/* ================================================
   企业订购页面样式 v2.0  重构版
   铁路与新能源时空耦合不平衡谐波追踪系统
   Author: linxuan  Version: 2.0.0
   ================================================ */

:root {
  --cyan:   #22d3ee;
  --blue:   #0ea5e9;
  --indigo: #6366f1;
  --purple: #818cf8;
  --orange: #f97316;
  --green:  #34d399;
  --bg:     #020c1b;
  --bg2:    #03112a;
  --card:   rgba(7,20,48,0.82);
  --card-s: #071430;
  --border: rgba(34,211,238,0.12);
  --border-b: rgba(34,211,238,0.30);
  --text:   #cbd5e1;
  --text2:  #64748b;
  --text-h: #e2f4ff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC','Microsoft YaHei',sans-serif;
  background: var(--bg); color: var(--text);
  min-height: 100vh; overflow-x: hidden;
}

/*  NAV  */
.pur-nav {
  position: sticky; top: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 68px;
  background: rgba(2,10,25,0.90);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(34,211,238,0.07), 0 8px 32px rgba(0,0,0,0.35);
}
.pur-nav-brand { display: flex; align-items: center; gap: 14px; }
.pur-nav-logo-wrap {
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid rgba(34,211,238,0.18); overflow: hidden;
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(34,211,238,0.05);
}
#pur-nav-logo { width: 100%; height: 100%; object-fit: cover; }
.pur-nav-title { font-size: 14px; font-weight: 700; color: var(--text-h); letter-spacing: 0.2px; }
.pur-nav-title small {
  display: block; font-size: 10px; color: var(--cyan);
  font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; margin-top: 2px;
}
.pur-nav-actions { display: flex; gap: 10px; }
.btn-nav-back {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 8px;
  background: rgba(34,211,238,0.06); border: 1px solid rgba(34,211,238,0.20);
  color: rgba(186,230,255,0.80); font-size: 13px; cursor: pointer;
  text-decoration: none; transition: all 0.22s;
}
.btn-nav-back:hover {
  background: rgba(34,211,238,0.12); border-color: var(--cyan);
  color: var(--cyan); text-decoration: none;
}
.btn-nav-cta {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 20px; border-radius: 8px;
  background: linear-gradient(135deg, #0369a1, var(--cyan));
  border: none; color: #fff; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.22s;
  box-shadow: 0 2px 14px rgba(34,211,238,0.28);
}
.btn-nav-cta:hover { filter: brightness(1.12); transform: translateY(-1px); }

/*  HERO  */
.pur-hero {
  position: relative; min-height: 94vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: 120px 40px 100px;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 75% 80% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; animation: orb-float 9s ease-in-out infinite; }
.hero-orb-1 { width: 560px; height: 560px; background: radial-gradient(rgba(14,165,233,0.18), transparent 70%); top: -180px; left: -120px; }
.hero-orb-2 { width: 440px; height: 440px; background: radial-gradient(rgba(99,102,241,0.14), transparent 70%); bottom: -100px; right: -100px; animation-delay: -4s; animation-duration: 12s; }
.hero-orb-3 { width: 280px; height: 280px; background: radial-gradient(rgba(34,211,238,0.10), transparent 70%); top: 35%; left: 58%; animation-delay: -6s; animation-duration: 14s; }
@keyframes orb-float {
  0%, 100% { transform: translate(0,0) scale(1); }
  33%       { transform: translate(24px,-32px) scale(1.06); }
  66%       { transform: translate(-18px,22px) scale(0.94); }
}
.hero-scan-line {
  position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34,211,238,0.28), transparent);
  animation: scan-down 7s ease-in-out infinite; pointer-events: none;
}
@keyframes scan-down {
  0%   { top: 5%;  opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { top: 95%; opacity: 0; }
}
.hero-content { position: relative; z-index: 1; max-width: 900px; text-align: center; }
.pur-hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 18px; border-radius: 24px;
  background: rgba(34,211,238,0.07); border: 1px solid rgba(34,211,238,0.22);
  color: var(--cyan); font-size: 12px; font-weight: 600;
  letter-spacing: 0.8px; margin-bottom: 32px;
}
.hero-badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan), 0 0 16px rgba(34,211,238,0.4);
  animation: badge-blink 2.2s ease-in-out infinite;
}
@keyframes badge-blink { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.3;transform:scale(0.8);} }
.hero-title {
  font-size: clamp(30px,5.2vw,60px); font-weight: 900; line-height: 1.18;
  color: var(--text-h); margin-bottom: 26px; letter-spacing: -0.5px;
}
.hero-title-accent {
  background: linear-gradient(135deg, #38bdf8, var(--cyan), #a78bfa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.pur-hero-sub { font-size: 16px; color: var(--text2); line-height: 1.85; max-width: 640px; margin: 0 auto 28px; }
.hero-trust-pills { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.trust-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 13px; border-radius: 20px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  font-size: 12px; color: var(--text2);
}
.trust-pill i { color: var(--cyan); font-size: 11px; }
.pur-hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.btn-hero-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 36px; border-radius: 12px;
  background: linear-gradient(135deg, #0369a1, var(--cyan));
  border: none; color: #fff; font-size: 15px; font-weight: 700;
  cursor: pointer; transition: all 0.25s;
  box-shadow: 0 4px 28px rgba(34,211,238,0.38);
}
.btn-hero-primary:hover { filter: brightness(1.12); transform: translateY(-2px); box-shadow: 0 8px 36px rgba(34,211,238,0.48); }
.btn-arrow { font-size: 16px; transition: transform 0.22s; }
.btn-hero-primary:hover .btn-arrow { transform: translateX(4px); }
.btn-hero-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 12px;
  background: rgba(34,211,238,0.08); border: 1px solid rgba(34,211,238,0.28);
  color: var(--cyan); font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.22s;
}
.btn-hero-secondary:hover { background: rgba(34,211,238,0.15); transform: translateY(-1px); }
.btn-hero-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 12px;
  background: transparent; border: 1.5px solid rgba(255,255,255,0.14);
  color: var(--text); font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.22s;
}
.btn-hero-outline:hover { border-color: rgba(255,255,255,0.32); color: var(--text-h); transform: translateY(-1px); }
.hero-bottom-fade {
  position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(to bottom, transparent, var(--bg)); pointer-events: none;
}

/*  TRUST TICKER  */
.trust-ticker {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: rgba(7,20,48,0.65); overflow: hidden; padding: 13px 0;
}
.trust-ticker-inner {
  display: flex; align-items: center; gap: 36px;
  white-space: nowrap; animation: ticker-scroll 30s linear infinite;
  width: max-content;
}
.trust-ticker-inner span { font-size: 13px; color: var(--text2); display: inline-flex; align-items: center; gap: 6px; }
.trust-ticker-inner span i { color: var(--cyan); }
.trust-ticker-inner .ticker-sep { color: rgba(34,211,238,0.22); font-size: 10px; }
@keyframes ticker-scroll { 0%{transform:translateX(0);} 100%{transform:translateX(-50%);} }

/*  STATS  */
.pur-stats { display: flex; justify-content: center; flex-wrap: wrap; background: var(--bg2); border-bottom: 1px solid var(--border); }
.stat-item {
  flex: 1; min-width: 160px; max-width: 220px;
  padding: 34px 24px; text-align: center;
  border-right: 1px solid var(--border); position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-item::before {
  content: ''; position: absolute; top: 0; left: 25%; right: 25%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: 0.4;
}
.stat-value {
  font-size: 38px; font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  font-variant-numeric: tabular-nums; line-height: 1.1;
}
.stat-label { font-size: 12px; color: var(--text2); margin-top: 6px; letter-spacing: 0.5px; }

/*  SECTION COMMONS  */
.pur-section { padding: 84px 40px; max-width: 1280px; margin: 0 auto; }
.pur-section-center { text-align: center; }
.section-tag-wrap { margin-bottom: 10px; }
.section-tag-wrap.center { text-align: center; }
.section-tag {
  display: inline-block; font-size: 11px; color: var(--cyan); font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 4px 14px; border-radius: 20px;
  background: rgba(34,211,238,0.07); border: 1px solid rgba(34,211,238,0.16);
}
.section-title { font-size: clamp(22px,3vw,36px); font-weight: 900; color: var(--text-h); margin-bottom: 14px; letter-spacing: -0.3px; }
.section-sub { font-size: 14px; color: var(--text2); max-width: 580px; line-height: 1.75; }
.section-header { margin-bottom: 56px; }
.section-header-center { text-align: center; }
.section-header-center .section-sub { margin: 0 auto; }
.center-sub { margin: 0 auto; }

/*  FEATURES  */
.features-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(290px,1fr)); gap: 20px; }
.feature-card {
  padding: 28px; border-radius: 16px;
  background: var(--card); border: 1px solid var(--border);
  backdrop-filter: blur(12px); position: relative; overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.feature-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34,211,238,0.45), transparent);
  opacity: 0; transition: opacity 0.25s;
}
.feature-card:hover { border-color: rgba(34,211,238,0.35); transform: translateY(-5px); box-shadow: 0 18px 50px rgba(34,211,238,0.09), 0 0 0 1px rgba(34,211,238,0.07); }
.feature-card:hover::after { opacity: 1; }
.feature-icon {
  width: 50px; height: 50px; border-radius: 12px;
  background: rgba(34,211,238,0.09); border: 1px solid rgba(34,211,238,0.16);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--cyan); margin-bottom: 16px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.feature-card:hover .feature-icon { transform: scale(1.1); box-shadow: 0 0 20px rgba(34,211,238,0.25); }
.feature-title { font-size: 16px; font-weight: 700; color: var(--text-h); margin-bottom: 8px; }
.feature-desc  { font-size: 13px; color: var(--text2); line-height: 1.65; }

/*  SCENARIOS  */
.scenarios-section { background: linear-gradient(180deg, transparent 0%, rgba(7,20,48,0.45) 50%, transparent 100%); }
.scenario-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 16px; }
.scenario-card {
  padding: 26px 20px; border-radius: 14px;
  background: rgba(14,165,233,0.05); border: 1px solid rgba(14,165,233,0.12);
  text-align: center; transition: border-color 0.22s, transform 0.22s, box-shadow 0.22s;
}
.scenario-card:hover { border-color: rgba(14,165,233,0.35); transform: translateY(-4px); box-shadow: 0 10px 28px rgba(14,165,233,0.10); }
.scenario-icon { font-size: 32px; color: var(--blue); margin-bottom: 12px; }
.scenario-title { font-size: 14px; font-weight: 700; color: var(--text-h); margin-bottom: 6px; }
.scenario-desc  { font-size: 12px; color: var(--text2); line-height: 1.55; }

/*  PLANS  */
.plans-section { background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(14,116,144,0.07), transparent 70%); }
.plans-bg { background: transparent; }
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(290px,1fr)); gap: 24px; align-items: start; padding-top: 16px; }
.plans-loading-hint { color: var(--text2); text-align: center; grid-column: 1/-1; padding: 48px; }
.plan-card {
  border-radius: 20px; background: var(--card); border: 1px solid var(--border);
  padding: 36px 30px; position: relative; backdrop-filter: blur(12px); transition: all 0.28s;
}
.plan-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34,211,238,0.45), transparent);
  border-radius: 20px 20px 0 0; opacity: 0; transition: opacity 0.28s;
}
.plan-card:hover::before { opacity: 1; }
.plan-card:hover { border-color: rgba(34,211,238,0.35); transform: translateY(-6px); box-shadow: 0 24px 64px rgba(34,211,238,0.10); }
.plan-card.highlight {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(34,211,238,0.18), 0 20px 64px rgba(34,211,238,0.18);
  background: linear-gradient(160deg, rgba(14,116,144,0.16) 0%, var(--card) 55%);
}
.plan-card.highlight::before { opacity: 1; }
.plan-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); padding: 4px 20px; border-radius: 20px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.plan-badge.cyan   { background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff; }
.plan-badge.orange { background: linear-gradient(135deg, #c2410c, var(--orange)); color: #fff; }
.plan-badge.purple { background: linear-gradient(135deg, #7c3aed, var(--purple)); color: #fff; }
.plan-name     { font-size: 22px; font-weight: 800; color: var(--text-h); margin-bottom: 6px; }
.plan-subtitle { font-size: 13px; color: var(--text2); margin-bottom: 24px; }
.plan-price    { display: flex; align-items: baseline; gap: 4px; margin-bottom: 6px; }
.plan-price-num {
  font-size: 46px; font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.plan-price-unit   { font-size: 15px; color: var(--text2); }
.plan-price-period { font-size: 12px; color: var(--text2); margin-bottom: 24px; }
.plan-divider      { height: 1px; background: var(--border); margin: 20px 0; }
.plan-features     { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 32px; }
.plan-features li  { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--text); }
.plan-features li .fi { color: var(--cyan); flex-shrink: 0; padding-top: 2px; }
.plan-features li .fx { color: var(--text2); }
.btn-plan { width: 100%; padding: 14px; border-radius: 12px; font-size: 15px; font-weight: 700; cursor: pointer; transition: all 0.22s; }
.btn-plan-primary { background: linear-gradient(135deg, #0369a1, var(--cyan)); border: none; color: #fff; box-shadow: 0 4px 18px rgba(34,211,238,0.30); }
.btn-plan-primary:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn-plan-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text); }
.btn-plan-outline:hover { border-color: var(--cyan); color: var(--cyan); }

/*  PROCESS  */
.process-section { text-align: center; }
.process-steps { display: flex; flex-wrap: wrap; justify-content: center; align-items: flex-start; }
.process-step { flex: 1; min-width: 200px; max-width: 280px; padding: 32px 20px 28px; text-align: center; position: relative; }
.step-connector {
  position: absolute; top: 52px; right: 0; width: 50%;
  height: 1px; background: linear-gradient(90deg, rgba(34,211,238,0.08), var(--cyan)); opacity: 0.3;
}
.process-step:last-child .step-connector { display: none; }
.step-num-wrap { position: relative; display: inline-block; margin-bottom: 12px; }
.step-num {
  width: 50px; height: 50px; border-radius: 50%;
  background: rgba(34,211,238,0.07); border: 1.5px solid rgba(34,211,238,0.35);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: var(--cyan); position: relative; z-index: 1;
}
.step-pulse {
  position: absolute; top: -5px; left: -5px; right: -5px; bottom: -5px;
  border-radius: 50%; border: 1.5px solid rgba(34,211,238,0.28);
  animation: step-pulse 2.4s ease-in-out infinite;
}
@keyframes step-pulse { 0%,100%{transform:scale(1);opacity:0.6;} 50%{transform:scale(1.22);opacity:0;} }
.step-icon { font-size: 26px; color: var(--cyan); margin-bottom: 12px; opacity: 0.65; }
.step-title { font-size: 15px; font-weight: 700; color: var(--text-h); margin-bottom: 8px; }
.step-desc  { font-size: 12px; color: var(--text2); line-height: 1.6; }

/*  GUARANTEE  */
.guarantee-section { background: linear-gradient(180deg, transparent, rgba(7,20,48,0.5), transparent); }
.guarantee-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 20px; }
.guarantee-card {
  padding: 32px 24px; border-radius: 16px;
  border: 1px solid var(--border); background: var(--card);
  backdrop-filter: blur(12px); text-align: center;
  transition: border-color 0.22s, transform 0.22s, box-shadow 0.22s;
}
.guarantee-card:hover { border-color: rgba(34,211,238,0.28); transform: translateY(-4px); box-shadow: 0 14px 40px rgba(0,0,0,0.3); }
.guarantee-icon {
  width: 58px; height: 58px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin: 0 auto 18px; transition: transform 0.22s;
}
.guarantee-card:hover .guarantee-icon { transform: scale(1.1); }
.gc-cyan   { background: rgba(34,211,238,0.10); border: 1px solid rgba(34,211,238,0.18); color: var(--cyan); }
.gc-purple { background: rgba(129,140,248,0.10); border: 1px solid rgba(129,140,248,0.18); color: var(--purple); }
.gc-orange { background: rgba(249,115,22,0.10); border: 1px solid rgba(249,115,22,0.18); color: var(--orange); }
.gc-green  { background: rgba(52,211,153,0.10); border: 1px solid rgba(52,211,153,0.18); color: var(--green); }
.guarantee-title { font-size: 16px; font-weight: 700; color: var(--text-h); margin-bottom: 10px; }
.guarantee-desc  { font-size: 13px; color: var(--text2); line-height: 1.65; }

/*  FINAL CTA  */
.final-cta-section { padding: 0 40px 100px; }
.final-cta-box {
  position: relative; border-radius: 24px;
  border: 1px solid rgba(34,211,238,0.22);
  background: linear-gradient(130deg, rgba(14,116,144,0.14) 0%, rgba(99,102,241,0.10) 100%);
  max-width: 1200px; margin: 0 auto;
  overflow: hidden; padding: 80px 40px; text-align: center;
  box-shadow: 0 0 0 1px rgba(34,211,238,0.06), 0 32px 96px rgba(34,211,238,0.07);
}
.final-cta-orb-1, .final-cta-orb-2 { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; }
.final-cta-orb-1 { width: 400px; height: 400px; background: radial-gradient(rgba(14,165,233,0.14),transparent 70%); top: -160px; left: -80px; }
.final-cta-orb-2 { width: 360px; height: 360px; background: radial-gradient(rgba(99,102,241,0.12),transparent 70%); bottom: -120px; right: -60px; }
.final-cta-inner { position: relative; z-index: 1; }
.final-cta-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 16px; border-radius: 20px;
  background: rgba(34,211,238,0.09); border: 1px solid rgba(34,211,238,0.20);
  color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; margin-bottom: 24px;
}
.final-cta-title { font-size: clamp(24px,3.5vw,42px); font-weight: 900; color: var(--text-h); margin-bottom: 16px; letter-spacing: -0.3px; }
.final-cta-sub { font-size: 15px; color: var(--text2); margin-bottom: 44px; line-height: 1.75; }
.final-cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-final-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 44px; border-radius: 12px;
  background: linear-gradient(135deg, #0369a1, var(--cyan));
  border: none; color: #fff; font-size: 16px; font-weight: 700;
  cursor: pointer; transition: all 0.25s; box-shadow: 0 4px 28px rgba(34,211,238,0.38);
}
.btn-final-primary:hover { filter: brightness(1.12); transform: translateY(-2px); }
.btn-final-trial {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 36px; border-radius: 12px;
  background: rgba(34,211,238,0.08); border: 1.5px solid rgba(34,211,238,0.30);
  color: var(--cyan); font-size: 16px; font-weight: 600;
  cursor: pointer; transition: all 0.22s;
}
.btn-final-trial:hover { background: rgba(34,211,238,0.15); transform: translateY(-1px); }

/*  CONTACT  */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 20px; margin-bottom: 20px; }
.contact-card {
  position: relative; background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 30px 24px; backdrop-filter: blur(12px);
  transition: border-color 0.22s, transform 0.22s, box-shadow 0.22s;
}
.contact-card:hover { border-color: rgba(34,211,238,0.35); transform: translateY(-3px); box-shadow: 0 12px 36px rgba(34,211,238,0.08); }
.contact-card-main {
  border-color: rgba(34,211,238,0.30);
  box-shadow: 0 0 0 1px rgba(34,211,238,0.08), 0 12px 40px rgba(34,211,238,0.10);
  background: linear-gradient(160deg, rgba(14,116,144,0.12) 0%, var(--card-s) 60%);
}
.contact-card-main:hover { box-shadow: 0 0 0 1px rgba(34,211,238,0.22), 0 16px 48px rgba(34,211,238,0.16); }
.contact-card-top-line {
  position: absolute; top: 0; left: 10%; right: 10%; height: 2px; border-radius: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--purple), transparent);
  background-size: 200% auto; animation: contact-line-sweep 3.5s linear infinite;
}
@keyframes contact-line-sweep { 0%{background-position:-100% center;} 100%{background-position:200% center;} }
.contact-card-icon { width: 50px; height: 50px; border-radius: 12px; background: rgba(34,211,238,0.09); border: 1px solid rgba(34,211,238,0.16); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--cyan); margin-bottom: 14px; }
.contact-card-icon-main { width: 56px; height: 56px; font-size: 24px; background: rgba(34,211,238,0.14); box-shadow: 0 0 20px rgba(34,211,238,0.22); }
.contact-card-type { font-size: 11px; font-weight: 700; color: var(--cyan); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 4px; }
.contact-card-name { font-size: 18px; font-weight: 800; color: var(--text-h); margin-bottom: 18px; }
.contact-card-items { display: flex; flex-direction: column; gap: 10px; }
.contact-item { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--text2); text-decoration: none; transition: color 0.18s; line-height: 1.5; }
.contact-item i { font-size: 13px; color: var(--cyan); opacity: 0.70; flex-shrink: 0; margin-top: 1px; }
a.contact-item:hover { color: var(--text-h); }
a.contact-item:hover i { opacity: 1; }
.contact-note { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 12px; color: var(--text2); padding: 14px 20px; border-radius: 10px; background: rgba(34,211,238,0.04); border: 1px solid rgba(34,211,238,0.10); }
.contact-note i { color: var(--cyan); }
.qr-wrap { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(34,211,238,0.10); display: flex; flex-direction: column; align-items: center; gap: 8px; }
.qr-img-box { width: 90px; height: 90px; border-radius: 10px; border: 1.5px solid rgba(34,211,238,0.25); padding: 5px; background: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 14px rgba(34,211,238,0.10); transition: box-shadow 0.22s, border-color 0.22s; }
.contact-card:hover .qr-img-box, .contact-card-main .qr-img-box { box-shadow: 0 0 24px rgba(34,211,238,0.22); border-color: rgba(34,211,238,0.55); }
.qr-img-box svg { width: 100%; height: 100%; display: block; }
.qr-label { font-size: 11px; color: var(--text2); display: flex; align-items: center; gap: 4px; }
.qr-label i { color: #07c160; font-size: 12px; }

/*  FOOTER  */
.pur-footer { padding: 36px 40px 40px; text-align: center; border-top: 1px solid var(--border); background: rgba(2,10,25,0.92); color: var(--text2); font-size: 13px; line-height: 1.8; }
.pur-footer-brand {
  font-size: 14px; font-weight: 700;
  background: linear-gradient(90deg, #7dd3fc, #fff, var(--cyan), #a5f3fc);
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: pur-shimmer 5s linear infinite; margin-bottom: 6px;
}
@keyframes pur-shimmer { 0%{background-position:-100% center;} 100%{background-position:200% center;} }
.footer-note { font-size: 12px; color: var(--text2); margin-top: 4px; }
.pur-footer-links { margin-top: 16px; display: flex; gap: 16px; justify-content: center; align-items: center; }
.pur-footer-links a { color: var(--text2); text-decoration: none; font-size: 13px; transition: color 0.18s; display: inline-flex; align-items: center; gap: 5px; }
.pur-footer-links a:hover { color: var(--cyan); }

/*  TOAST  */
#pur-toast-container { position: fixed; top: 80px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.pur-toast { padding: 11px 18px; border-radius: 10px; font-size: 13px; color: #fff; max-width: 340px; word-break: break-word; animation: t-in 0.25s ease; box-shadow: 0 4px 20px rgba(0,0,0,0.4); backdrop-filter: blur(8px); }
.pur-toast.success { background: rgba(6,40,30,0.95); border: 1px solid #22c55e; }
.pur-toast.err     { background: rgba(50,10,10,0.95); border: 1px solid #ef4444; }
.pur-toast.info    { background: rgba(5,25,60,0.95); border: 1px solid var(--cyan); }
@keyframes t-in { from{opacity:0;transform:translateX(20px);} to{opacity:1;transform:none;} }

/*  MODAL  */
.modal-mask { position: fixed; inset: 0; z-index: 1000; background: rgba(2,10,25,0.82); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; pointer-events: none; transition: opacity 0.25s; }
.modal-mask.open { opacity: 1; pointer-events: all; }
.modal-box { background: rgba(4,14,38,0.98); border: 1px solid rgba(34,211,238,0.22); border-radius: 18px; width: 100%; max-width: 600px; max-height: 90vh; overflow-y: auto; transform: translateY(18px); transition: transform 0.25s; box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(34,211,238,0.06); }
.modal-mask.open .modal-box { transform: none; }
.modal-box.large { max-width: 900px; }
.modal-hd { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px 0; }
.modal-hd-title { font-size: 17px; font-weight: 700; color: var(--text-h); }
.modal-hd-close { width: 30px; height: 30px; border-radius: 8px; background: transparent; border: 1px solid var(--border); color: var(--text2); cursor: pointer; font-size: 14px; display: flex; align-items: center; justify-content: center; transition: all 0.18s; }
.modal-hd-close:hover { border-color: var(--cyan); color: var(--cyan); }
.modal-bd { padding: 20px 24px 24px; }

/* trial modal */
.trial-intro { display: flex; gap: 12px; align-items: flex-start; background: rgba(34,211,238,0.05); border: 1px solid rgba(34,211,238,0.14); border-radius: 10px; padding: 14px 16px; margin-bottom: 20px; font-size: 13.5px; color: var(--text2); line-height: 1.65; }
.trial-intro-icon { color: var(--cyan); font-size: 18px; margin-top: 2px; flex-shrink: 0; }
.trial-credentials { background: rgba(4,15,34,0.6); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin-bottom: 16px; }
.trial-cred-row { display: flex; align-items: center; gap: 10px; padding: 11px 16px; border-bottom: 1px solid var(--border); }
.trial-cred-row:last-child { border-bottom: none; }
.trial-cred-label { font-size: 12px; color: var(--text2); width: 48px; flex-shrink: 0; }
.trial-cred-value { font-family: monospace; font-size: 15px; font-weight: 700; color: var(--text-h); flex: 1; }
.trial-copy-btn { background: rgba(34,211,238,0.08); border: 1px solid rgba(34,211,238,0.20); color: var(--text2); border-radius: 6px; padding: 4px 10px; cursor: pointer; font-size: 12px; transition: all 0.18s; flex-shrink: 0; }
.trial-copy-btn:hover { background: rgba(34,211,238,0.18); color: var(--cyan); }
.trial-tips { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 20px; font-size: 12.5px; color: var(--text2); }
.trial-tips span { display: flex; align-items: center; gap: 6px; }
.trial-tips .fa-circle-check { color: var(--green); }
.trial-tips .fa-circle-xmark { color: #f87171; }
.btn-trial-go { display: block; text-align: center; text-decoration: none; padding: 13px 24px; border-radius: 10px; background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff; font-size: 14px; font-weight: 700; box-shadow: 0 4px 18px rgba(34,211,238,0.28); transition: filter 0.2s, transform 0.2s; }
.btn-trial-go:hover { filter: brightness(1.1); transform: translateY(-1px); }

/* preview modal */
.preview-tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.preview-tab { padding: 9px 18px; border-radius: 8px 8px 0 0; background: transparent; border: none; color: var(--text2); font-size: 13px; cursor: pointer; transition: all 0.18s; border-bottom: 2px solid transparent; }
.preview-tab.active { color: var(--cyan); border-bottom-color: var(--cyan); font-weight: 600; }
.preview-pane { display: none; }
.preview-pane.active { display: block; }
.preview-features-list { display: flex; flex-direction: column; gap: 12px; }
.pf-item { display: flex; align-items: flex-start; gap: 12px; padding: 14px; border-radius: 10px; background: rgba(34,211,238,0.04); border: 1px solid var(--border); }
.pf-icon { width: 36px; height: 36px; border-radius: 8px; background: rgba(34,211,238,0.10); display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--cyan); flex-shrink: 0; }
.pf-title { font-size: 14px; font-weight: 600; color: var(--text-h); margin-bottom: 3px; }
.pf-desc  { font-size: 12px; color: var(--text2); line-height: 1.5; }
.preview-stats-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.ps-card { text-align: center; padding: 20px 10px; border-radius: 10px; background: rgba(14,165,233,0.06); border: 1px solid rgba(14,165,233,0.15); }
.ps-val { font-size: 28px; font-weight: 800; color: var(--cyan); }
.ps-key { font-size: 12px; color: var(--text2); margin-top: 4px; }
.preview-scenarios-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.psc-item { padding: 14px; border-radius: 10px; background: rgba(34,211,238,0.04); border: 1px solid var(--border); display: flex; align-items: flex-start; gap: 10px; }
.psc-icon { font-size: 20px; color: var(--blue); flex-shrink: 0; padding-top: 2px; }
.psc-title { font-size: 13px; font-weight: 600; color: var(--text-h); margin-bottom: 3px; }
.psc-desc  { font-size: 12px; color: var(--text2); }

/* order form */
.plan-summary { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-radius: 10px; background: rgba(34,211,238,0.06); border: 1px solid rgba(34,211,238,0.15); margin-bottom: 16px; }
.plan-summary-name  { font-size: 14px; font-weight: 700; color: var(--text-h); }
.plan-summary-price { font-size: 18px; font-weight: 800; color: var(--cyan); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group-p { margin-bottom: 14px; }
.form-group-p label { display: block; font-size: 12px; color: var(--text2); margin-bottom: 5px; font-weight: 500; }
.form-group-p input, .form-group-p select { width: 100%; padding: 10px 12px; border-radius: 8px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--text-h); font-size: 13px; transition: border-color 0.18s, box-shadow 0.18s; outline: none; }
.form-group-p input:focus, .form-group-p select:focus { border-color: rgba(34,211,238,0.55); box-shadow: 0 0 0 3px rgba(34,211,238,0.08); }
.form-group-p input::placeholder { color: #475569; }
.form-group-p select option { background: #040f22; }
.form-error-tip { color: #f87171; font-size: 11px; margin-top: 3px; display: none; }
.form-error-tip.show { display: block; }
.label-required { color: #f87171; }
.form-privacy-note { font-size: 12px; color: var(--text2); margin-bottom: 16px; display: flex; align-items: flex-start; gap: 6px; line-height: 1.6; }

/* 协议勾选区 */
.order-agreement-wrap { margin-bottom: 14px; display: flex; flex-direction: row; gap: 10px; }
.order-agreement-row {
  flex: 1; display: flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 10px 14px; border-radius: 10px;
  background: rgba(34,211,238,0.04); border: 1px solid var(--border);
  transition: border-color 0.2s, background 0.2s;
  user-select: none;
}
.order-agreement-row:has(.order-agree-cb:checked) {
  border-color: rgba(34,211,238,0.35); background: rgba(34,211,238,0.07);
}
.order-agreement-row.agree-error { border-color: rgba(248,113,113,0.55); background: rgba(248,113,113,0.04); }
.order-agree-cb { display: none; }
.order-agree-box {
  width: 18px; height: 18px; border-radius: 5px; flex-shrink: 0;
  border: 1.5px solid rgba(34,211,238,0.35); background: transparent;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.18s, border-color 0.18s;
}
.order-agree-cb:checked + .order-agree-box {
  background: var(--cyan); border-color: var(--cyan);
}
.order-agree-check { color: #020c1b; font-size: 10px; opacity: 0; transition: opacity 0.15s; }
.order-agree-cb:checked + .order-agree-box .order-agree-check { opacity: 1; }
.order-agree-text { font-size: 13px; color: var(--text2); line-height: 1.5; }
.btn-agreement-link {
  background: none; border: none; padding: 0;
  color: var(--cyan); font-size: 13px; cursor: pointer;
  text-decoration: underline; text-underline-offset: 2px;
  transition: color 0.18s;
}
.btn-agreement-link:hover { color: #7dd3fc; }

/* 协议文档样式 */
.agreement-doc { max-height: 340px; overflow-y: auto; padding-right: 6px; font-size: 13px; color: var(--text2); line-height: 1.75; margin-bottom: 20px; }
.agreement-doc::-webkit-scrollbar { width: 4px; }
.agreement-doc::-webkit-scrollbar-track { background: transparent; }
.agreement-doc::-webkit-scrollbar-thumb { background: rgba(34,211,238,0.25); border-radius: 2px; }
.agreement-doc h3 { font-size: 13px; font-weight: 700; color: var(--text-h); margin: 14px 0 5px; }
.agreement-doc h3:first-child { margin-top: 0; }
.agreement-doc p { margin: 0 0 8px; }
.btn-agree-confirm {
  display: flex; width: 100%; padding: 13px; border-radius: 10px;
  justify-content: center; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #0369a1, var(--cyan));
  border: none; color: #fff; font-size: 14px; font-weight: 700;
  cursor: pointer; box-shadow: 0 4px 16px rgba(34,211,238,0.25); transition: all 0.22s;
}
.btn-agree-confirm:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-full-lg { display: flex; width: 100%; padding: 14px; border-radius: 10px; justify-content: center; align-items: center; gap: 8px; background: linear-gradient(135deg, #0369a1, var(--cyan)); border: none; color: #fff; font-size: 15px; font-weight: 700; cursor: pointer; box-shadow: 0 4px 16px rgba(34,211,238,0.25); transition: all 0.22s; }
.btn-full-lg:hover { filter: brightness(1.12); }

/* payment modal */
.payment-info { text-align: center; padding: 20px 0; }
.payment-amount { font-size: 36px; font-weight: 900; color: var(--cyan); margin-bottom: 4px; }
.payment-amount-label { font-size: 13px; color: var(--text2); margin-bottom: 24px; }
.sim-tip { font-size: 13px; color: var(--text2); text-align: center; margin-bottom: 16px; }
.sim-mode-label { color: var(--orange); }
.payment-qr-mock { width: 140px; height: 140px; margin: 0 auto 10px; background: repeating-conic-gradient(rgba(14,165,233,0.12) 0% 25%, transparent 0% 50%) 0/10px 10px; border: 2px solid rgba(34,211,238,0.25); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 48px; }
.qr-mock-icon { color: rgba(34,211,238,0.22); }
.qr-mock-label { font-size: 12px; color: var(--text2); text-align: center; margin-bottom: 16px; }
.pay-real-intro { font-size: 13px; color: var(--text2); text-align: center; margin-bottom: 16px; }
.bank-info-box { background: rgba(14,165,233,0.05); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin-bottom: 16px; }
.bank-info-row { display: flex; justify-content: space-between; align-items: center; padding: 11px 16px; border-bottom: 1px solid var(--border); font-size: 13px; }
.bank-info-row:last-child { border-bottom: none; }
.bk-label { color: var(--text2); }
.bk-val { color: var(--text-h); font-weight: 600; }
.bank-info-tip { font-size: 12px; color: var(--orange); text-align: center; margin-bottom: 16px; }
.btn-full { display: flex; width: 100%; padding: 14px; border-radius: 10px; justify-content: center; align-items: center; gap: 8px; background: linear-gradient(135deg, #0369a1, var(--cyan)); border: none; color: #fff; font-size: 15px; font-weight: 700; cursor: pointer; box-shadow: 0 4px 16px rgba(34,211,238,0.25); transition: all 0.22s; }
.btn-full:hover { filter: brightness(1.12); }
.btn-full-mb { display: flex; width: 100%; padding: 14px; margin-bottom: 10px; border-radius: 10px; justify-content: center; align-items: center; gap: 8px; background: linear-gradient(135deg, #0369a1, var(--cyan)); border: none; color: #fff; font-size: 15px; font-weight: 700; cursor: pointer; box-shadow: 0 4px 16px rgba(34,211,238,0.25); transition: all 0.22s; }
.btn-full-mb:hover { filter: brightness(1.12); }
.pay-real-note { font-size: 11px; color: var(--text2); text-align: center; }
#pay-real-area { display: none; }

/* success modal */
.modal-title-success { color: var(--green); }
.success-icon { width: 72px; height: 72px; border-radius: 50%; background: rgba(52,211,153,0.08); border: 2px solid var(--green); display: flex; align-items: center; justify-content: center; font-size: 32px; color: var(--green); margin: 0 auto 20px; }
.success-title { text-align: center; font-size: 20px; font-weight: 800; color: var(--text-h); margin-bottom: 6px; }
.success-sub   { text-align: center; font-size: 13px; color: var(--text2); margin-bottom: 24px; }
.cred-box { background: rgba(4,14,34,1); border: 1px solid var(--border-b); border-radius: 10px; overflow: hidden; margin-bottom: 16px; }
.cred-row { display: flex; justify-content: space-between; align-items: center; padding: 11px 16px; border-bottom: 1px solid var(--border); font-size: 13px; }
.cred-row:last-child { border-bottom: none; }
.cred-label { color: var(--text2); }
.cred-val { font-weight: 700; color: var(--cyan); font-family: monospace; word-break: break-all; text-align: right; }
.cred-warn { display: flex; gap: 10px; padding: 12px; border-radius: 10px; background: rgba(249,115,22,0.07); border: 1px solid rgba(249,115,22,0.20); font-size: 12px; color: #fb923c; line-height: 1.6; margin-bottom: 16px; }
.cred-warn i { color: #fbbf24; font-size: 14px; flex-shrink: 0; margin-top: 2px; }
.btn-close-style { display: block; width: 100%; padding: 12px; border-radius: 10px; text-align: center; background: transparent; border: 1.5px solid var(--border); color: var(--text2); font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.22s; }
.btn-close-style:hover { border-color: var(--text2); color: var(--text); }

/* pending modal */
.real-pending-box { text-align: center; }
.pending-icon { font-size: 48px; color: var(--orange); margin-bottom: 14px; }
.pending-title { font-size: 18px; font-weight: 800; color: var(--text-h); margin-bottom: 10px; }
.pending-desc  { font-size: 13px; color: var(--text2); line-height: 1.7; margin-bottom: 20px; }
.pending-cyan  { color: var(--cyan); }
.pending-order-label { font-size: 12px; color: var(--text2); margin-bottom: 6px; }
.pending-order-id { font-family: monospace; font-size: 12px; color: var(--cyan); background: rgba(34,211,238,0.06); border: 1px solid var(--border); border-radius: 8px; padding: 10px 16px; margin-bottom: 4px; word-break: break-all; }
.modal-icon-orange { color: var(--orange); }
.btn-full-mt { display: flex; width: 100%; padding: 14px; margin-top: 20px; border-radius: 10px; justify-content: center; align-items: center; gap: 8px; background: linear-gradient(135deg, #0369a1, var(--cyan)); border: none; color: #fff; font-size: 15px; font-weight: 700; cursor: pointer; box-shadow: 0 4px 16px rgba(34,211,238,0.25); transition: all 0.22s; }
.btn-full-mt:hover { filter: brightness(1.12); }

/* compat / helper */
.icon-cyan-mr { color: var(--cyan); margin-right: 6px; }
.icon-cyan    { color: var(--cyan); }
.icon-orange  { color: var(--orange); }
.pur-section-center { text-align: center; }
.section-header-center { text-align: center; }
.btn-trial { padding: 13px 28px; border-radius: 10px; background: rgba(251,191,36,0.10); border: 1.5px solid rgba(251,191,36,0.45); color: #fbbf24; font-size: 15px; font-weight: 700; cursor: pointer; transition: all 0.22s; }
.btn-trial:hover { background: rgba(251,191,36,0.18); transform: translateY(-1px); }

/*  RESPONSIVE  */
@media (max-width: 960px) {
  .contact-grid { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; align-items: center; }
  .step-connector { display: none; }
  .guarantee-grid { grid-template-columns: 1fr 1fr; }
  .final-cta-section { padding: 0 20px 80px; }
  .final-cta-box { padding: 56px 28px; }
}
@media (max-width: 768px) {
  .pur-nav  { padding: 0 16px; }
  .pur-hero { padding: 80px 20px 70px; }
  .pur-section { padding: 60px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .preview-stats-grid { grid-template-columns: repeat(2,1fr); }
  .preview-scenarios-list { grid-template-columns: 1fr; }
  .modal-box { max-height: 95vh; }
  .guarantee-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero-title { font-size: 28px; }
  .pur-nav-title { display: none; }
  .final-cta-section { padding: 0 16px 60px; }
}