/* ==========================================================
   宏達融資 — Master Stylesheet
   ========================================================== */

:root {
  --color-ink: #0f1724;
  --color-navy: #1a2332;
  --color-navy-soft: #2a3548;
  --color-gold: #c9a96e;
  --color-gold-deep: #a8864d;
  --color-cream: #f5f1e8;
  --color-cream-soft: #faf7f0;
  --color-white: #ffffff;
  --color-slate: #5a6578;
  --color-line: rgba(26, 35, 50, 0.08);

  --font-display: "Noto Serif TC", "Playfair Display", Georgia, serif;
  --font-body: "Noto Sans TC", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-num: "Playfair Display", Georgia, serif;

  --container: 1200px;
  --radius: 2px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-ink);
  background: var(--color-cream-soft);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 1;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Top Bar ========== */
.topbar {
  background: var(--color-ink);
  color: rgba(255,255,255,0.75);
  font-size: 12px;
  padding: 8px 0;
  letter-spacing: 0.05em;
}
.topbar-inner {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.topbar-info { display: flex; gap: 20px; flex-wrap: wrap; }
.topbar-info span { display: flex; align-items: center; gap: 6px; }
.topbar-info .dot { color: var(--color-gold); }

/* ========== Header ========== */
header.main-header {
  border-bottom: 1px solid var(--color-line);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(255,255,255,0.92);
}
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  display: flex; align-items: baseline; gap: 8px;
}
.logo-mark {
  width: 8px; height: 8px;
  background: var(--color-gold);
  display: inline-block;
  transform: rotate(45deg);
}
.nav-links { display: flex; gap: 36px; }
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-slate);
  transition: color .2s;
  position: relative;
}
.nav-links a:hover { color: var(--color-ink); }
.nav-links a.active { color: var(--color-ink); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -6px; left: 0;
  width: 0; height: 1px; background: var(--color-gold);
  transition: width .3s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-ink);
  transition: all .3s ease;
}
.mobile-nav {
  display: none;
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  padding: 20px 0;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 12px 24px;
  font-size: 15px;
  border-bottom: 1px solid var(--color-line);
}
.mobile-nav a:last-child { border: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  font-size: 14px; font-weight: 500;
  letter-spacing: 0.05em;
  transition: all .3s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--color-ink); color: var(--color-white); }
.btn-primary:hover {
  background: var(--color-navy-soft);
  transform: translateY(-1px);
  box-shadow: 0 10px 30px -10px rgba(26,35,50,0.4);
}
.btn-ghost { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.btn-ghost:hover { background: var(--color-ink); color: var(--color-white); }
.btn-gold { background: var(--color-gold); color: var(--color-ink); }
.btn-gold:hover { background: var(--color-gold-deep); color: var(--color-white); }
.btn-large { padding: 16px 32px; font-size: 15px; }

/* ========== Typography ========== */
.eyebrow {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--color-gold-deep);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--color-gold);
}
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--color-ink); }
.accent { color: var(--color-gold-deep); font-style: italic; font-weight: 500; }

section { padding: 100px 0; position: relative; }
@media (max-width: 720px) { section { padding: 70px 0; } }

.section-head { margin-bottom: 64px; max-width: 720px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 {
  font-weight: 700;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.section-head p { margin-top: 20px; font-size: 16px; color: var(--color-slate); }

/* ========== Page Header (for inner pages) ========== */
.page-header {
  background: var(--color-ink);
  color: var(--color-white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201,169,110,0.15), transparent 70%);
  pointer-events: none;
}
.page-header .eyebrow { color: var(--color-gold); }
.page-header h1 {
  font-weight: 700;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--color-white);
}
.page-header .lead {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  max-width: 640px;
  line-height: 1.8;
}
.breadcrumb {
  margin-bottom: 32px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}
.breadcrumb a { color: var(--color-gold); }

/* ========== Hero ========== */
.hero {
  padding: 100px 0 120px;
  background: var(--color-cream-soft);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201,169,110,0.12), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 60px 0 80px; }
}
h1.hero-title {
  font-weight: 700;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.hero-lead {
  font-size: 17px;
  color: var(--color-slate);
  margin-bottom: 36px;
  max-width: 480px;
  line-height: 1.8;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-card {
  background: var(--color-white);
  padding: 40px;
  box-shadow: 0 30px 80px -20px rgba(26,35,50,0.15);
  border-top: 3px solid var(--color-gold);
}
.hero-card h3 {
  font-size: 20px; margin-bottom: 24px;
}
.rate-big {
  font-family: var(--font-num);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}
.rate-big sup {
  font-size: 28px;
  color: var(--color-gold-deep);
  font-weight: 400;
  margin-left: 4px;
}
.rate-label {
  font-size: 13px;
  color: var(--color-slate);
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}
.rate-list {
  list-style: none;
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
}
.rate-list li {
  display: flex; justify-content: space-between;
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--color-line);
}
.rate-list li:last-child { border: none; }
.rate-list strong { font-weight: 500; }

/* ========== Stats ========== */
.stats {
  background: var(--color-ink);
  color: var(--color-white);
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
@media (max-width: 720px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; } }
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-num);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num sup {
  font-size: 0.5em;
  font-weight: 400;
  margin-left: 4px;
  color: rgba(201,169,110,0.7);
}
.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.1em;
}

/* ========== Products Grid ========== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
@media (max-width: 980px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .products-grid { grid-template-columns: 1fr; } }

.product-card {
  background: var(--color-white);
  padding: 40px 32px;
  transition: all .4s ease;
  position: relative;
  overflow: hidden;
  display: block;
}
.product-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.product-card:hover {
  background: var(--color-cream-soft);
  transform: translateY(-4px);
}
.product-card:hover::before { transform: scaleX(1); }
.product-num {
  font-family: var(--font-num);
  font-style: italic;
  font-size: 16px;
  color: var(--color-gold-deep);
  margin-bottom: 20px;
}
.product-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 14px;
}
.product-card p {
  font-size: 14px;
  color: var(--color-slate);
  margin-bottom: 24px;
  line-height: 1.8;
}
.product-meta {
  border-top: 1px solid var(--color-line);
  padding-top: 16px;
  font-size: 13px;
  color: var(--color-slate);
}
.product-meta strong {
  display: block;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink);
  margin-top: 4px;
}

/* ========== Calculator ========== */
.calc-section { background: var(--color-cream); }
.calc-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 860px) { .calc-wrap { grid-template-columns: 1fr; gap: 40px; } }
.calc-form {
  background: var(--color-white);
  padding: 48px;
  border-top: 3px solid var(--color-gold);
}
@media (max-width: 520px) { .calc-form { padding: 32px 24px; } }
.form-group { margin-bottom: 28px; }
.form-group label {
  display: flex; justify-content: space-between;
  font-size: 13px;
  color: var(--color-slate);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.form-group label strong {
  color: var(--color-ink);
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 700;
}
.form-group input[type="range"] {
  width: 100%;
  -webkit-appearance: none; appearance: none;
  height: 2px;
  background: var(--color-line);
  outline: none;
}
.form-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px;
  background: var(--color-ink);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 1px var(--color-ink);
  cursor: pointer;
  border-radius: 50%;
}
.form-group input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  background: var(--color-ink);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 1px var(--color-ink);
  cursor: pointer;
  border-radius: 50%;
}
.form-group select, .form-group input[type="text"], .form-group input[type="tel"], .form-group input[type="email"], .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-line);
  background: var(--color-white);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.form-group select:focus, .form-group input:focus, .form-group textarea:focus { border-color: var(--color-gold); }
.form-group textarea { min-height: 100px; resize: vertical; }

.calc-result { padding: 20px 0; }
.result-main {
  font-family: var(--font-num);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}
.result-main small { font-size: 18px; color: var(--color-slate); font-weight: 400; margin-left: 8px; }
.result-label { font-size: 13px; color: var(--color-slate); letter-spacing: 0.05em; margin-bottom: 32px; }
.result-breakdown {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 28px;
}
.result-breakdown div { font-size: 13px; color: var(--color-slate); }
.result-breakdown strong {
  display: block;
  font-family: var(--font-num);
  font-size: 22px; font-weight: 700;
  color: var(--color-ink);
  margin-top: 4px;
}
.calc-note {
  font-size: 12px;
  color: var(--color-slate);
  line-height: 1.7;
  padding: 16px;
  background: var(--color-cream);
  border-left: 2px solid var(--color-gold);
}

/* ========== Why Us ========== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
@media (max-width: 860px) { .why-grid { grid-template-columns: 1fr; gap: 40px; } }
.why-item {
  padding-top: 28px;
  border-top: 1px solid var(--color-ink);
  position: relative;
}
.why-item::before {
  content: ''; position: absolute; top: -1px; left: 0;
  width: 40px; height: 3px;
  background: var(--color-gold);
}
.why-num {
  font-family: var(--font-num);
  font-style: italic;
  font-size: 14px;
  color: var(--color-gold-deep);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.why-item h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
}
.why-item p {
  font-size: 15px;
  color: var(--color-slate);
  line-height: 1.8;
}

/* ========== Process ========== */
.process-section {
  background: var(--color-ink);
  color: var(--color-white);
}
.process-section h2, .process-section h3 { color: var(--color-white); }
.process-section .section-head p { color: rgba(255,255,255,0.7); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
@media (max-width: 820px) { .process-grid { grid-template-columns: repeat(2, 1fr); gap: 48px; } }
.process-step { position: relative; }
.process-step::before {
  content: ''; position: absolute;
  top: 20px; right: -20px;
  width: 20px; height: 1px;
  background: rgba(201,169,110,0.3);
}
.process-step:last-child::before { display: none; }
@media (max-width: 820px) { .process-step::before { display: none; } }
.step-num {
  font-family: var(--font-num);
  font-style: italic;
  font-size: 48px;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 20px;
}
.process-step h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.process-step p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
}

/* ========== FAQ ========== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-q {
  width: 100%;
  text-align: left;
  padding: 28px 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px;
  transition: color .2s;
}
.faq-q:hover { color: var(--color-gold-deep); }
.faq-q .icon {
  width: 24px; height: 24px;
  position: relative;
  flex-shrink: 0;
}
.faq-q .icon::before, .faq-q .icon::after {
  content: ''; position: absolute;
  background: var(--color-ink);
  transition: transform .3s ease;
}
.faq-q .icon::before {
  top: 50%; left: 0; width: 100%; height: 1px;
  transform: translateY(-50%);
}
.faq-q .icon::after {
  top: 0; left: 50%; width: 1px; height: 100%;
  transform: translateX(-50%);
}
.faq-item.open .faq-q .icon::after { transform: translateX(-50%) rotate(90deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a-inner {
  padding: 0 0 28px;
  font-size: 15px;
  color: var(--color-slate);
  line-height: 1.9;
  max-width: 720px;
}

/* ========== CTA ========== */
.cta-section {
  background: var(--color-cream);
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  bottom: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(201,169,110,0.15), transparent 70%);
  pointer-events: none;
}
.cta-section h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  line-height: 1.3;
}
.cta-section p {
  font-size: 17px;
  color: var(--color-slate);
  max-width: 560px;
  margin: 0 auto 40px;
  position: relative;
}
.cta-buttons {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  position: relative;
}

/* ========== Footer ========== */
footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 32px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
footer h4 {
  color: var(--color-white);
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 600;
}
footer ul { list-style: none; }
footer ul li { margin-bottom: 10px; }
footer ul a { transition: color .2s; }
footer ul a:hover { color: var(--color-gold); }
.footer-company { margin-bottom: 20px; line-height: 1.9; }
.footer-company strong {
  display: block;
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.legal-notice {
  margin-top: 20px;
  padding: 16px;
  background: rgba(255,255,255,0.03);
  border-left: 2px solid var(--color-gold);
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
}
.footer-bottom {
  padding-top: 32px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* ========== Floating Action Buttons (right middle) ========== */
.float-actions {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.float-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: white;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  transition: all .3s ease;
  white-space: nowrap;
}
.float-btn:hover {
  transform: translateX(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}
.float-btn svg { width: 20px; height: 20px; flex-shrink: 0; }
.float-btn-line { background: #06C755; }
.float-btn-line:hover { box-shadow: 0 12px 32px rgba(6,199,85,0.4); }
.float-btn-phone { background: var(--color-ink); }
.float-btn-phone:hover { box-shadow: 0 12px 32px rgba(26,35,50,0.4); }

/* Hide old .line-float if any */
.line-float { display: none !important; }

@media (max-width: 520px) {
  .float-actions {
    right: 12px;
    gap: 10px;
  }
  .float-btn {
    padding: 12px 16px;
    font-size: 13px;
  }
  .float-btn svg { width: 18px; height: 18px; }
}

/* ========== Article / Blog ========== */
.article {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--color-ink);
}
.article h2 {
  font-size: 32px;
  font-weight: 700;
  margin: 64px 0 24px;
  line-height: 1.3;
}
.article h2:first-child { margin-top: 0; }
.article h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 40px 0 16px;
}
.article p { margin-bottom: 20px; color: var(--color-slate); }
.article ul, .article ol { margin: 0 0 24px 24px; color: var(--color-slate); }
.article li { margin-bottom: 10px; }
.article strong { color: var(--color-ink); font-weight: 600; }
.article .callout {
  background: var(--color-cream);
  border-left: 3px solid var(--color-gold);
  padding: 24px 28px;
  margin: 32px 0;
  font-size: 15px;
}
.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}
.article th {
  background: var(--color-ink);
  color: var(--color-white);
  padding: 14px;
  text-align: left;
  font-weight: 600;
}
.article td {
  padding: 14px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-slate);
}
.article tbody tr:hover { background: var(--color-cream-soft); }
.article a { color: var(--color-gold-deep); text-decoration: underline; }
.article a:hover { color: var(--color-ink); }

.article-meta {
  display: flex; gap: 24px; font-size: 13px; color: var(--color-slate);
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}
.article-meta span:not(:last-child)::after {
  content: '·'; margin-left: 24px;
}

/* ========== Blog Grid ========== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 860px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: 32px;
  transition: all .3s ease;
  display: block;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px -20px rgba(26,35,50,0.15);
}
.blog-card .tag {
  display: inline-block;
  font-family: var(--font-num);
  font-style: italic;
  font-size: 13px;
  color: var(--color-gold-deep);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}
.blog-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}
.blog-card p {
  font-size: 14px;
  color: var(--color-slate);
  line-height: 1.7;
  margin-bottom: 20px;
}
.blog-card .read-more {
  font-size: 13px;
  color: var(--color-ink);
  font-weight: 500;
  letter-spacing: 0.1em;
}

/* ========== Feature List ========== */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 40px;
}
@media (max-width: 720px) { .feature-list { grid-template-columns: 1fr; } }
.feature-item {
  padding: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-gold);
}
.feature-item h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}
.feature-item p {
  font-size: 14px;
  color: var(--color-slate);
  line-height: 1.7;
}

/* ========== Animations ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-inner > *, .page-header > .container > * { animation: fadeUp .8s ease-out both; }
.hero-inner > *:nth-child(2) { animation-delay: .2s; }

/* ==========================================================
   MOBILE RESPONSIVE — 全面手機優化
   ========================================================== */

/* ===== Tables：手機可橫滑 ===== */
.article table,
section table {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: nowrap;
}
@media (max-width: 720px) {
  .article table,
  section table {
    font-size: 13px;
  }
  .article th,
  .article td,
  section th,
  section td {
    padding: 10px 12px !important;
  }
}

/* ===== 平板 (max-width: 860px) ===== */
@media (max-width: 860px) {
  .container { padding: 0 20px; }

  /* Topbar */
  .topbar { font-size: 11px; padding: 6px 0; }
  .topbar-inner { justify-content: center; text-align: center; }
  .topbar-info { justify-content: center; gap: 12px; }

  /* Header */
  .nav { padding: 16px 0; }
  .logo { font-size: 19px; }
  .btn.btn-primary { font-size: 13px; padding: 10px 16px; }

  /* Hero */
  .hero { padding: 48px 0 60px; }
  h1.hero-title { font-size: 32px; margin-bottom: 20px; }
  .hero-lead { font-size: 15px; margin-bottom: 24px; }
  .hero-card { padding: 28px 24px; }
  .rate-big { font-size: 52px; }
  .rate-big sup { font-size: 22px; }

  /* Page Header */
  .page-header { padding: 64px 0 56px; }
  .page-header h1 { font-size: 30px; }
  .page-header .lead { font-size: 15px; }

  /* Stats */
  .stats { padding: 40px 0; }
  .stat-num { font-size: 36px; }

  /* Section headings */
  .section-head h2 { font-size: 28px; }
  .section-head { margin-bottom: 40px; }

  /* CTA */
  .cta-section { padding: 80px 0; }
  .cta-section h2 { font-size: 28px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* Why Grid */
  .why-item h3 { font-size: 20px; }

  /* Process */
  .step-num { font-size: 36px; }

  /* Calculator */
  .calc-result .result-main { font-size: 42px; }
  .result-breakdown { gap: 12px; }
  .result-breakdown strong { font-size: 18px; }

  /* Contact page inline grids */
  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
}

/* ===== 手機 (max-width: 520px) ===== */
@media (max-width: 520px) {
  :root { --container: 100%; }
  .container { padding: 0 16px; }
  section { padding: 56px 0; }

  /* Topbar：手機隱藏次要資訊 */
  .topbar-info:last-child { display: none; }
  .topbar { padding: 6px 0; }

  /* Header */
  .nav { padding: 14px 0; }
  .logo { font-size: 17px; }
  .logo-mark { width: 6px; height: 6px; }
  .btn.btn-primary { display: none; }
  .nav-toggle { display: flex !important; }

  /* Mobile nav */
  .mobile-nav a { padding: 14px 16px; font-size: 14px; }

  /* Hero */
  .hero { padding: 36px 0 48px; }
  h1.hero-title { font-size: 26px; line-height: 1.3; }
  .hero-lead { font-size: 14px; line-height: 1.7; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; text-align: center; }
  .hero-card { padding: 24px 20px; }
  .rate-big { font-size: 44px; }
  .rate-big sup { font-size: 18px; }
  .rate-list li { font-size: 13px; padding: 8px 0; }

  /* Page Header */
  .page-header { padding: 48px 0 40px; }
  .page-header h1 { font-size: 24px; line-height: 1.35; }
  .page-header .lead { font-size: 14px; line-height: 1.7; }
  .breadcrumb { font-size: 12px; margin-bottom: 20px; }
  .eyebrow { font-size: 12px; margin-bottom: 16px; }

  /* Stats */
  .stats { padding: 32px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-num { font-size: 30px; }
  .stat-num sup { font-size: 14px; }
  .stat-label { font-size: 11px; }

  /* Section */
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 24px; }
  .section-head p { font-size: 14px; }

  /* Products Grid */
  .products-grid { gap: 0; border: none; }
  .product-card { padding: 28px 20px; border-bottom: 1px solid var(--color-line); }
  .product-card h3 { font-size: 19px; }
  .product-card p { font-size: 13px; }
  .product-num { font-size: 14px; }
  .product-meta { font-size: 12px; }
  .product-meta strong { font-size: 18px; }

  /* Calculator */
  .calc-form { padding: 24px 16px; }
  .calc-result .result-main { font-size: 36px; }
  .calc-result .result-main small { font-size: 14px; }
  .result-label { font-size: 12px; }
  .result-breakdown { grid-template-columns: 1fr; gap: 16px; }
  .result-breakdown strong { font-size: 17px; }
  .calc-note { font-size: 11px; padding: 12px; }
  .form-group label { font-size: 12px; }
  .form-group label strong { font-size: 14px; }
  .form-group select,
  .form-group input[type="text"],
  .form-group input[type="tel"],
  .form-group input[type="email"],
  .form-group textarea {
    font-size: 16px; /* 防止 iOS 縮放 */
    padding: 14px 12px;
  }

  /* Why Us */
  .why-grid { gap: 32px; }
  .why-item { padding-top: 20px; }
  .why-item h3 { font-size: 19px; margin-bottom: 10px; }
  .why-item p { font-size: 14px; }
  .why-num { font-size: 12px; }

  /* Process */
  .process-section { padding: 56px 0; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .step-num { font-size: 32px; margin-bottom: 12px; }
  .process-step h3 { font-size: 16px; margin-bottom: 8px; }
  .process-step p { font-size: 13px; }

  /* FAQ */
  .faq-q { font-size: 15px; padding: 20px 0; gap: 12px; }
  .faq-q .icon { width: 20px; height: 20px; }
  .faq-a-inner { font-size: 14px; padding-bottom: 20px; }

  /* CTA */
  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 24px; }
  .cta-section p { font-size: 14px; margin-bottom: 28px; }
  .cta-buttons .btn { padding: 14px 20px; font-size: 14px; }

  /* Feature List */
  .feature-list { gap: 16px; margin-top: 24px; }
  .feature-item { padding: 18px 16px; }
  .feature-item h4 { font-size: 15px; }
  .feature-item p { font-size: 13px; }

  /* Blog Grid */
  .blog-grid { gap: 20px; }
  .blog-card { padding: 24px 20px; }
  .blog-card h3 { font-size: 17px; }
  .blog-card p { font-size: 13px; }

  /* Article */
  .article { font-size: 15px; padding: 0 16px; }
  .article h2 { font-size: 22px; margin: 40px 0 16px; }
  .article h3 { font-size: 18px; margin: 28px 0 12px; }
  .article p { margin-bottom: 16px; }
  .article .callout { padding: 18px 16px; font-size: 13px; margin: 24px 0; }
  .article-meta { font-size: 11px; gap: 8px; flex-wrap: wrap; }
  .article-meta span:not(:last-child)::after { margin-left: 8px; }

  /* Footer */
  footer { padding: 48px 0 24px; font-size: 13px; }
  footer h4 { font-size: 15px; margin-bottom: 12px; }
  .footer-company strong { font-size: 17px; }
  .footer-grid { gap: 28px; padding-bottom: 28px; }
  .footer-bottom { font-size: 11px; flex-direction: column; gap: 8px; text-align: center; }
  .legal-notice { font-size: 11px; padding: 12px; margin-top: 16px; }

  /* LINE Float */
  .line-float {
    bottom: 16px;
    right: 16px;
    padding: 12px 18px;
    font-size: 13px;
    border-radius: 40px;
  }
  .line-float svg { width: 18px; height: 18px; }

  /* Buttons */
  .btn { padding: 12px 20px; font-size: 13px; }
  .btn-large { padding: 14px 24px; font-size: 14px; }
  .btn-ghost { padding: 12px 20px; }

  /* Contact page info cards */
  [style*="font-size: 32px"] { font-size: 24px !important; }
  [style*="font-size: 26px"] { font-size: 22px !important; }

  /* Inline grid overrides for inner pages */
  [style*="display: grid"] {
    display: block !important;
  }
  [style*="display: grid"] > div {
    margin-bottom: 24px;
  }
}

/* ===== 超小螢幕 (max-width: 360px) ===== */
@media (max-width: 360px) {
  .container { padding: 0 12px; }
  h1.hero-title { font-size: 22px; }
  .page-header h1 { font-size: 21px; }
  .rate-big { font-size: 36px; }
  .section-head h2 { font-size: 21px; }
  .cta-section h2 { font-size: 21px; }
  .stat-num { font-size: 26px; }
  .calc-result .result-main { font-size: 30px; }
  .process-grid { grid-template-columns: 1fr; }
}

/* ===== iOS Safari 安全區域 ===== */
@supports(padding: max(0px)) {
  .line-float {
    right: max(12px, env(safe-area-inset-right));
    right: max(12px, env(safe-area-inset-right));
  }
  footer {
    padding-bottom: max(24px, env(safe-area-inset-bottom));
  }
}

/* ===== Touch 優化 ===== */
@media (hover: none) and (pointer: coarse) {
  .product-card:hover { transform: none; }
  .blog-card:hover { transform: none; box-shadow: none; }
  .btn:hover { transform: none; }
  .nav-links a::after { display: none; }

  /* 加大觸控目標 */
  .faq-q { min-height: 52px; }
  footer ul li { margin-bottom: 14px; }
  footer ul a { padding: 4px 0; display: inline-block; }
  .mobile-nav a { min-height: 48px; display: flex; align-items: center; }
}