-bottom: 16px; }
.contact-cta p { margin: 0 auto 32px; max-width: 560px; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; margin-top: 48px; text-align: left; }
.contact-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 26px;
  transition: all .35s cubic-bezier(0.22, 1, 0.36, 1);
}
.contact-card:hover {
  background: var(--surface);
  border-color: rgba(0, 85, 255, 0.25);
  box-shadow: 0 12px 32px rgba(0, 85, 255, 0.08);
  transform: translateY(-4px);
}
.contact-card .ctype { font-family: var(--font); font-variant-numeric: tabular-nums; font-size: 12px; color: var(--primary); letter-spacing: 0.15em; margin-bottom: 10px; }
.contact-card .cval { font-size: 17px; color: var(--heading); font-weight: 700; word-break: break-all; }
.contact-card .csub { font-size: 14px; color: var(--muted); margin-top: 6px; }

/* ---------- PAGE HERO (sub pages) ---------- */
.page-hero {
  padding-top: 140px; padding-bottom: 70px;
  background: linear-gradient(180deg, var(--primary-soft) 0%, var(--bg) 60%);
  position: relative; overflow: hidden;
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero .tag { margin-bottom: 18px; background: rgba(255,255,255,0.6); }
.page-hero .btn-group { margin-top: 32px; justify-content: flex-start; }
.page-hero .hero-creds { margin-top: 40px; }
.breadcrumb { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }

/* ---------- FOOTER ---------- */
footer { background: var(--surface); border-top: 1px solid var(--border); padding: 56px 0 28px; }
.foot-grid {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px;
  margin-bottom: 40px;
}
.foot-brand { max-width: 360px; }
.foot-brand .brand { margin-bottom: 14px; }
.foot-brand p { font-size: 14px; }
.foot-links { display: flex; gap: 56px; flex-wrap: wrap; }
.foot-col h4 { font-family: var(--font); font-variant-numeric: tabular-nums; font-size: 13px; color: var(--muted); letter-spacing: 0.12em; margin-bottom: 16px; }
.foot-col a { display: block; font-size: 14px; color: var(--body); padding: 5px 0; }
.foot-col a:hover { color: var(--primary); }
.foot-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--muted); }

/* ---------- SCROLL REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease, border-color .35s ease, box-shadow .35s ease, background .35s ease; }
.reveal.in { opacity: 1; transform: none; }
/* Faster transform transition after reveal for card hovers */
.contact-card.reveal.in, .card.reveal.in {
  transition: opacity .7s ease, transform .35s cubic-bezier(0.22, 1, 0.36, 1), border-color .35s ease, box-shadow .35s ease, background .35s ease;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; }
}