/* GKDataLite — 深色科技风 */

:root {
  --bg: #060910;
  --bg-alt: #0a0f1c;
  --surface: rgba(18, 26, 44, 0.72);
  --surface-solid: #0e1626;
  --surface-2: #121c30;
  --ink: #e9eff8;
  --muted: #93a1b8;
  --faint: #64748b;
  --line: rgba(148, 170, 210, 0.14);
  --line-strong: rgba(148, 170, 210, 0.28);
  --brand: #22d3ee;
  --brand-2: #6366f1;
  --brand-soft: rgba(34, 211, 238, 0.12);
  --accent: #38bdf8;
  --accent-hover: #7dd3fc;
  --grad: linear-gradient(135deg, #22d3ee 0%, #6366f1 100%);
  --grad-soft: linear-gradient(135deg, rgba(34, 211, 238, 0.16), rgba(99, 102, 241, 0.16));
  --glow: 0 0 0 1px rgba(34, 211, 238, 0.35), 0 12px 40px -12px rgba(34, 211, 238, 0.55);
  --mono: "Consolas", "SF Mono", "JetBrains Mono", monospace;
  --sans: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --max: 1080px;
  --radius: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 78% -8%, rgba(34, 211, 238, 0.14), transparent 60%),
    radial-gradient(760px 480px at 8% 4%, rgba(99, 102, 241, 0.16), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

/* —— 顶栏 —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 32px);
  background: rgba(8, 12, 22, 0.72);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.02em;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--grad);
  color: #05121a;
  box-shadow: 0 6px 18px -8px rgba(34, 211, 238, 0.8);
}

.brand strong {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand small {
  display: none;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin-left: auto;
}

.nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav a:hover,
.nav a.is-active {
  color: var(--ink);
  text-decoration: none;
}

.nav a.is-active {
  border-bottom: 2px solid var(--brand);
  padding-bottom: 2px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 16px;
  background: var(--grad);
  color: #05121a;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
  box-shadow: 0 8px 22px -10px rgba(34, 211, 238, 0.85);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.header-cta:hover {
  color: #05121a;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -10px rgba(34, 211, 238, 0.95);
}

.mobile-bar {
  display: none;
}

/* —— 按钮 —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--grad);
  color: #05121a;
  font-weight: 700;
  box-shadow: 0 10px 28px -12px rgba(34, 211, 238, 0.8);
}

.btn-primary:hover {
  color: #05121a;
  transform: translateY(-1px);
  box-shadow: 0 14px 34px -12px rgba(34, 211, 238, 0.95);
}

.btn-secondary {
  background: rgba(148, 170, 210, 0.06);
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-secondary:hover {
  border-color: var(--brand);
  color: var(--ink);
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.25);
}

.btn-dark,
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--muted);
}

.btn-ghost:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

/* —— 版式 —— */
.page-main {
  padding-bottom: 80px;
}

.kicker,
.eyebrow {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
}

.kicker::before,
.eyebrow::before {
  content: "// ";
  color: var(--brand-2);
}

h1,
h2,
h3,
.page-title {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ink);
}

h1,
.page-title {
  font-size: clamp(34px, 5.2vw, 52px);
}

.hero h1,
.page-hero h1 {
  background: linear-gradient(180deg, #ffffff 10%, #aab8d4 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 {
  font-size: clamp(23px, 3vw, 30px);
}

h3 {
  font-size: 18px;
}

.lead {
  margin: 16px 0 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.section {
  padding: 60px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(10, 15, 28, 0) 0%, rgba(10, 15, 28, 0.85) 100%);
  border-block: 1px solid var(--line);
}

.section-head {
  max-width: 640px;
  margin-bottom: 32px;
}

.section-head p {
  margin: 12px 0 0;
  color: var(--muted);
}

.page-hero {
  padding: 56px 0 36px;
  border-bottom: 1px solid var(--line);
}

.page-hero.compact {
  padding-bottom: 24px;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* —— 首页 Hero —— */
.hero {
  padding: 64px 0 52px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: start;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.stat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 36px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.stat-strip div strong {
  display: block;
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-strip div span {
  font-size: 13px;
  color: var(--muted);
}

.pipeline-panel {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: linear-gradient(180deg, #0c1424 0%, #080d18 100%);
  color: #cdd9ee;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(34, 211, 238, 0.4);
}

.pipeline-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--grad);
  opacity: 0.8;
}

.pipeline-panel header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  color: var(--faint);
}

.pipeline-panel pre {
  margin: 0;
  padding: 20px 16px 24px;
  overflow-x: auto;
  white-space: pre;
}

.pipeline-panel .hl {
  color: #38e8c0;
}

.pipeline-panel .dim {
  color: var(--faint);
}

/* —— 场景列表 —— */
.scene-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.scene-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 24px;
  background: var(--surface-solid);
  transition: background 0.15s ease;
}

.scene-item:hover {
  background: var(--surface-2);
}

.scene-item .num {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-top: 4px;
}

.scene-item h3 {
  margin-bottom: 8px;
}

.scene-item p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* —— 背书 —— */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.proof-item {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.proof-item:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.proof-item h3 {
  margin-bottom: 10px;
  font-size: 16px;
}

.proof-item p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.client-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.client-tags span {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(148, 170, 210, 0.05);
  font-size: 13px;
  color: var(--muted);
}

/* —— 截图背书 —— */
.proof-shots {
  display: grid;
  gap: 28px;
}

.shot-group {
  margin: 0;
}

.shot-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.shot {
  margin: 0;
}

.shot-trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface-solid);
  cursor: zoom-in;
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.shot-trigger:hover {
  transform: translateY(-3px);
  border-color: var(--brand);
  box-shadow: var(--glow);
}

.shot-trigger img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  background: linear-gradient(135deg, #0c1424, #111a2e);
}

.shot-zoom {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #05121a;
  background: var(--grad);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.shot-trigger:hover .shot-zoom {
  opacity: 1;
  transform: translateY(0);
}

.shot-trigger.is-missing {
  cursor: default;
}

.shot-trigger.is-missing img {
  visibility: hidden;
}

.shot-trigger.is-missing::after {
  content: attr(data-missing-label) " · 待上传";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
  font-size: 14px;
  color: var(--faint);
  background: repeating-linear-gradient(
    45deg,
    rgba(148, 170, 210, 0.04),
    rgba(148, 170, 210, 0.04) 12px,
    rgba(148, 170, 210, 0.08) 12px,
    rgba(148, 170, 210, 0.08) 24px
  );
}

.shot-trigger.is-missing .shot-zoom {
  display: none;
}

.shot figcaption,
.shot-group figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

/* —— 灯箱 —— */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.lightbox.is-open {
  display: flex;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 6, 14, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: zoom-out;
}

.lightbox-body {
  position: relative;
  margin: 0;
  max-width: min(1100px, 94vw);
  max-height: 90vh;
}

.lightbox-body img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  box-shadow: 0 40px 100px -30px rgba(34, 211, 238, 0.5);
}

.lightbox-body figcaption {
  margin-top: 14px;
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

.lightbox-close {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface-solid);
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

/* —— 课程条 —— */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.note-box {
  padding: 24px;
  background: var(--grad-soft);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--brand);
  border-radius: 12px;
}

.note-box h3 {
  margin-bottom: 12px;
}

.note-box p,
.note-box ul {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

.note-box ul {
  margin-top: 12px;
  padding-left: 18px;
}

/* —— 定价 —— */
.price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface-solid);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.price-table th,
.price-table td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.price-table th {
  background: var(--surface-2);
  font-size: 13px;
  font-weight: 600;
}

.price-table tr:last-child td {
  border-bottom: none;
}

.price-table .amount {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 600;
  white-space: nowrap;
}

.price-table .amount small {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}

.price-card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.price-card {
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.price-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.price-card.is-featured {
  border-color: transparent;
  background:
    linear-gradient(var(--surface-solid), var(--surface-solid)) padding-box,
    var(--grad) border-box;
  box-shadow: var(--glow);
}

.price-card .label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--brand);
}

.price-card .amount {
  margin: 12px 0;
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
}

.price-card ul {
  margin: 0 0 18px;
  padding-left: 18px;
  font-size: 14px;
  color: var(--muted);
}

.usage-block {
  margin-bottom: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.usage-block-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--muted);
}

.usage-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 170, 210, 0.12);
  overflow: hidden;
}

.usage-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--grad);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--surface-solid);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.compare-table th,
.compare-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.compare-table th {
  background: var(--surface-2);
  font-weight: 600;
}

/* —— 表单 —— */
.form-card {
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  box-shadow: 0 30px 70px -40px rgba(34, 211, 238, 0.35);
}

.form-card h3 {
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
}

.form-card label {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.form-card input,
.form-card select,
.form-card textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font: inherit;
  font-size: 15px;
  background: #0a1120;
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-card select option {
  background: #0a1120;
  color: var(--ink);
}

.form-card input::placeholder,
.form-card textarea::placeholder {
  color: var(--faint);
}

.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

.form-card textarea {
  min-height: 100px;
  resize: vertical;
}

.form-tip {
  margin: -8px 0 14px;
  font-size: 12px;
  color: var(--faint);
}

.form-tip code {
  font-family: var(--mono);
  font-size: 11px;
  background: rgba(148, 170, 210, 0.12);
  color: var(--brand);
  padding: 2px 6px;
  border-radius: 4px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* —— 导师 —— */
.tier-list {
  display: grid;
  gap: 12px;
  margin-bottom: 40px;
}

.tier-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.tier-item:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.tier-item .rate {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tier-item p {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.step-list {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.step-list div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 16px 18px;
  background: var(--surface-solid);
  border-bottom: 1px solid var(--line);
}

.step-list div:last-child {
  border-bottom: none;
}

.step-list strong {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--brand);
}

.slot-grid {
  display: grid;
  gap: 8px;
}

.slot-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #0a1120;
  cursor: pointer;
  font-size: 14px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.slot-option:has(input:checked) {
  border-color: var(--brand);
  background: var(--brand-soft);
}

.slot-option.is-disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.slot-option input {
  width: auto;
  min-height: auto;
  accent-color: var(--brand);
}

/* —— FAQ —— */
.faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.faq-toolbar button {
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(148, 170, 210, 0.05);
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.faq-toolbar button:hover {
  color: var(--ink);
  border-color: var(--brand);
}

.faq-toolbar button.is-active {
  border-color: transparent;
  background: var(--grad);
  color: #05121a;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 8px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 18px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "+ ";
  font-family: var(--mono);
  color: var(--brand);
  margin-right: 6px;
}

.faq-item[open] summary::before {
  content: "− ";
}

.faq-item p {
  margin: 0;
  padding: 0 18px 16px;
  color: var(--muted);
  font-size: 15px;
}

.faq-path {
  margin: 0 18px 16px;
  padding: 12px 14px;
  background: var(--brand-soft);
  border-left: 2px solid var(--brand);
  border-radius: 8px;
  font-size: 13px;
  color: var(--ink);
}

.help-cta {
  margin-top: 40px;
  padding: 30px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.16), rgba(99, 102, 241, 0.16)),
    var(--surface-solid);
  border: 1px solid var(--line-strong);
}

.help-cta h3 {
  color: #fff;
  margin-bottom: 8px;
}

.help-cta p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 15px;
}

/* —— 合伙人 / 社群 —— */
.benefit-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.benefit-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.benefit-item:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.benefit-item h3 {
  margin-bottom: 8px;
  font-size: 16px;
}

.benefit-item p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.sop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.sop-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.sop-card h3 {
  margin-bottom: 12px;
}

.sop-card ol,
.sop-card .step-list {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.sop-card ol {
  padding-left: 20px;
}

.panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  font-size: 14px;
}

.panel p {
  margin: 6px 0;
}

/* —— 订单状态 —— */
.status-panel {
  padding: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface);
}

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--mono);
  background: rgba(250, 204, 21, 0.16);
  color: #fbbf24;
}

.status-badge.is-paid {
  background: var(--brand-soft);
  color: var(--brand);
}

.status-badge.is-cancelled {
  background: rgba(248, 113, 113, 0.16);
  color: #f87171;
}

.success-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.success-step {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.success-step .step-num {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* —— 页脚 —— */
.site-footer {
  padding: 44px clamp(16px, 4vw, 32px) 28px;
  border-top: 1px solid var(--line);
  background: rgba(8, 12, 22, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 28px;
}

.footer-grid strong {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--ink);
}

.footer-grid p,
.footer-grid a {
  display: block;
  margin: 4px 0;
  font-size: 14px;
  color: var(--muted);
}

.footer-grid a:hover {
  color: var(--brand);
}

.footer-copy {
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--faint);
}

.footer-icp a {
  color: var(--faint);
}

/* —— 弹窗 / 提示 —— */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 6, 14, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-card {
  position: relative;
  width: min(480px, 100%);
  padding: 26px;
  background: var(--surface-solid);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  box-shadow: 0 40px 90px -30px rgba(34, 211, 238, 0.45);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  border: none;
  background: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--muted);
}

.pay-guide {
  margin: 16px 0;
  padding: 14px;
  border-radius: 10px;
  background: var(--brand-soft);
  font-size: 14px;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 300;
  max-width: 320px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--surface-solid);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: 0.2s ease;
  pointer-events: none;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.7);
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hidden {
  display: none !important;
}

.muted {
  color: var(--muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* 兼容旧类名 */
.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.card-featured,
.highlighted {
  border-color: transparent;
  background:
    linear-gradient(var(--surface-solid), var(--surface-solid)) padding-box,
    var(--grad) border-box;
  box-shadow: var(--glow);
}

@media (max-width: 900px) {
  .hero-grid,
  .split-layout,
  .proof-grid,
  .shot-row,
  .price-card-row,
  .benefit-list,
  .success-steps,
  .footer-grid,
  .sop-grid,
  .tier-item {
    grid-template-columns: 1fr;
  }

  .tier-item {
    gap: 8px;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 16px;
    background: rgba(8, 12, 22, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .mobile-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    gap: 8px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(8, 12, 22, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--line);
  }

  .mobile-bar .btn {
    flex: 1;
    min-height: 38px;
    font-size: 13px;
  }

  .page-main {
    padding-bottom: 72px;
  }
}