/* ─── TOKENS ─── */
:root {
  --ink:    #1a1828;
  --ink2:   #3c3a52;
  --ink3:   #6b698a;
  --ink4:   #a8a6c0;
  --bg:     #f7f6f2;
  --white:  #ffffff;
  --bd:     #e4e2da;
  --red:    #6b2d8b;
  --red2:   #8b47b0;
  --gold:   #b07d2e;
  --grn:    #1e7a50;
  --blu:    #1a4f9e;
  --cream:  #fdf8f0;
  --r:      10px;
}

/* ─── RESET ─── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}
img { display:block; max-width:100%; }
a { color: inherit; text-decoration: none; }

/* ─── UTILS ─── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 32px; }
.serif { font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif; }
.mono  { font-family: 'DM Mono', monospace; }
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: .5px;
}
.badge-red  { background: rgba(107,45,139,.1);  color: var(--red); }
.badge-grn  { background: rgba(30,122,80,.1);  color: var(--grn); }
.badge-blu  { background: rgba(26,79,158,.1);  color: var(--blu); }
.badge-gold { background: rgba(176,125,46,.1); color: var(--gold); }
.badge-ink  { background: var(--ink); color: white; }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp   { from { opacity:.2; transform:translateY(16px); } to { opacity:1; transform:none; } }
@keyframes fadeIn   { from { opacity:0; } to { opacity:1; } }
@keyframes pulse    { 0%,100%{transform:scale(1)} 50%{transform:scale(1.06)} }
@keyframes slideIn  { from { transform: translateX(100%); opacity:0; } to { transform:none; opacity:1; } }
@keyframes floatBob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }






/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  background: rgba(247,246,242,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bd);
  transition: box-shadow .2s;
}
.nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.08); }
.nav-inner {
  display: flex; align-items: center; gap: 0;
  height: 60px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  margin-right: auto;
}
.nav-logo-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 16px; font-weight: 900; color: white;
}
.nav-logo-text { font-size: 16px; font-weight: 700; color: var(--ink); }
.nav-logo-sub  { font-size: 10px; color: var(--ink3); letter-spacing: .5px; margin-top: -2px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 6px 14px; border-radius: 6px;
  font-size: 13px; color: var(--ink2);
  transition: background .15s, color .15s;
}
.nav-links a:hover { background: rgba(0,0,0,.05); color: var(--ink); }
.nav-cta {
  margin-left: 16px;
  padding: 8px 20px; border-radius: 8px;
  background: var(--red); color: white;
  font-size: 13px; font-weight: 700;
  border: none; cursor: pointer;
  transition: background .15s, transform .1s;
}
.nav-cta:hover { background: var(--red2); transform: translateY(-1px); }
.nav-phone {
  margin-left: 12px; padding: 5px 12px; border-left: 1px solid var(--bd);
  display: flex; flex-direction: column; align-items: flex-end; line-height: 1.15;
  color: var(--red); white-space: nowrap;
}
.nav-phone-label { font-size: 9px; color: var(--ink3); letter-spacing: .5px; }
.nav-phone strong { margin-top: 3px; font-size: 16px; font-family: 'DM Mono',monospace; letter-spacing: .4px; }

/* ─── HERO ─── */
.hero {
  opacity: 1;
  padding: 110px 0 72px;
  background: var(--white);
  border-bottom: 1px solid var(--bd);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 45%; height: 100%;
  background: linear-gradient(135deg, transparent 40%, #f3edf9 100%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 480px; gap: 64px; align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--red); margin-bottom: 20px;
}
.hero-eyebrow::before {
  content: ''; width: 20px; height: 2px; background: var(--red);
}
.hero h1 {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 52px; font-weight: 900; line-height: 1.15;
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--red); }
.hero-lead {
  font-size: 17px; color: var(--ink2); line-height: 1.9;
  max-width: 540px; margin-bottom: 22px;
}
.hero-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; position: relative; z-index: 10; }
.hero-phone {
  width: fit-content; margin-top: 18px; padding: 12px 16px; border-radius: 12px;
  display: flex; align-items: center; gap: 12px; position: relative; z-index: 10;
  background: #faf6fc; border: 1px solid rgba(107,45,139,.18); color: var(--red);
  transition: transform .15s, box-shadow .15s;
}
.hero-phone:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(107,45,139,.12); }
.hero-phone-icon { width: 34px; height: 34px; border-radius: 50%; display:flex; align-items:center; justify-content:center; background:var(--red); color:#fff; }
.hero-phone small { display:block; color:var(--ink3); font-size:11px; line-height:1.2; }
.hero-phone strong { display:block; margin-top:3px; font-size:22px; line-height:1.1; font-family:'DM Mono',monospace; letter-spacing:.6px; }
.hero-phone em { font-style:normal; color:var(--ink3); font-size:11px; padding-left:12px; border-left:1px solid rgba(107,45,139,.16); }
.btn-primary {
  padding: 14px 32px; border-radius: 10px;
  background: var(--red); color: white;
  font-size: 15px; position: relative; z-index: 10; font-weight: 700;
  border: none; cursor: pointer;
  transition: all .15s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { background: var(--red2); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(107,45,139,.3); }
.btn-secondary {
  padding: 14px 28px; border-radius: 10px;
  background: transparent; color: var(--ink);
  font-size: 15px; font-weight: 600;
  border: 1.5px solid var(--bd);
  position: relative; z-index: 10;
  cursor: pointer; transition: all .15s;
}
.btn-secondary:hover { border-color: var(--ink); }
.hero-trust {
  display: flex; gap: 24px; margin-top: 40px;
  padding-top: 32px; border-top: 1px solid var(--bd);
  flex-wrap: wrap;
}
.trust-item .val {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 30px; font-weight: 900; color: var(--ink);
}
.trust-item .val span { color: var(--red); }
.trust-item .lbl { font-size: 12px; color: var(--ink3); }

/* Hero visual */
.hero-visual {
  position: relative;
}
.hero-card {
  background: var(--white);
  border: 1px solid var(--bd);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 8px 40px rgba(0,0,0,.08);
  position: relative;
}
.hero-card-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  color: var(--ink3); text-transform: uppercase;
  margin-bottom: 12px;
  font-family: 'DM Mono', monospace;
}
.hero-card-name {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 20px; font-weight: 700;
  margin-bottom: 20px;
}
.hero-stages { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hero-stage {
  background: var(--bg);
  border-radius: 8px; padding: 12px;
}
.hero-stage .sw { font-size: 10px; color: var(--ink4); font-family: 'DM Mono',monospace; }
.hero-stage .sa { font-size: 18px; font-weight: 900; margin-top: 2px; }
.hero-stage.s1 { background: rgba(200,49,58,.06); }
.hero-stage.s1 .sa { color: var(--red); }
.hero-margin-row {
  display: flex; gap: 8px; margin-top: 16px;
}
.hm { flex:1; text-align:center; padding:8px; border-radius:6px; background:var(--bg); }
.hm .mv { font-size:13px; font-weight:700; color:var(--grn); }
.hm .ml { font-size:9px; color:var(--ink4); font-family:'DM Mono',monospace; }
.hero-badge-float {
  position: absolute; top: -14px; right: 20px;
  background: var(--red); color: white;
  padding: 5px 14px; border-radius: 20px;
  font-size: 11px; font-weight: 700;
}
/* Admit Ticker */
.admit-ticker-wrap {
  overflow: hidden; border-radius: 10px;
  border: 1px solid var(--bd); background: var(--bg);
  margin-bottom: 16px; height: 200px;
  position: relative;
}
.admit-ticker-wrap::before, .admit-ticker-wrap::after {
  content: ''; position: absolute; left:0; right:0; height: 28px; z-index:2;
  pointer-events: none;
}
.admit-ticker-wrap::before { top:0; background: linear-gradient(to bottom, var(--bg), transparent); }
.admit-ticker-wrap::after  { bottom:0; background: linear-gradient(to top, var(--bg), transparent); }
@keyframes tickerScroll {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}
.admit-ticker {
  display: flex; flex-direction: column; gap: 0;
  animation: tickerScroll 18s linear infinite;
}
.admit-ticker:hover { animation-play-state: paused; }
.admit-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-bottom: 1px solid var(--bd);
  font-size: 13px;
}
.admit-school {
  padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 700; white-space: nowrap; flex-shrink: 0;
}
.tsinghua { background: rgba(114,46,209,.1); color: #7232d1; }
.pku      { background: rgba(139,0,0,.1);    color: #8b0000; }
.sjtu     { background: rgba(0,84,166,.1);   color: #0054a6; }
.fudan    { background: rgba(160,0,0,.1);    color: #a00000; }
.zju      { background: rgba(0,122,68,.1);   color: #007a44; }
.nju      { background: rgba(91,36,122,.1);  color: #5b247a; }
.admit-name  { font-weight: 700; flex-shrink: 0; }
.admit-major { font-size: 12px; color: var(--ink3); }
.admit-stats-row {
  display: flex; gap: 0; border-top: 1px solid var(--bd); margin-top: 0;
}
.admit-stat {
  flex: 1; padding: 12px 8px; text-align: center;
  border-right: 1px solid var(--bd);
}
.admit-stat:last-child { border-right: none; }
.asv { display:block; font-family:'Noto Serif SC',serif; font-size:18px; font-weight:900; color:var(--red); }
.asl { display:block; font-size:10px; color:var(--ink3); margin-top:2px; }

.hero-stats-float {
  position: absolute; bottom: -20px; left: -20px;
  background: var(--ink);
  color: white;
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
  animation: floatBob 3s ease-in-out infinite;
}
.hero-stats-float .val { font-size: 22px; font-weight: 900; }
.hero-stats-float .lbl { font-size: 11px; color: rgba(255,255,255,.6); }

/* ─── SECTION COMMON ─── */
.sec { padding: 64px 0; }
.sec-alt { background: var(--white); }
.sec-hd { text-align: center; margin-bottom: 56px; }
.sec-eyebrow {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}
.sec-title {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 36px; font-weight: 900; line-height: 1.25;
  margin-bottom: 14px;
}
.sec-sub { font-size: 18px; color: var(--ink2); max-width: 560px; margin: 0 auto; line-height: 1.9; }

/* ─── COMPACT BRAND STORY ─── */
.brand-summary { max-width:900px; margin:0 auto 52px; padding:30px 34px; background:var(--white); border:1px solid var(--bd); border-left:4px solid var(--red); border-radius:16px; box-shadow:0 12px 38px rgba(29,22,42,.04); }
.brand-summary-label,.brand-mini-title { font-family:'DM Mono',monospace; font-size:11px; font-weight:700; color:var(--red); letter-spacing:1.5px; }
.brand-summary p { margin-top:12px; color:var(--ink2); font-size:16px; line-height:2; }
.brand-mini-title { margin-bottom:20px; text-align:center; color:var(--ink4); }
.brand-engineering-wrap { max-width:920px; margin:0 auto 64px; }
.brand-history { max-width:980px; margin:0 auto; padding-top:48px; border-top:1px solid var(--bd); }
.history-compact-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.history-compact-item { padding:22px 20px; background:var(--white); border:1px solid var(--bd); border-radius:14px; }
.history-compact-item span { color:var(--red); font-family:'DM Mono',monospace; font-size:12px; font-weight:700; }
.history-compact-item h3 { margin:12px 0 7px; font-size:15px; }
.history-compact-item p { color:var(--ink3); font-size:13px; line-height:1.7; }

/* ─── STRENGTH ─── */
.strength-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.strength-card {
  background: var(--white);
  border: 1px solid var(--bd);
  border-radius: 16px; padding: 32px;
  position: relative; overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.strength-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.08); }
.strength-card::before {
  content: ''; position: absolute; top:0; left:0; right:0; height:3px;
}
.sc-1::before { background: var(--red); }
.sc-2::before { background: var(--gold); }
.sc-3::before { background: var(--grn); }
.sc-4::before { background: var(--blu); }
.sc-5::before { background: var(--red); }
.sc-6::before { background: #8b5cf6; }
.strength-num {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 44px; font-weight: 900;
  line-height: 1; margin-bottom: 8px;
}
.strength-label { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.strength-body { font-size: 13px; color: var(--ink3); line-height: 1.8; }

/* ─── PRODUCTS ─── */
.products-wrapper { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 20px; }
.product-card {
  background: var(--white);
  border: 1px solid var(--bd);
  border-radius: 16px; overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,.1); }
.product-card.featured { border: 2px solid var(--grn); }
.pc-head { padding: 24px 24px 0; }
.pc-badge-wrap { margin-bottom: 10px; }
.pc-name { font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif; font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.pc-sub { font-size: 13px; color: var(--ink3); margin-bottom: 18px; line-height: 1.6; }
.pc-old { font-size: 13px; color: var(--ink4); text-decoration: line-through; }
.pc-price {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 40px; font-weight: 900;
  line-height: 1; margin: 4px 0;
}
.pc-price-note { font-size: 12px; color: var(--ink3); margin-bottom: 0; }

.pc-body { padding: 16px 24px 20px; border-top: 1px solid var(--bd); margin-top: 16px; }
.pc-section-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--ink4); margin: 12px 0 8px;
}
.pc-item {
  display: flex; gap: 8px; align-items: flex-start;
  font-size: 13px; margin-bottom: 8px;
}
.pc-dot { width:5px; height:5px; border-radius:50%; flex-shrink:0; margin-top:7px; }
.pc-item-text { color: var(--ink2); line-height: 1.6; }
.pc-item-text strong { color: var(--ink); }
.pc-promise {
  margin-top: 14px; padding: 10px 14px; border-radius: 8px;
  font-size: 13px; line-height: 1.7; font-weight: 500;
}
.pc-upgrade {
  margin-top: 12px; padding: 10px 14px; border-radius: 8px;
  background: rgba(30,122,80,.06);
  font-size: 12px; color: var(--grn);
  display: flex; align-items: center; gap: 6px;
}
.pc-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-top: 1px solid var(--bd);
  background: var(--bg);
}
.pc-margin { font-size: 16px; font-weight: 700; color: var(--grn); }
.pc-cost { font-size: 12px; color: var(--ink4); }
.pc-cta {
  width: 100%; padding: 13px;
  margin: 0; border: none; cursor: pointer;
  font-size: 14px; font-weight: 700;
  border-radius: 0 0 14px 14px;
  transition: all .15s;
}
.pc-cta-blue  { background: var(--blu);  color: white; }
.pc-cta-pur   { background: #6b3fa0;     color: white; }
.pc-cta-grn   { background: var(--grn);  color: white; }
.pc-cta:hover { filter: brightness(1.08); }

/* Flagship */
.flagship-card {
  background: var(--ink);
  border-radius: 16px; overflow: hidden;
  color: white;
  box-shadow: 4px 4px 0 var(--red);
}
.flagship-inner {
  display: grid; grid-template-columns: 1fr auto;
  gap: 32px; align-items: start;
  padding: 32px 36px 24px;
}
.flagship-left .fl-tag {
  font-family: 'DM Mono', monospace;
  font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase;
  color: rgba(255,255,255,.5); margin-bottom: 10px;
}
.flagship-left .fl-name {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 26px; font-weight: 900; margin-bottom: 6px;
}
.flagship-left .fl-sub { font-size: 13px; color: rgba(255,255,255,.55); }
.flagship-right .fl-old { font-size: 13px; color: rgba(255,255,255,.4); text-decoration: line-through; }
.flagship-right .fl-price {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 52px; font-weight: 900; line-height: 1;
}
.flagship-right .fl-note { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 4px; }
.flagship-stages {
  display: grid; grid-template-columns: repeat(4,1fr);
  border-top: 1px solid rgba(255,255,255,.1);
}
.fl-stage {
  padding: 18px 20px;
  border-right: 1px solid rgba(255,255,255,.08);
}
.fl-stage:last-child { border-right: none; }
.fl-stage .fsw { font-size: 10px; color: rgba(255,255,255,.4); font-family:'DM Mono',monospace; }
.fl-stage .fsn { font-size: 13px; font-weight: 600; margin: 4px 0; }
.fl-stage .fsa { font-size: 22px; font-weight: 900; }
.fl-stage .fsh { font-size: 11px; color: rgba(255,255,255,.4); margin-top: 3px; }
.fl-stage.hl .fsa { color: #f5c518; }
.flagship-footer {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 36px; border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.2);
}
.fl-margins { display: flex; gap: 8px; }
.flm { padding: 8px 14px; border-radius: 6px; background: rgba(255,255,255,.06); text-align: center; }
.flm .mv { font-size: 14px; font-weight: 700; color: #2dd98a; }
.flm .ml { font-size: 9px; color: rgba(255,255,255,.4); font-family:'DM Mono',monospace; }
.flm.total { background: rgba(45,217,138,.1); border: 1px solid rgba(45,217,138,.2); }
.fl-note { font-size: 13px; color: rgba(255,255,255,.5); flex:1; line-height:1.7; }
.flagship-cta {
  padding: 14px 32px; background: var(--red); color: white;
  border: none; cursor: pointer;
  font-size: 14px; font-weight: 700; border-radius: 8px;
  transition: all .15s; white-space: nowrap;
}
.flagship-cta:hover { background: var(--red2); transform: translateY(-1px); }

/* ─── WHY US ─── */
.compare-wrap {
  background: var(--white);
  border: 1px solid var(--bd); border-radius: 16px; overflow: hidden;
}
.cmp-table { width:100%; border-collapse:collapse; font-size:14px; }
.cmp-table th {
  background: var(--bg); padding:12px 18px;
  text-align:left; font-size:11px; font-weight:700;
  color:var(--ink3); border-bottom:2px solid var(--bd);
  font-family:'DM Mono',monospace; letter-spacing:.5px;
}
.cmp-table td { padding:14px 18px; border-bottom:1px solid var(--bd); color:var(--ink2); vertical-align:middle; }
.cmp-table tr:last-child td { border-bottom:none; }
.cmp-table .us td { background:rgba(30,122,80,.04); }
.cmp-table .us td:first-child { color:var(--grn); font-weight:700; }
.mark-y { color:var(--grn); font-weight:700; }
.mark-n { color:var(--ink4); }

/* ─── CASES ─── */
.cases-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.case-card {
  background:var(--white); border:1px solid var(--bd);
  border-radius:14px; padding:24px;
  transition:transform .2s;
}
.case-card:hover { transform:translateY(-3px); }
.case-header { display:flex; align-items:center; gap:14px; margin-bottom:16px; }
.case-avatar {
  width:44px; height:44px; border-radius:50%;
  background:var(--ink);
  display:flex; align-items:center; justify-content:center;
  font-size:16px; color:white; font-weight:700; flex-shrink:0;
}
.case-meta .case-name { font-size:15px; font-weight:700; }
.case-meta .case-info { font-size:14px; color:var(--ink3); }
.case-body { font-size:16px; color:var(--ink2); line-height:1.9; }
.case-result {
  display:inline-flex; align-items:center; gap:6px;
  margin-top:12px; padding:6px 12px; border-radius:6px;
  background:rgba(30,122,80,.08); color:var(--grn);
  font-size:12px; font-weight:700;
}

/* ─── FAQ ─── */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--bd); border-radius: 12px;
  margin-bottom: 10px; overflow: hidden;
}
.faq-q {
  padding: 18px 24px;
  font-size: 15px; font-weight: 600;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  user-select: none;
  transition: background .15s;
}
.faq-q:hover { background: var(--bg); }
.faq-q .arrow { font-size: 12px; color: var(--ink3); transition: transform .2s; }
.faq-item.open .arrow { transform: rotate(180deg); }
.faq-a {
  padding: 0 24px;
  font-size: 14px; color: var(--ink2); line-height: 1.9;
  max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 24px 18px; }

/* ─── AI CHAT ─── */
.chat-fab {
  position: fixed; bottom: 100px; right: 28px; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--ink); color: white;
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
  transition: all .15s;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity .3s, transform .3s;
}
.chat-fab.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.chat-fab:hover { background: var(--ink2); transform: scale(1.08); }
.chat-label {
  position: absolute; right: 66px; top: 50%;
  transform: translateY(-50%);
  background: var(--ink); color: white;
  padding: 6px 12px; border-radius: 20px;
  font-size: 12px; white-space: nowrap;
}

.chat-panel {
  position: fixed; bottom: 170px; right: 24px; z-index: 850;
  width: 360px; max-height: 520px;
  background: var(--white); border: 1px solid var(--bd);
  border-radius: 18px;
  box-shadow: 0 16px 60px rgba(0,0,0,.15);
  display: flex; flex-direction: column;
  transform: translateX(400px) scale(.9); opacity: 0;
  transition: all .3s cubic-bezier(.34,1.56,.64,1);
  pointer-events: none;
}
.chat-panel.open {
  transform: none; opacity: 1; pointer-events: all;
}
.chat-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--bd);
  display: flex; align-items: center; gap: 12px;
}
.chat-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: white;
}
.chat-head-info .name { font-size: 14px; font-weight: 700; }
.chat-head-info .status { font-size: 11px; color: var(--grn); display:flex;align-items:center;gap:4px; }
.chat-head-info .status::before { content:''; width:6px;height:6px;border-radius:50%;background:var(--grn); }
.chat-close {
  margin-left:auto; background:none;border:none;cursor:pointer;
  font-size:18px;color:var(--ink3);padding:4px;
}
.chat-messages {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
  scroll-behavior: smooth;
}
.chat-msg { display:flex; gap:8px; max-width:100%; }
.chat-msg.user { flex-direction:row-reverse; }
.msg-bubble {
  padding: 10px 14px; border-radius: 14px;
  font-size: 13px; line-height: 1.7;
  max-width: 80%;
}
.chat-msg.bot .msg-bubble { background: var(--bg); color: var(--ink); border-radius: 4px 14px 14px 14px; }
.chat-msg.user .msg-bubble { background: var(--ink); color: white; border-radius: 14px 4px 14px 14px; }
.msg-avatar {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  background: var(--ink); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; margin-top: 2px;
}
.chat-msg.user .msg-avatar { background: var(--red); }
.typing-dots span {
  display:inline-block; width:5px;height:5px;border-radius:50%;
  background:var(--ink3); margin:0 2px;
  animation: fadeUp .6s ease infinite;
}
.typing-dots span:nth-child(2) { animation-delay:.15s; }
.typing-dots span:nth-child(3) { animation-delay:.3s; }
.chat-input-row {
  padding: 12px 16px;
  border-top: 1px solid var(--bd);
  display: flex; gap: 8px;
}
.chat-input {
  flex:1; padding:10px 14px; border-radius:10px;
  border:1px solid var(--bd);
  font-size:13px; font-family:inherit; outline:none;
  transition:border-color .15s;
}
.chat-input:focus { border-color: var(--ink); }
.chat-send {
  padding: 10px 16px; border-radius: 10px;
  background: var(--ink); color: white;
  border: none; cursor: pointer; font-size: 14px;
  transition: background .15s;
}
.chat-send:hover { background: var(--ink2); }
.qr-nudge {
  background: linear-gradient(135deg, #f7f0ff, #ede4f9);
  border: 1px solid rgba(107,45,139,.18);
  border-radius: 12px;
  padding: 12px 14px;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeUp .4s ease both;
}
.qr-nudge img { width: 68px; height: 68px; border-radius: 8px; flex-shrink: 0; }
.qr-nudge-text { font-size: 12px; line-height: 1.7; color: var(--ink2); }
.qr-nudge-text strong { color: var(--red); font-size: 13px; display: block; margin-bottom: 2px; }
.chat-api-notice {
  padding: 12px 16px; background: #fffbf0; border-top: 1px solid #f0e8c0;
  font-size: 11px; color: var(--gold); text-align:center;
}

/* ─── CONSULT MODAL ─── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 950;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--white);
  border-radius: 20px; padding: 40px;
  width: 100%; max-width: 480px;
  max-height: 90vh; overflow-y: auto;
  transform: scale(.95); transition: transform .25s;
  position: relative;
}
.modal-overlay.open .modal-box { transform: none; }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: var(--bg); border: 1px solid var(--bd);
  border-radius: 8px; width: 32px; height: 32px;
  cursor: pointer; font-size: 16px; color: var(--ink3);
  display:flex;align-items:center;justify-content:center;
}
.modal-title {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 26px; font-weight: 900; margin-bottom: 6px;
}
.modal-sub { font-size: 14px; color: var(--ink3); margin-bottom: 28px; }
.form-group { margin-bottom: 18px; }
.form-label { font-size: 13px; font-weight: 600; margin-bottom: 6px; display:block; }
.form-input, .form-select {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  border: 1.5px solid var(--bd);
  font-size: 14px; font-family: inherit; outline: none;
  background: var(--white);
  transition: border-color .15s;
}
.form-input:focus, .form-select:focus { border-color: var(--ink); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-submit {
  width: 100%; padding: 15px;
  background: var(--red); color: white;
  border: none; border-radius: 12px; cursor: pointer;
  font-size: 15px; font-weight: 700;
  transition: all .15s; margin-top: 8px;
}
.form-submit:hover { background: var(--red2); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(107,45,139,.3); }
.form-privacy { font-size: 11px; color: var(--ink4); text-align: center; margin-top: 12px; }

/* 提交成功状态 */
.success-state { text-align: center; padding: 20px 0; }
.success-icon { font-size: 56px; margin-bottom: 16px; }
.success-title { font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif; font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.success-body { font-size: 14px; color: var(--ink2); line-height: 1.9; margin-bottom: 24px; }
.success-contact {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 12px;
  background: var(--ink); color: white;
  font-size: 14px; font-weight: 600;
}

/* ─── FLOATING CONSULT BTN ─── */
.float-cta {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  padding: 14px 24px; border-radius: 50px;
  background: var(--red); color: white;
  font-size: 14px; font-weight: 700;
  border: none; cursor: pointer;
  box-shadow: 0 4px 20px rgba(107,45,139,.4);
  display: flex; align-items: center; gap: 8px;
  transition: opacity .3s, transform .3s;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}
.float-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.float-cta:hover { background: var(--red2); transform: translateY(-2px); }

/* ─── FOOTER ─── */
.hotline-band { padding: 28px 0; background: linear-gradient(135deg, #562070, #7d39a1); color:#fff; }
.hotline-inner { display:flex; align-items:center; gap:32px; }
.hotline-kicker { font-size:12px; color:rgba(255,255,255,.7); }
.hotline-title { margin-top:2px; font-size:20px; font-weight:800; }
.hotline-number { margin-left:auto; display:flex; flex-direction:column; line-height:1.1; }
.hotline-number span { font-size:11px; color:rgba(255,255,255,.65); }
.hotline-number strong { margin-top:5px; font-size:30px; font-family:'DM Mono',monospace; letter-spacing:1px; }
.hotline-btn { padding:12px 22px; border:1px solid rgba(255,255,255,.35); border-radius:9px; background:#fff; color:var(--red); font-weight:800; cursor:pointer; }
.footer-phone { margin-bottom:18px !important; padding:12px 14px; border-radius:10px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14); color:#fff !important; }
.footer-phone span,.footer-phone small { display:block; font-size:10px; color:rgba(255,255,255,.55); }
.footer-phone strong { display:block; margin:3px 0; font-size:20px; font-family:'DM Mono',monospace; letter-spacing:.5px; }
.mobile-phone-bar { display:none; }
footer {
  background: var(--ink);
  color: rgba(255,255,255,.6);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand .fb-logo {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.footer-brand .fb-mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--red);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: 16px; font-weight: 900; color: white;
}
.footer-brand .fb-name { font-size: 16px; font-weight: 700; color: white; }
.footer-brand p { font-size: 13px; line-height: 1.9; }
.footer-col h4 { font-size: 13px; font-weight: 700; color: white; margin-bottom: 14px; }
.footer-col a {
  display: block; font-size: 13px; margin-bottom: 8px;
  transition: color .15s;
}
.footer-col a:hover { color: white; }
.footer-bottom {
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px;
}
.footer-bottom a { color: rgba(255,255,255,.4); margin-left:16px; }
.footer-bottom a:hover { color: white; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero h1 { font-size: 38px; }
  .strength-grid { grid-template-columns: 1fr 1fr; }
  .products-wrapper { grid-template-columns: 1fr; }
  .flagship-inner { grid-template-columns: 1fr; }
  .flagship-stages { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cmp-table { font-size: 12px; }
  .cmp-table th, .cmp-table td { padding: 10px 12px; }
  .fl-margins { display:none; }
  .chat-panel { width: calc(100vw - 32px); right: 16px; }
  .nav-phone { display:none; }
  .hotline-inner { align-items:flex-start; flex-wrap:wrap; gap:16px; }
  .hotline-number { margin-left:0; }
  .history-compact-grid { grid-template-columns:1fr 1fr; }
  .brand-engineering-wrap > div:nth-child(2) { grid-template-columns:1fr !important; }
}
@media (max-width: 600px) {
  html { -webkit-text-size-adjust:100%; text-size-adjust:100%; }
  .container { padding: 0 18px; }
  .nav-inner { height:64px; }
  .nav-logo { gap:9px; min-width:0; }
  .nav-logo-mark { width:38px; height:38px; flex:0 0 38px; }
  .nav-logo-text { font-size:17px; line-height:1.25; }
  .nav-logo-sub { max-width:152px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:10px; }
  .nav-cta { margin-left:10px; padding:10px 15px; min-height:42px; white-space:nowrap; }
  .chat-fab { display:none !important; }
  .chat-label { display:none; }
  .chat-panel {
    right:10px;
    bottom:calc(68px + env(safe-area-inset-bottom));
    width:calc(100vw - 20px);
    max-height:calc(100dvh - 92px - env(safe-area-inset-bottom));
  }
  .float-cta { bottom: calc(16px + env(safe-area-inset-bottom)); }
  .hero { padding: 92px 0 46px; }
  .hero-eyebrow { margin-bottom:14px; }
  .hero h1 { font-size: 34px; line-height:1.18; margin-bottom:16px; }
  .hero-lead { font-size:15px; line-height:1.8; margin-bottom:18px; }
  .hero-actions { display:grid; grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr); gap:10px; }
  .hero-actions .btn-primary,.hero-actions .btn-secondary { width:100%; min-height:46px; padding:12px 8px; justify-content:center; font-size:13px; }
  .hero-trust { display:grid; grid-template-columns:1fr 1fr; gap:18px 12px; }
  .trust-item .val { font-size: 24px; }
  .sec { padding: 54px 0; }
  .sec-hd { margin-bottom:30px; }
  .sec-title { font-size: 27px; line-height:1.35; }
  .sec-sub { font-size:15px; line-height:1.75; }
  .strength-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap:12px; }
  .strength-card { padding:20px 16px; min-width:0; }
  .strength-num { font-size:34px; }
  .strength-label { font-size:14px; }
  .strength-body { font-size:12.5px; line-height:1.7; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap:28px 22px; }
  .footer-brand { grid-column:1 / -1; }
  .footer-col:last-child { grid-column:1 / -1; }
  .nav-links { display: none; }
  .float-cta span:not(:first-child) { display:none; }
  body { padding-bottom: calc(18px + env(safe-area-inset-bottom)); }
  .hero-phone { width:100%; }
  .hero-phone em { display:none; }
  .hotline-band { padding:24px 0; }
  .hotline-inner { display:block; }
  .hotline-title { font-size:18px; }
  .hotline-number { margin:16px 0; }
  .hotline-number strong { font-size:27px; }
  .hotline-btn { width:100%; }
  .mobile-phone-bar {
    position:fixed; left:auto; right:12px; bottom:calc(12px + env(safe-area-inset-bottom)); z-index:1100;
    width:auto; height:44px; padding:0 15px;
    display:flex; align-items:center; justify-content:center; gap:12px;
    border-radius:999px; background:var(--red); color:#fff;
    box-shadow:0 7px 24px rgba(55,20,75,.28);
  }
  .mobile-phone-bar span { font-size:11px; font-weight:700; }
  .mobile-phone-bar strong { font-size:15px; font-family:'DM Mono',monospace; letter-spacing:.2px; }
  #brand .sec-title { font-size:25px; line-height:1.35; }
  #brand .sec-sub { font-size:14px; }
  .brand-summary { margin-bottom:34px; padding:18px 17px; border-radius:14px; }
  .brand-summary p { margin-top:9px; font-size:13.5px; line-height:1.75; }
  .brand-engineering-wrap { margin-bottom:46px; }
  .brand-engineering-wrap > div:first-child { margin-bottom:14px !important; font-size:10px !important; letter-spacing:1px !important; }
  .brand-engineering-wrap > div:nth-child(2) { gap:12px !important; }
  .brand-engineering-wrap > div:nth-child(2) > div { padding:18px 17px !important; border-radius:14px !important; }
  .brand-engineering-wrap > div:nth-child(2) > div > div:first-child { font-size:14px !important; line-height:1.55; }
  .brand-engineering-wrap > div:nth-child(2) > div > div:last-child { font-size:13px !important; line-height:1.75 !important; }
  .brand-engineering-wrap > div:last-child { margin-top:16px !important; font-size:13px !important; line-height:1.7 !important; }
  .history-compact-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
  .history-compact-item { padding:18px 16px; min-width:0; }
  .history-compact-item h3 { font-size:14px; line-height:1.55; }
  .history-compact-item p { font-size:12.5px; }
  .mentor-matrix-grid { grid-template-columns:1fr !important; }
  .case-overview-grid { grid-template-columns:1fr 1fr !important; gap:10px !important; }
  .case-overview-grid > div { padding:14px 8px !important; min-width:0; }
  .case-overview-grid > div > div:first-child { font-size:21px !important; overflow-wrap:anywhere; }
  .allsubject-grid {
    display:grid !important;
    grid-template-columns:repeat(2,minmax(0,1fr)) !important;
    gap:12px !important;
    max-width:none !important;
    overflow:visible;
    padding:0;
  }
  .allsubject-grid > div {
    min-width:0;
    padding:18px 15px !important;
    border-radius:16px !important;
  }
  .allsubject-grid > div > div:nth-child(1) { top:12px !important; right:10px !important; max-width:92px; text-align:center; }
  .allsubject-grid > div > div:nth-child(2) { font-size:22px !important; margin-bottom:20px !important; }
  .allsubject-grid > div > div:nth-child(3) { font-size:17px !important; }
  .allsubject-grid > div > div:nth-child(4) { font-size:13px !important; line-height:1.75 !important; }
  .allsubject-grid span { font-size:11.5px !important; padding:4px 8px !important; }
  .service-backbone-grid { grid-template-columns:1fr !important; gap:0 !important; text-align:left !important; }
  .service-backbone-grid > div { padding:16px 0; display:grid; grid-template-columns:36px 1fr; column-gap:10px; align-items:start; border-bottom:1px solid var(--bd); }
  .service-backbone-grid > div:last-child { border-bottom:0; }
  .service-backbone-grid > div > div:first-child { grid-row:1 / span 2; margin:0 !important; }
  .service-backbone-grid > div > div:nth-child(2),.service-backbone-grid > div > div:nth-child(3) { grid-column:2; }
  .flagship-inner { padding:24px 20px 18px; gap:18px; }
  .flagship-left .fl-name { font-size:22px; }
  .flagship-right .fl-price { font-size:40px; }
  .flagship-stages { grid-template-columns:repeat(2,minmax(0,1fr)) !important; }
  .fl-stage { border-right:1px solid rgba(255,255,255,.08); border-bottom:1px solid rgba(255,255,255,.08); padding:15px 14px; min-width:0; }
  .fl-stage:nth-child(2n) { border-right:0; }
  .fl-stage:nth-last-child(-n+2) { border-bottom:0; }
  .flagship-footer { padding:16px 20px; flex-direction:column; align-items:stretch; }
  .flagship-cta { width:100%; }
  .fac-grid {
    display:grid !important;
    grid-template-columns:1fr !important;
    gap:12px !important;
    overflow:visible;
    padding:0;
  }
  .fac-grid > .fac-card:not(:last-child) {
    display:grid !important;
    grid-template-columns:118px minmax(0,1fr);
    grid-template-rows:auto auto auto auto;
    min-width:0;
    border-radius:16px;
  }
  .fac-grid > .fac-card:not(:last-child) .fac-photo {
    grid-column:1;
    grid-row:1 / span 3;
    width:118px;
    height:158px;
    padding:10px 8px 0;
    object-position:center bottom;
    align-self:stretch;
  }
  .fac-grid > .fac-card:not(:last-child) .fac-body { display:contents; }
  .fac-grid > .fac-card:not(:last-child) .fac-role {
    grid-column:2;
    margin:16px 14px 4px;
    font-size:11.5px;
  }
  .fac-grid > .fac-card:not(:last-child) .fac-name {
    grid-column:2;
    margin:0 14px 5px;
    font-size:18px;
  }
  .fac-grid > .fac-card:not(:last-child) .fac-edu {
    grid-column:2;
    margin:0 14px 10px;
    padding:0;
    border:0;
    font-size:12px;
    line-height:1.65;
  }
  .fac-grid > .fac-card:not(:last-child) .fac-desc {
    grid-column:1 / -1;
    padding:14px 16px 17px;
    border-top:1px solid var(--bd);
    font-size:13px;
    line-height:1.75;
  }
  .fac-grid > .fac-card:last-child {
    min-height:210px;
    padding:24px 20px !important;
    border-radius:16px;
  }
  .products-wrapper {
    display:grid !important;
    grid-template-columns:1fr !important;
    gap:12px !important;
    overflow:visible;
    padding:0;
  }
  .products-wrapper > .product-card {
    min-width:0;
    border-radius:16px;
  }
  .pc-head { padding:20px 18px 0; }
  .pc-name { font-size:19px; }
  .pc-sub { margin-bottom:14px; }
  .pc-body {
    padding:14px 16px 18px;
    display:block;
  }
  .pc-section-label { margin:15px 0 5px; }
  .pc-section-label:first-child { margin-top:3px; }
  .pc-item {
    margin:0;
    padding:8px 0;
    border-radius:0;
    border-bottom:1px dashed var(--bd);
    background:transparent;
    font-size:13px;
    min-width:0;
  }
  .pc-item:last-of-type { border-bottom:0; }
  .pc-item-text { line-height:1.6; overflow-wrap:anywhere; }
  .pc-upgrade { margin-top:12px; }
  .pc-cta { min-height:46px; }
  .case-expand { padding:24px 18px; border-radius:18px; }
  .case-tabs { justify-content:flex-start; flex-wrap:nowrap; gap:8px; margin-bottom:22px; overflow-x:auto; padding:0 1px 8px; scroll-snap-type:x proximity; scrollbar-width:none; }
  .case-tabs::-webkit-scrollbar { display:none; }
  .case-tab-btn { flex:0 0 auto; min-height:42px; padding:9px 14px; font-size:13px; scroll-snap-align:start; }
  .case-expand-top { align-items:flex-start; margin-bottom:20px; padding-bottom:20px; }
  .case-expand-id { align-items:flex-start; gap:12px; min-width:0; }
  .case-expand-avatar { width:48px; height:48px; font-size:18px; flex:0 0 48px; }
  .case-expand-name { font-size:18px; }
  .case-expand-tag { font-size:12.5px; line-height:1.65; }
  .case-expand-result { width:100%; padding:10px 13px; white-space:normal; font-size:13px; line-height:1.6; }
  .case-diag { padding:16px; margin-bottom:24px; font-size:14px; line-height:1.8; }
  .case-timeline { display:grid !important; grid-template-columns:1fr !important; gap:10px !important; }
  .case-tl-step {
    display:grid;
    grid-template-columns:48px minmax(0,1fr);
    grid-template-rows:auto 1fr;
    align-items:start;
    padding:0 !important;
    min-width:0;
  }
  .case-tl-dot { grid-column:1; grid-row:1; width:12px; height:12px; margin:6px auto 5px; box-shadow:0 0 0 3px rgba(107,45,139,.12); }
  .case-tl-line { display:none !important; }
  .case-tl-phase { grid-column:1; grid-row:2; margin:0; font-size:11px; line-height:1.4; text-align:center; }
  .case-tl-body { grid-column:2; grid-row:1 / span 2; min-height:0 !important; padding:13px 14px; font-size:12.5px; line-height:1.7; }
  .case-stats { gap:18px; }
  .case-tag-chip { padding:6px 11px; font-size:12px; }
  .cmp-3col { grid-template-columns:repeat(2,minmax(0,1fr)) !important; gap:10px !important; }
  .cmp-3col > .cmp-card { min-width:0; border-radius:13px; }
  .cmp-3col > .cmp-card.highlight { grid-column:1 / -1; }
  .cmp-card-head { padding:13px 12px !important; }
  .cmp-card-body { padding:13px 12px !important; }
  .cmp-card-tag { font-size:9.5px !important; letter-spacing:.3px !important; }
  .cmp-card-title { font-size:15px !important; line-height:1.45; }
  .cmp-feature-list { gap:9px !important; }
  .cmp-feature { gap:6px !important; font-size:12px !important; line-height:1.6; }
  .price-cmp-value { font-size:18px !important; }
  #faq { padding-top:42px; padding-bottom:42px; }
  #faq .sec-hd { margin-bottom:22px; }
  #faq .sec-title { font-size:25px; }
  .faq-q { padding:15px 16px; min-height:54px; font-size:14px; line-height:1.55; }
  .faq-a { max-height:0; padding:0 16px; font-size:13px; line-height:1.75; }
  .faq-item.open .faq-a { max-height:420px; padding:0 16px 15px; }
  .modal-overlay { padding:12px; }
  .modal-box { padding:30px 20px 24px; max-height:calc(100dvh - 24px); }
  #articleModal > div { padding:34px 20px !important; border-radius:16px !important; }
  #contentGrid,#contentGrid.home-slider {
    display:grid !important;
    grid-template-columns:minmax(0,1fr) !important;
    gap:14px !important;
    overflow:visible !important;
    padding-bottom:0 !important;
  }
  #contentGrid .card,#contentGrid .content-card,#contentGrid.home-slider .card,#contentGrid.home-slider .content-card {
    width:100% !important;
    min-width:0 !important;
    max-width:none !important;
    flex:none !important;
  }
  .content-card-body { padding:18px !important; }
  .content-card-footer { padding:12px 18px !important; }
  .footer-bottom { align-items:flex-start; gap:10px; }
  .footer-bottom > div:last-child { display:flex; flex-wrap:wrap; gap:10px 14px; }
  .footer-bottom a { margin-left:0; }
}

@media (max-width: 380px) {
  .container { padding-left:15px; padding-right:15px; }
  .nav-logo-sub { max-width:124px; }
  .nav-cta { padding-left:12px; padding-right:12px; }
  .hero-actions { grid-template-columns:1fr; }
  .allsubject-grid { grid-template-columns:1fr !important; }
  .pc-body { grid-template-columns:1fr; }
  .pc-section-label,.pc-upgrade { grid-column:1; }
  .mobile-phone-bar { gap:8px; }
  .mobile-phone-bar strong { font-size:17px; }
}

/* ─── 文章卡片样式 ─── */
#contentGrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1.5px solid var(--bd);
  border-radius: 16px;
  overflow: hidden;
  transition: all .2s;
  height: 100%;
}

.card:hover {
  border-color: var(--red);
  box-shadow: 0 8px 24px rgba(107,45,139,.12);
  transform: translateY(-2px);
}

.card-body {
  flex: 1;
  padding: 20px;
}

.card-date {
  font-size: 12px;
  color: var(--ink4);
  margin-bottom: 8px;
}

.card-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 10px;
}

.card-summary {
  font-size: 14px;
  color: var(--ink3);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--bd);
  background: var(--bg);
}

.content-card { background:var(--white);border:1px solid var(--bd);border-radius:14px;overflow:hidden;transition:transform .2s,box-shadow .2s;cursor:pointer;display:flex;flex-direction:column; }
.content-card:hover { transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,.08); }
.content-card-body { padding:20px;flex:1; }
.content-card-footer { padding:12px 20px;border-top:1px solid var(--bd);background:var(--bg);display:flex;align-items:center;justify-content:space-between; }
.content-card-featured { grid-column:1/-1;min-height:210px;background:linear-gradient(135deg,#fff 0%,#fbf7ff 70%,#eee0f6 100%);border-color:rgba(107,45,139,.22);position:relative; }
.content-card-featured::before { content:'';position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(180deg,#6b2d8b,#9b58bd); }
.content-card-featured .content-card-body { padding:30px 34px;display:flex;flex-direction:column;justify-content:center; }
.content-card-featured .content-card-body > div:nth-of-type(3) { font-family:'Noto Serif SC',serif;font-size:24px!important;max-width:780px; }
.content-card-featured .content-card-body > div:nth-of-type(4) { font-size:14px!important;max-width:760px; }
.featured-eyebrow { font-size:11px;font-weight:700;letter-spacing:1.4px;color:var(--red);margin-bottom:12px; }
.art-body-rendered h2 { font-family:'Noto Serif SC',serif;font-size:20px;font-weight:700;margin:24px 0 10px;color:var(--ink); }
.art-body-rendered h3 { font-family:'Noto Serif SC',serif;font-size:17px;font-weight:700;margin:20px 0 10px;color:var(--ink); }
.art-body-rendered strong { color:var(--ink);font-weight:700; }
.art-body-rendered p { margin-bottom:14px;color:var(--ink2);line-height:1.9; }
.art-body-rendered ul, .art-body-rendered ol { margin:0 0 16px 20px; color:var(--ink2); padding-left:12px; }
.art-body-rendered li { margin-bottom:8px; line-height:1.9; }
.art-body-rendered blockquote { margin:18px 0; padding:12px 16px; border-left:4px solid rgba(107,45,139,.25); background:#faf8fd; color:var(--ink2); border-radius:0 12px 12px 0; }
.art-body-rendered a { color:var(--red); text-decoration:underline; text-underline-offset:3px; word-break:break-word; }
.art-body-rendered figure { margin:22px 0; }
.art-body-rendered img { display:block; max-width:100%; height:auto; border-radius:14px; border:1px solid var(--bd); }
.art-body-rendered .ql-align-center { text-align:center; }
.art-body-rendered .ql-align-center img { margin-left:auto; margin-right:auto; }
.art-body-rendered .ql-align-right { text-align:right; }
.art-body-rendered .ql-align-justify { text-align:justify; }
.content-pin { font-size:10px;font-weight:700;padding:2px 8px;border-radius:10px;background:var(--red)!important;color:#fff!important; }
.art-body-rendered figcaption { margin-top:8px; font-size:12px; color:var(--ink3); text-align:center; }
.art-body-rendered .md-table-wrap { margin:20px 0; overflow-x:auto; border:1px solid var(--bd); border-radius:12px; background:var(--white); }
.art-body-rendered table { width:100%; border-collapse:collapse; min-width:520px; }
.art-body-rendered th, .art-body-rendered td { padding:12px 14px; border-bottom:1px solid var(--bd); text-align:left; vertical-align:top; color:var(--ink2); }
.art-body-rendered thead th { background:#faf8fd; color:var(--ink); font-weight:700; }
.art-body-rendered tbody tr:last-child td { border-bottom:none; }

.card-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--red);
}

/* ─── 标签按钮样式 ─── */
.tag-btn {
  padding: 6px 14px;
  border: 1.5px solid var(--bd);
  border-radius: 20px;
  background: var(--white);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink2);
  cursor: pointer;
  transition: all .2s;
}

.tag-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

.tag-btn.active {
  background: var(--red);
  border-color: var(--red);
  color: white;
}

/* ─── 文章详情弹窗 ─── */
#articlePanel {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity .3s;
}

#articlePanel.open {
  opacity: 1;
}

#articlePanel .panel-content {
  background: var(--white);
  border-radius: 16px;
  max-width: 700px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
}

#articlePanelTitle {
  font-family: 'Noto Serif SC', serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

#articlePanelMeta {
  font-size: 13px;
  color: var(--ink4);
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--bd);
}

#articlePanelBody {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink2);
}

/* ─── 响应式调整 ─── */
@media (max-width: 900px) {
  #contentGrid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  #contentGrid {
    grid-template-columns: 1fr;
  }
}

/* 本届战绩与服务方式 */
.result-hero{padding:30px 0;text-align:center}.result-hero strong{font-size:72px;line-height:1.1;color:var(--red)}.result-hero strong span{font-size:22px;margin-left:8px}.result-hero p{font-size:19px;font-weight:700;margin:14px 0 8px}.result-hero small{display:block;color:var(--ink3);line-height:1.8}.result-link{display:block;text-align:center;padding:20px 0 0;color:var(--red);font-weight:700}.brand-proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.brand-proof{padding:28px;border:1px solid var(--bd);border-radius:18px;background:var(--white)}.brand-proof>span{font-size:13px;color:var(--red);font-weight:700}.brand-proof h3{font-size:21px;line-height:1.5;margin:15px 0 10px}.brand-proof p{color:var(--ink3);font-size:15px;line-height:1.9}.brand-proof a{display:inline-block;margin-top:14px;color:var(--red);font-weight:700}.result-bar{height:8px;background:var(--bd);border-radius:8px;margin:18px 0;overflow:hidden}.result-bar i{display:block;height:100%;background:var(--red);border-radius:8px}.result-note{font-size:12px;line-height:1.9;color:var(--ink3);margin-top:22px}.gift-benefit{padding:24px 28px;border:1px solid var(--bd);border-radius:16px;background:var(--white);margin-bottom:28px}.gift-benefit h3{font-size:20px;margin:12px 0 8px}.gift-benefit p{color:var(--ink3);line-height:1.9;font-size:15px}@media(max-width:900px){.brand-proof-grid{grid-template-columns:1fr}.result-hero strong{font-size:60px}.brand-proof{padding:24px}.gift-benefit{padding:22px}}