:root {
  --bg: #050505;
  --card: #151515;
  --card-2: #101010;
  --text: #f4f1ec;
  --muted: #a6a6aa;
  --faint: #737377;
  --line: rgba(255, 255, 255, 0.1);
  --line-2: rgba(255, 255, 255, 0.06);
  --accent: #ff7a1a;
  --accent-2: #ff9b4a;
  --cream: #f5f2ed;
  --radius: 26px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 0%, rgba(255, 255, 255, 0.055), transparent 22%),
    radial-gradient(circle at 73% 36%, rgba(255, 122, 26, 0.12), transparent 20%),
    linear-gradient(180deg, #050505 0%, #070707 48%, #040404 100%);
  font-family: "Inter", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", Arial, sans-serif;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(180deg, black 0%, transparent 64%);
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }

.ambient {
  position: fixed;
  inset: auto 8% -220px 8%;
  height: 520px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 122, 26, 0.45), transparent 62%);
  filter: blur(60px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line-2);
  background: rgba(5, 5, 5, 0.82);
  backdrop-filter: blur(22px);
}

.nav, main, .footer {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  min-height: 74px;
}

.brand, .nav-links, .hero-badges,
.hero-checks li, .status-kicker, .stat-row, .section-top {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-size: 1.05rem;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--cream);
  box-shadow: 0 0 20px rgba(255, 122, 26, 0.18);
  overflow: hidden;
}

.brand-mark img {
  display: block;
  width: 29px;
  height: 29px;
  object-fit: contain;
}

.nav-links {
  width: fit-content;
  max-width: 100%;
  justify-self: end;
  justify-content: center;
  gap: 12px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #ffb47c;
  font-size: 0.9rem;
  font-weight: 900;
  box-shadow: none;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 122, 26, 0.34);
  border-radius: 999px;
  background: rgba(255, 122, 26, 0.055);
  color: #f2d5c2;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045);
  transition: transform 0.18s ease, color 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.nav-links a svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-links a:hover {
  transform: translateY(-1px);
  background: rgba(255, 122, 26, 0.14);
  border-color: rgba(255, 122, 26, 0.55);
  color: var(--text);
  box-shadow: 0 12px 34px rgba(255, 122, 26, 0.12);
}

.nav-links .nav-contact {
  border-color: transparent;
  background: linear-gradient(90deg, #ff7a1a, #f05a16);
  color: #fff;
  box-shadow: 0 16px 36px rgba(255, 122, 26, 0.25);
}

.nav-links .nav-contact:hover {
  background: linear-gradient(90deg, #ff8c36, #ff641f);
  box-shadow: 0 18px 44px rgba(255, 122, 26, 0.32);
}

.menu-toggle {
  display: none;
  place-items: center;
  gap: 3px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
    rgba(15, 15, 15, 0.82);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.button, .nav-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.button:hover, .nav-pill:hover { transform: translateY(-2px); }

.button-primary, .nav-pill-primary {
  background: var(--cream);
  color: #080808;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}

.button-secondary, .nav-pill-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: 52px 0 48px;
}

.hero-copy {
  max-width: 680px;
  transform: translateY(-42px);
}

.hero-badges {
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.hero-badges span {
  padding: 8px 16px;
  border: 1px solid rgba(255, 122, 26, 0.42);
  border-radius: 999px;
  background: rgba(255, 122, 26, 0.13);
  color: #ff9c55;
  font-size: 0.78rem;
  font-family: "Inter", sans-serif;
  font-weight: 900;
  letter-spacing: 0.08em;
}

h1, h2, h3, p { margin-top: 0; }

h1, h2 {
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.12;
}

h1 {
  margin-bottom: 22px;
  font-size: 3rem;
  font-weight: 900;
}

.title-main {
  display: block;
  font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  font-size: 1.08em;
}

.title-accent {
  display: block;
  margin-top: 8px;
  color: var(--accent);
}

h2 {
  margin-bottom: 12px;
  font-size: 2.25rem;
  font-weight: 900;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.18rem;
}

p {
  color: var(--muted);
  line-height: 1.82;
}

.hero-text {
  max-width: 580px;
  margin-bottom: 22px;
  font-size: 1.08rem;
  font-weight: 600;
}

.seo-summary {
  max-width: 590px;
  margin: -6px 0 22px;
  color: #8f8f94;
  font-size: 0.94rem;
  font-weight: 500;
  line-height: 1.75;
}

.hero-checks {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 600;
}

.hero-checks li { gap: 10px; }

.hero-checks li::before {
  content: "✓";
  color: var(--accent-2);
  font-weight: 900;
}

.hero-panel {
  width: 100%;
  padding: 26px 28px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 30px;
  background:
    radial-gradient(circle at 88% 0%, rgba(255, 122, 26, 0.42), transparent 46%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.035) 48%, rgba(255, 122, 26, 0.06)),
    #171717;
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.78), 0 0 0 1px rgba(255, 122, 26, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.status-kicker {
  gap: 9px;
  margin-bottom: 18px;
  color: #8f8f93;
  font-family: "Inter", sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.status-kicker::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffad5b;
  box-shadow: 0 0 18px rgba(255, 122, 26, 0.8);
}

.hero-panel h2 {
  margin-bottom: 24px;
  font-size: 1.15rem;
}

.price-panel h2 {
  margin-bottom: 16px;
  font-size: 1.22rem;
}

.hero-plan-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 5px;
  margin-bottom: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.hero-plan-tab {
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 900;
  cursor: pointer;
}

.hero-plan-tab.is-active {
  background: var(--cream);
  color: #080808;
}

.hero-price-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  margin-bottom: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
}

.hero-price-row p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.hero-price-row strong {
  display: block;
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 3.6rem;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.hero-price-row span {
  flex: 0 0 auto;
  margin-bottom: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 122, 26, 0.16);
  color: #ffad69;
  font-size: 0.86rem;
  font-weight: 900;
}

.hero-plan-desc {
  margin: 0 0 16px;
  color: #b7b7bb;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.72;
}

.hero-benefits {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.hero-benefits li {
  position: relative;
  padding-left: 22px;
  color: #d9d6cf;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.55;
}

.hero-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-2);
  font-weight: 900;
}

.hero-plan-buy {
  width: 100%;
}

.stat-list {
  display: grid;
  gap: 22px;
}

.stat-row {
  justify-content: space-between;
  gap: 24px;
}

.stat-row span {
  color: var(--muted);
  font-weight: 700;
}

.stat-row strong {
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 1.24rem;
}

.section { padding: 58px 0; }

.section-top {
  justify-content: space-between;
  gap: 26px;
  margin-bottom: 26px;
}

.section-top > div { max-width: 720px; }

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.22em;
}

.section-top p {
  margin-bottom: 0;
  font-size: 1.02rem;
  font-weight: 600;
}

.benefit-grid, .flow-grid, .review-grid, .faq-list {
  display: grid;
  gap: 16px;
}

.benefit-grid, .flow-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.review-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.benefit-card, .plan-card, .flow-card, .review-card,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.042), rgba(255, 255, 255, 0.018)), var(--card-2);
}

.benefit-card, .flow-card, .review-card {
  padding: 24px;
}

.benefit-card span, .flow-card span {
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.benefit-card h3, .flow-card h3 { margin-top: 18px; }
.benefit-card p, .flow-card p { margin-bottom: 0; }

.billing-tabs {
  display: flex;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 18px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  overflow-x: auto;
}

.tab {
  min-width: 112px;
  min-height: 42px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-weight: 900;
  cursor: pointer;
}

.tab.is-active {
  background: var(--cream);
  color: #080808;
}

.plan-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px;
}

.plan-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
  margin-bottom: 22px;
}

.plan-label {
  margin-bottom: 6px;
  color: var(--accent-2);
  font-weight: 900;
}

.price-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.price-row strong {
  font-family: "Inter", sans-serif;
  font-size: 3.6rem;
  line-height: 1;
}

.price-row span {
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 122, 26, 0.15);
  color: #ffad69;
  font-weight: 900;
}

.plan-card p { margin-bottom: 0; }
.plan-buy { min-width: 178px; }

.plan-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.plan-points span {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  color: #d5d5d5;
  font-size: 0.92rem;
  font-weight: 700;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.plan-offer-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 26px;
}

.plan-offer-card.is-recommended {
  border-color: rgba(255, 122, 26, 0.32);
}

.plan-offer-card h3 {
  margin: 0 0 16px;
  color: var(--accent-2);
  font-size: 1.25rem;
  line-height: 1.35;
}

.plan-offer-card .hero-benefits {
  margin-bottom: 22px;
}

.plan-offer-card .plan-buy {
  width: 100%;
  margin-top: auto;
}

.flow-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1fr);
  gap: 64px;
  align-items: start;
}

.flow-copy .eyebrow {
  margin-bottom: 18px;
}

.flow-copy h2 {
  margin-bottom: 18px;
}

.flow-lead {
  margin: 0 0 28px;
  color: var(--text);
  font-size: 1.14rem;
  font-weight: 800;
  line-height: 1.7;
}

.flow-steps {
  display: grid;
  gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-steps li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  cursor: pointer;
}

.flow-steps li > span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 122, 26, 0.55);
  border-radius: 50%;
  background: rgba(255, 122, 26, 0.12);
  color: var(--accent);
  font-size: 1.08rem;
  font-weight: 900;
  box-shadow: 0 0 0 6px rgba(255, 122, 26, 0.04);
}

.flow-steps h3 {
  margin: 2px 0 12px;
  font-size: 1.18rem;
  line-height: 1.45;
}

.flow-steps p {
  margin: 0;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.75;
}

.flow-demo {
  display: grid;
  grid-template-rows: auto auto;
  align-content: start;
  align-items: stretch;
  gap: 18px;
}

.flow-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
}

.flow-tab {
  box-sizing: border-box;
  height: 38px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 900;
  cursor: pointer;
}

.flow-tab.is-active {
  border: 1px solid rgba(255, 122, 26, 0.55);
  background: rgba(255, 122, 26, 0.17);
  color: var(--text);
}

.flow-panel {
  min-height: 500px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    radial-gradient(circle at 88% 0%, rgba(255, 122, 26, 0.18), transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02)),
    #141414;
  box-shadow: var(--shadow);
}

.flow-panel[hidden] {
  display: none;
}

.flow-panel h3 {
  margin: 0 0 24px;
  font-size: 1.2rem;
  line-height: 1.45;
}

.flow-panel p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 650;
  line-height: 1.7;
}

.mock-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-weight: 700;
}

.mock-input {
  min-height: 62px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.035);
  color: #c9cbd0;
  font-size: 1.05rem;
  line-height: 1.35;
}

.flow-tips {
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 122, 26, 0.16);
  border-radius: 16px;
  background: rgba(255, 122, 26, 0.06);
}

.flow-tips strong {
  display: block;
  margin-bottom: 10px;
  color: #ffb66f;
  font-size: 0.94rem;
  font-weight: 900;
}

.flow-tips ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-tips li {
  position: relative;
  padding-left: 18px;
  color: #c7c9cf;
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.55;
}

.flow-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
}

.flow-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 58px;
  margin-top: 24px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(90deg, #ff8638, #ff5b1f);
  color: #fff;
  font-size: 0.98rem;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
  cursor: pointer;
}

.session-mock,
.mock-alert {
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.035);
}

.session-mock {
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 20px;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
}

.browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 16px 0 0 rgba(255, 255, 255, 0.22), 32px 0 0 rgba(255, 255, 255, 0.14);
}

.browser-bar strong {
  min-width: 0;
  margin-left: 30px;
  color: #d9d4cc;
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-code {
  padding: 16px 18px;
  color: #e5e1d9;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.92rem;
  line-height: 1.65;
}

.session-code p {
  margin: 0;
  color: inherit;
  font: inherit;
}

.session-code p:nth-child(3) {
  color: #ffb66f;
}

.flow-link {
  text-decoration: none;
}

.mock-alert {
  margin-bottom: 22px;
  padding: 15px 16px;
  color: #ffb66f;
  font-weight: 850;
}

.review-card p {
  margin-bottom: 18px;
  font-size: 0.98rem;
  line-height: 1.82;
}

.review-card strong {
  display: block;
  color: var(--text);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 900;
}

.faq-list summary::after {
  content: "";
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border: 1px solid rgba(255, 122, 26, 0.36);
  border-radius: 50%;
  background:
    linear-gradient(#ffad5b, #ffad5b) center / 8px 2px no-repeat,
    linear-gradient(#ffad5b, #ffad5b) center / 2px 8px no-repeat,
    rgba(255, 122, 26, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.faq-list details[open] summary::after {
  background:
    linear-gradient(#ffad5b, #ffad5b) center / 8px 2px no-repeat,
    rgba(255, 122, 26, 0.12);
  border-color: rgba(255, 122, 26, 0.48);
}

.faq-list summary:hover::after {
  transform: scale(1.06);
}

.faq-list summary::-webkit-details-marker { display: none; }
.faq-list p { margin: 12px 0 0; }

.bookmark-card {
  display: none;
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 35;
  width: 280px;
  padding: 18px;
  border: 1px solid rgba(255, 122, 26, 0.14);
  border-radius: 22px;
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 122, 26, 0.16), transparent 42%),
    #141414;
  box-shadow: var(--shadow);
}

.bookmark-card h3 {
  margin-bottom: 6px;
  font-size: 1.06rem;
  line-height: 1.35;
}

.bookmark-card p {
  margin-bottom: 14px;
  font-size: 0.82rem;
  line-height: 1.65;
}

.bookmark-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bookmark-actions button {
  min-height: 38px;
  padding: 0 14px;
  font-size: 0.82rem;
}

.bookmark-actions .later {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
}

.footer {
  padding: 76px 0 48px;
  border-top: 1px solid var(--line-2);
  color: var(--muted);
}

.contact-footer {
  text-align: center;
}

.footer-contact {
  max-width: 840px;
  margin: 0 auto;
}

.footer-kicker {
  margin: 0 0 20px;
  color: #aaa2b8;
  font-size: 1.05rem;
  font-weight: 700;
}

.footer-kicker span {
  margin-right: 8px;
}

.footer h2 {
  margin-bottom: 26px;
  color: var(--text);
  font-size: 2.35rem;
}

.footer-subtitle {
  margin: 0;
  color: #aeb0b8;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.75;
}

.footer-subtitle strong {
  color: var(--accent);
  font-family: "Inter", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-weight: 900;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 96px;
  max-width: 740px;
  margin: 56px auto 82px;
}

.qr-card {
  padding: 26px 26px 24px;
  border: 1px solid rgba(255, 122, 26, 0.16);
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 122, 26, 0.1), transparent 38%),
    rgba(255, 255, 255, 0.035);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.32);
}

.qr-frame {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: #f8f7f4;
}

.qr-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.qr-card h3 {
  margin: 22px 0 0;
  color: #e8e2dc;
  font-size: 1.18rem;
}

.footer-note {
  width: min(960px, 100%);
  margin: 0 auto;
  padding-top: 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-note p {
  margin: 0;
  color: rgba(191, 197, 210, 0.72);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.9;
}
:focus-visible {
  outline: 3px solid rgba(255, 122, 26, 0.72);
  outline-offset: 3px;
}

@media (max-width: 1040px) {
  .nav-links {
    gap: 8px;
    font-size: 0.84rem;
  }

  .nav-links a {
    min-height: 40px;
    padding: 0 13px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-inline: 0;
  }

  .hero-copy {
    max-width: 720px;
    transform: none;
  }
  .hero-panel { max-width: 520px; }

  .flow-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .flow-demo {
    max-width: 680px;
    min-height: auto;
  }
}

@media (min-width: 1440px) {
  .nav,
  main,
  .footer {
    width: min(1360px, calc(100% - 96px));
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) 430px;
    gap: 92px;
    padding: 96px 4% 78px;
  }

  h1 {
    font-size: 4.35rem;
  }

  .hero-copy {
    transform: translateY(-70px);
  }

  .nav-links {
    gap: 16px;
    font-size: 0.95rem;
  }
}

@media (max-width: 760px) {
  .nav, main, .footer {
    width: min(100% - 28px, 1200px);
  }

  .nav {
    position: relative;
    display: flex;
    justify-content: space-between;
    min-height: 66px;
  }

  .brand {
    font-size: 0.98rem;
    min-width: 0;
  }

  .brand span:last-child {
    max-width: 128px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .menu-toggle {
    display: grid;
    flex: 0 0 auto;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: auto;
    right: 0;
    width: min(248px, calc(100vw - 28px));
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 12px;
    border: 1px solid rgba(255, 122, 26, 0.22);
    border-radius: 18px;
    background:
      radial-gradient(circle at 100% 0%, rgba(255, 122, 26, 0.18), transparent 44%),
      rgba(12, 12, 12, 0.96);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.48);
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top right;
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
    visibility: hidden;
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
    visibility: visible;
  }

  .nav-links a {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 9px;
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid rgba(255, 122, 26, 0.2);
    border-radius: 999px;
    background: rgba(255, 122, 26, 0.07);
    color: #f2d5c2;
    font-size: 0.88rem;
    font-weight: 850;
  }

  .nav-links a svg {
    width: 17px;
    height: 17px;
  }

  .nav-links a:hover {
    transform: none;
    background: rgba(255, 122, 26, 0.14);
    border-color: rgba(255, 122, 26, 0.28);
    color: var(--text);
  }

  .nav-links .nav-contact {
    border-color: transparent;
    background: linear-gradient(90deg, #ff7a1a, #f05a16);
    color: #fff;
  }

  .hero {
    min-height: auto;
    padding: 34px 0 30px;
  }

  .hero-copy {
    transform: none;
  }

  .hero-badges {
    display: flex;
    gap: 7px;
    margin-bottom: 18px;
  }

  .hero-badges span {
    text-align: center;
    padding: 6px 10px;
    font-size: 0.66rem;
    letter-spacing: 0.08em;
  }

  h1 {
    font-size: 1.74rem;
    line-height: 1.14;
    letter-spacing: 0;
  }

  .title-main {
    font-family: "Inter", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    font-size: 0.96em;
  }

  .title-accent { margin-top: 4px; }
  h2 { font-size: 1.74rem; }
  .hero-text {
    margin-bottom: 12px;
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .seo-summary {
    display: none;
  }

  .hero-checks {
    grid-template-columns: 1fr;
    gap: 9px;
    font-size: 0.82rem;
    line-height: 1.45;
  }

  .hero-checks li {
    align-items: flex-start;
    gap: 7px;
  }

  .button { width: 100%; }

  .hero-panel {
    padding: 22px;
    border-radius: 24px;
  }

  .hero-price-row strong {
    font-size: 3.1rem;
  }

  .hero-price-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .hero-price-row span {
    margin-bottom: 0;
  }

  .stat-row strong { font-size: 1.18rem; }
  .section { padding: 42px 0; }
  .section-top { display: block; }

  .benefit-grid,
  .flow-grid,
  .plans-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .plan-offer-card {
    max-width: none;
    padding: 22px;
  }

  .flow-layout {
    gap: 28px;
  }

  .flow-lead {
    font-size: 1rem;
  }

  .flow-steps {
    gap: 22px;
  }

  .flow-steps li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .flow-steps h3 {
    font-size: 1.03rem;
  }

  .flow-steps p {
    font-size: 0.94rem;
  }

  .flow-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
  }

  .flow-tab {
    height: 34px;
    padding: 0 5px;
    font-size: 0.72rem;
    line-height: 1.2;
    white-space: nowrap;
  }

  .flow-panel {
    min-height: 475px;
    padding: 22px;
    border-radius: 22px;
  }

  .flow-panel h3 {
    margin-bottom: 16px;
    font-size: 1.08rem;
  }

  .flow-panel p {
    margin-top: 10px;
    line-height: 1.55;
  }

  .flow-primary {
    min-height: 44px;
    margin-top: 16px;
    border-radius: 12px;
    font-size: 0.9rem;
  }

  .session-mock {
    margin-bottom: 12px;
  }

  .browser-bar {
    min-height: 36px;
    padding: 0 12px;
  }

  .browser-bar strong {
    margin-left: 26px;
    font-size: 0.78rem;
  }

  .mock-input {
    min-height: 54px;
    padding: 15px;
    font-size: 0.95rem;
  }

  .flow-tips {
    margin-top: 16px;
    padding: 14px;
  }

  .flow-tips strong {
    margin-bottom: 8px;
    font-size: 0.88rem;
  }

  .flow-tips ul {
    gap: 6px;
  }

  .flow-tips li {
    padding-left: 16px;
    font-size: 0.82rem;
    line-height: 1.48;
  }

  .session-code {
    padding: 12px 14px;
    font-size: 0.82rem;
    line-height: 1.45;
  }

  .billing-tabs { width: 100%; }
  .tab { flex: 1 0 106px; }

  .plan-head {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .price-row strong { font-size: 3rem; }
  .plan-points { grid-template-columns: 1fr; }
  .bookmark-card { display: none; }

  .footer {
    padding: 54px 0 96px;
  }

  .footer-kicker {
    font-size: 0.95rem;
  }

  .footer h2 {
    font-size: 1.86rem;
  }

  .footer-subtitle {
    font-size: 0.98rem;
  }

  .qr-grid {
    grid-template-columns: 1fr;
    gap: 22px;
    max-width: 320px;
    margin: 36px auto 48px;
  }

  .qr-card {
    padding: 20px;
  }

  .qr-card h3 {
    font-size: 1.04rem;
  }

  .footer-note {
    padding-top: 30px;
  }

  .footer-note p {
    font-size: 0.9rem;
  }

}

@media (max-width: 380px) {
  .brand span:last-child { display: none; }
  h1 { font-size: 1.62rem; }
  .hero-checks { font-size: 0.8rem; }
}