/* ═══════════════════════════════════════════════════════════════════
   SSLS.VIP Theme — index.css
   首页专属：3D 证书立体卡 hero / CA 品牌墙 / 产品矩阵 / 流程 / 套餐 / 信任
   ═══════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════
   HERO · 大字标语 + 3D 证书堆
   ═══════════════════════════════════════════════════════ */
.vip-hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
  min-height: 720px;
}
.vip-hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -300px;
  width: 900px; height: 900px;
  background: radial-gradient(circle, rgba(123, 79, 224, 0.18), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.vip-hero::after {
  content: '';
  position: absolute;
  bottom: -200px; left: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.08), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.vip-hero .hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
@media (max-width: 980px) { .vip-hero .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

/* 左侧文案 */
.vip-hero .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  background: var(--gold-veil);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold-light);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.vip-hero .hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--gold);
}

.vip-hero h1.hero-title {
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(40px, 5.5vw, 76px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 16px;
}
.vip-hero h1.hero-title .line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 0.3em;
  row-gap: 0.1em;
}
.vip-hero h1.hero-title .hl {
  display: inline-block;
  padding: 0 0.18em 0 0.04em;
  background: linear-gradient(135deg, var(--gold-glow), var(--gold));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 600;
}
.vip-hero h1.hero-title .dot {
  width: 8px; height: 8px;
  background: var(--gold);
  border-radius: 50%;
  display: inline-block;
  vertical-align: middle;
  margin: 0 12px;
  box-shadow: 0 0 12px var(--gold);
}

.vip-hero .hero-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 36px;
}

.vip-hero .hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.vip-hero .hero-actions .btn {
  padding: 14px 32px;
  font-size: 14px;
  letter-spacing: 0.06em;
}

/* hero stats */
.vip-hero .hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--gold-veil);
}
.vip-hero .hero-stat .figure {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 28px;
  color: var(--gold-light);
  line-height: 1;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.vip-hero .hero-stat .figure .unit {
  font-size: 14px;
  color: var(--gold);
  font-weight: 500;
}
.vip-hero .hero-stat .label {
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 6px;
}

/* 右侧 · 3D 证书堆 */
.cert-stage {
  position: relative;
  height: 540px;
  perspective: 1600px;
  perspective-origin: center 30%;
}
.cert-stage .cert-card {
  position: absolute;
  width: 100%;
  max-width: 540px;
  aspect-ratio: 5/3;
  background: linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev-1));
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  left: 50%;
  transform-origin: center;
}
.cert-stage .cert-card.dv {
  top: 24%;
  transform: translateX(-50%) rotateX(8deg) rotateY(-14deg) translateZ(0) scale(0.9);
  z-index: 1;
}
.cert-stage .cert-card.ov {
  top: 12%;
  transform: translateX(-50%) rotateX(4deg) rotateY(-6deg) translateZ(40px) scale(0.95);
  z-index: 2;
}
.cert-stage .cert-card.ev {
  top: 0%;
  transform: translateX(-50%) rotateX(0deg) rotateY(2deg) translateZ(80px) scale(1);
  z-index: 3;
  border-color: var(--gold);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 0 1px var(--gold-line),
    0 0 32px rgba(212, 175, 55, 0.2);
}
.cert-stage:hover .cert-card.dv { transform: translateX(-50%) rotateX(8deg) rotateY(-16deg) translateZ(-20px) scale(0.88); }
.cert-stage:hover .cert-card.ov { transform: translateX(-50%) rotateX(4deg) rotateY(-6deg) translateZ(20px) scale(0.93); }
.cert-stage:hover .cert-card.ev { transform: translateX(-50%) rotateX(-2deg) rotateY(4deg) translateZ(100px) scale(1.02); }

.cert-card .cert-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gold-veil);
  margin-bottom: 20px;
}
.cert-card .cert-tier {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, var(--gold-glow), var(--gold));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
  padding: 0 0.04em;
}
.cert-card .cert-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-light);
  letter-spacing: 0.15em;
  padding: 4px 10px;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-xs);
}
.cert-card .cert-body {
  font-family: var(--font-cn);
}
.cert-card .cert-body .row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 12.5px;
}
.cert-card .cert-body .row .key {
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
.cert-card .cert-body .row .val {
  color: var(--ink);
  font-weight: 500;
  font-family: var(--font-mono);
}
.cert-card .cert-foot {
  position: absolute;
  bottom: 20px; left: 36px; right: 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--gold-veil);
}
.cert-card .cert-foot .price-tag {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--gold-glow);
  font-size: 18px;
}
.cert-card .cert-foot .price-tag .currency {
  color: var(--gold-light);
  font-size: 13px;
  margin-right: 2px;
}
.cert-card .cert-foot .price-tag .period {
  font-family: var(--font-body);
  color: var(--ink-mute);
  font-size: 11px;
  margin-left: 4px;
}
.cert-card .cert-seal {
  width: 32px; height: 32px;
  background: var(--gold-veil);
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--gold);
  font-size: 14px;
}

@media (max-width: 980px) {
  .cert-stage { height: 380px; perspective: 1200px; }
  .cert-stage .cert-card { padding: 24px; max-width: 100%; }
  .cert-stage .cert-card.dv, .cert-stage .cert-card.ov, .cert-stage .cert-card.ev {
    left: 50%;
  }
}

/* ═══════════════════════════════════════════════════════
   品牌墙 (CA brands)
   ═══════════════════════════════════════════════════════ */
.brand-wall-section {
  padding: 60px 0;
  border-top: 1px solid var(--gold-veil);
  border-bottom: 1px solid var(--gold-veil);
}
.brand-wall-section .section-eyebrow {
  text-align: center;
  display: block;
  margin-bottom: 40px;
}
.brand-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--gold-veil);
  border: 1px solid var(--gold-veil);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 760px) { .brand-wall { grid-template-columns: repeat(3, 1fr); } }
.brand-cell {
  background: var(--bg-base);
  padding: 32px 16px;
  display: grid;
  place-items: center;
  transition: background 0.2s;
  min-height: 92px;
}
.brand-cell:hover { background: var(--gold-veil); }
.brand-cell .brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
  transition: color 0.2s, transform 0.2s;
  white-space: nowrap;
}
.brand-cell:hover .brand-name {
  color: var(--gold-light);
  transform: scale(1.05);
}

/* ═══════════════════════════════════════════════════════
   产品矩阵 (4 cards: SSL · 域名 · 云服务器 · 物理服务器)
   ═══════════════════════════════════════════════════════ */
.products-section {
  padding: 100px 0;
}
.section-head-center {
  text-align: center;
  margin-bottom: 56px;
}
.section-head-center h2 {
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 16px;
}
.section-head-center .section-lead {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 1100px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .products-grid { grid-template-columns: 1fr; } }

.prod-card {
  position: relative;
  background: linear-gradient(180deg, var(--bg-elev-1), var(--bg-elev-2));
  border: 1px solid var(--gold-veil);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.prod-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.prod-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-line);
  box-shadow: var(--shadow-card);
}
.prod-card:hover::before { opacity: 1; }

.prod-card .prod-num {
  position: absolute;
  top: 24px; right: 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-light);
  letter-spacing: 0.2em;
  font-weight: 600;
}
.prod-card .prod-icon {
  width: 56px; height: 56px;
  background: var(--gold-veil);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  color: var(--gold);
  font-size: 22px;
}
.prod-card .prod-icon > span,
.prod-card .prod-icon i,
.prod-card .prod-icon .fas {
  font-size: 22px;
  color: var(--gold);
  line-height: 1;
  display: inline-block;
}
.prod-card h3 {
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 4px;
}
.prod-card .prod-sub {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  color: var(--gold-light);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.prod-card .prod-desc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.65;
  margin-bottom: 24px;
  min-height: 42px;
}
.prod-card .prod-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--gold-veil);
}
.prod-card .price-from {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.prod-card .price-from .from-label {
  font-size: 10px;
  color: var(--ink-mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.prod-card .price-from .price-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 22px;
  color: var(--gold-light);
  letter-spacing: -0.01em;
}
.prod-card .prod-arrow {
  width: 36px; height: 36px;
  border: 1px solid var(--gold-line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--gold-light);
  transition: all 0.25s;
}
.prod-card:hover .prod-arrow {
  background: var(--gold);
  color: var(--bg-deep);
  border-color: var(--gold);
  transform: rotate(-45deg);
}

/* ═══════════════════════════════════════════════════════
   流程 4 步
   ═══════════════════════════════════════════════════════ */
.process-section {
  padding: 80px 0;
  background:
    radial-gradient(ellipse at center, rgba(212, 175, 55, 0.05), transparent 60%),
    var(--bg-deep);
  border-top: 1px solid var(--gold-veil);
  border-bottom: 1px solid var(--gold-veil);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12%; right: 12%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--gold-line) 0 6px, transparent 6px 14px);
  z-index: 0;
}
@media (max-width: 760px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 2;
}
.process-step .step-num {
  width: 72px; height: 72px;
  margin: 0 auto 16px;
  background: var(--bg-base);
  border: 1px solid var(--gold-line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 28px;
  color: var(--gold-light);
  position: relative;
}
.process-step .step-num::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px dashed var(--gold-veil);
  border-radius: 50%;
}
.process-step h4 {
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 6px;
}
.process-step p {
  font-size: 12.5px;
  color: var(--ink-mute);
  line-height: 1.6;
  margin: 0;
}

/* ═══════════════════════════════════════════════════════
   套餐 3 卡片
   ═══════════════════════════════════════════════════════ */
.pricing-section {
  padding: 100px 0;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 980px) { .pricing-grid { grid-template-columns: 1fr; } }

.pricing-card {
  position: relative;
  background: linear-gradient(180deg, var(--bg-elev-1), var(--bg-elev-2));
  border: 1px solid var(--gold-veil);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all 0.3s;
}
.pricing-card.featured {
  background:
    linear-gradient(180deg, rgba(212, 175, 55, 0.06), transparent 30%),
    linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev-3));
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-12px);
}
.pricing-card.featured::before {
  content: 'MOST POPULAR · 推荐';
  position: absolute;
  top: -1px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold-glow), var(--gold));
  color: var(--bg-deep);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 7px 24px;
  border-radius: 0 0 12px 12px;
  z-index: 2;
}

.pricing-card .tier-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  margin-bottom: 4px;
}
.pricing-card .tier-sub {
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 13px;
  color: var(--gold-light);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.pricing-card .tier-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding: 16px 0 12px;
  border-bottom: 1px solid var(--gold-veil);
  margin-bottom: 24px;
}
.pricing-card .tier-price .currency {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--gold-light);
}
.pricing-card .tier-price .amount {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 48px;
  color: var(--gold-glow);
  line-height: 1;
  letter-spacing: -0.03em;
}
.pricing-card .tier-price .period {
  font-size: 13px;
  color: var(--ink-mute);
  margin-left: 6px;
}

.pricing-card .tier-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
}
.pricing-card .tier-features li {
  padding: 10px 0;
  font-size: 13.5px;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px dashed var(--gold-veil);
}
.pricing-card .tier-features li:last-child { border-bottom: none; }
.pricing-card .tier-features li::before {
  content: '✓';
  width: 18px; height: 18px;
  background: var(--gold-veil);
  color: var(--gold);
  border: 1px solid var(--gold-line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card .tier-btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 14px;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--gold-light);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  transition: all 0.25s;
}
.pricing-card .tier-btn:hover {
  background: var(--gold-veil);
  border-color: var(--gold);
  color: var(--gold-glow);
}
.pricing-card.featured .tier-btn {
  background: linear-gradient(135deg, var(--gold-glow), var(--gold));
  color: var(--bg-deep);
  border-color: var(--gold);
}
.pricing-card.featured .tier-btn:hover {
  box-shadow: var(--shadow-gold-strong);
  transform: translateY(-1px);
}

/* ═══════════════════════════════════════════════════════
   信任 4 统计
   ═══════════════════════════════════════════════════════ */
.trust-section {
  padding: 80px 0;
  background: var(--bg-deep);
  border-top: 1px solid var(--gold-veil);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gold-veil);
  border: 1px solid var(--gold-veil);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 760px) { .trust-grid { grid-template-columns: repeat(2, 1fr); } }

.trust-cell {
  background: var(--bg-base);
  padding: 36px 24px;
  text-align: center;
  transition: background 0.2s;
}
.trust-cell:hover { background: var(--gold-veil); }
.trust-cell .trust-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(28px, 3.5vw, 44px);
  color: var(--gold-glow);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 12px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.trust-cell .trust-num .unit {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--gold);
  font-weight: 500;
  font-style: italic;
}
.trust-cell .trust-label {
  font-family: var(--font-cn);
  font-weight: 500;
  font-size: 13px;
  color: var(--ink-soft);
}
.trust-cell .trust-sub {
  font-size: 10.5px;
  color: var(--ink-mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* ═══════════════════════════════════════════════════════
   CTA strip 底部呼吁
   ═══════════════════════════════════════════════════════ */
.cta-strip {
  padding: 80px 0;
  background:
    radial-gradient(ellipse at center, rgba(212, 175, 55, 0.08), transparent 70%),
    linear-gradient(180deg, var(--bg-elev-1), var(--bg-elev-2));
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
  text-align: center;
}
.cta-strip h2 {
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(28px, 4vw, 48px);
  margin-bottom: 16px;
}
.cta-strip h2 .hl {
  display: inline-block;
  padding: 0 0.18em 0 0.04em;
  background: linear-gradient(135deg, var(--gold-glow), var(--gold));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 600;
}
.cta-strip .sub {
  color: var(--ink-soft);
  font-size: 16px;
  margin-bottom: 32px;
}
.cta-strip .cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }