:root {
  --ink: #102a2f;
  --ink-soft: #4f686c;
  --muted: #6e8285;
  --paper: #ffffff;
  --canvas: #f5f8f7;
  --line: #dce8e5;
  --brand: #087f78;
  --brand-dark: #04655f;
  --brand-deep: #074c4b;
  --brand-pale: #e6f5f2;
  --accent: #ff7849;
  --accent-pale: #fff0e9;
  --blue-pale: #eaf2ff;
  --shadow-sm: 0 8px 28px rgba(16, 59, 60, 0.08);
  --shadow-lg: 0 24px 64px rgba(10, 66, 65, 0.15);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --shell: 1120px;
}

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

.nowrap {
  white-space: nowrap;
}

:where([id]) {
  scroll-margin-top: 96px;
}

h1, h2, h3 {
  text-wrap: pretty;
}

p, li, summary, figcaption {
  text-wrap: pretty;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

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

.shell {
  width: min(100% - 32px, var(--shell));
  margin-inline: auto;
}

.section {
  padding: 76px 0;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 9px 14px;
  color: var(--paper);
  background: var(--brand-deep);
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(220, 232, 229, 0.84);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: var(--paper);
  background: linear-gradient(145deg, var(--brand), var(--brand-deep));
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(8, 127, 120, 0.2);
}

.brand-mark svg {
  width: 25px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand > span:last-child {
  display: grid;
  line-height: 1.2;
}

.brand strong {
  white-space: nowrap;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.header-link {
  flex: 0 0 auto;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.header-nav {
  min-width: 0;
  display: flex;
  flex: 1 1 auto;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px 14px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 58px 0 78px;
  background:
    radial-gradient(circle at 92% 8%, rgba(53, 189, 168, 0.15), transparent 35%),
    radial-gradient(circle at 5% 85%, rgba(255, 120, 73, 0.1), transparent 32%),
    linear-gradient(155deg, #f6fbf9 0%, #eef8f5 52%, #f9fbfa 100%);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(8, 127, 120, 0.1);
  border-radius: 999px;
}

.hero::before {
  width: 300px;
  height: 300px;
  right: -170px;
  top: 60px;
}

.hero::after {
  width: 160px;
  height: 160px;
  left: -100px;
  bottom: 20px;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 52px;
}

.eyebrow,
.section-kicker {
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.11em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.eyebrow span {
  font-size: 8px;
}

.hero h1,
.guide-hero h1 {
  margin-bottom: 20px;
  font-size: clamp(40px, 12vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.hero h1 span {
  color: var(--brand);
}

.hero-lead {
  max-width: 590px;
  margin-bottom: 28px;
  color: var(--ink-soft);
  font-size: 17px;
}

.hero-actions {
  display: grid;
  gap: 12px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button:focus-visible,
.header-link:focus-visible,
.text-link:focus-visible,
.brand:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(255, 120, 73, 0.45);
  outline-offset: 3px;
}

.button svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  color: var(--paper);
  background: var(--brand);
  box-shadow: 0 10px 26px rgba(8, 127, 120, 0.22);
}

.button-primary:hover {
  background: var(--brand-dark);
  box-shadow: 0 14px 30px rgba(8, 127, 120, 0.28);
}

.button-quiet {
  color: var(--brand-dark);
  border-color: var(--line);
  background: var(--paper);
}

.button-full {
  width: 100%;
}

.microcopy {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.hero-visual {
  position: relative;
  width: min(100%, 350px);
  margin-inline: auto;
  padding: 18px 20px 22px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 6% 2% 0;
  background: linear-gradient(145deg, rgba(8, 127, 120, 0.2), rgba(53, 189, 168, 0.05));
  border-radius: 44% 56% 53% 47% / 44% 42% 58% 56%;
  transform: rotate(-7deg);
}

.phone-card {
  position: relative;
  z-index: 2;
  min-height: 410px;
  padding: 18px 20px 24px;
  text-align: center;
  background: var(--paper);
  border: 1px solid rgba(220, 232, 229, 0.9);
  border-radius: 34px;
  box-shadow: var(--shadow-lg);
}

.phone-top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  margin-bottom: 38px;
  color: var(--muted);
  font-size: 12px;
}

.phone-top span,
.phone-top i {
  width: 28px;
  height: 3px;
  background: var(--line);
  border-radius: 9px;
}

.phone-top i {
  justify-self: end;
}

.status-orbit {
  width: 104px;
  height: 104px;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  color: var(--brand);
  background:
    radial-gradient(circle, var(--paper) 54%, transparent 56%),
    conic-gradient(var(--brand) 0 82%, var(--brand-pale) 82% 100%);
  border-radius: 50%;
  box-shadow: 0 8px 22px rgba(8, 127, 120, 0.1);
}

.status-orbit svg {
  width: 46px;
  fill: none;
  stroke: currentColor;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.phone-card h2 {
  margin-bottom: 4px;
  font-size: 22px;
}

.phone-card > p {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
}

.progress-list {
  display: grid;
  gap: 13px;
  padding: 15px;
  text-align: left;
  background: var(--canvas);
  border-radius: 16px;
}

.progress-list span {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 12px;
}

.progress-list i {
  width: 9px;
  height: 9px;
  background: #c5d3d1;
  border-radius: 50%;
}

.progress-list .done {
  color: var(--ink);
}

.progress-list .done i {
  background: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-pale);
}

.float-note {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 11px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}

.float-note > span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: var(--paper);
  background: var(--accent);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 900;
}

.float-note p {
  display: grid;
  margin: 0;
  line-height: 1.2;
}

.float-note strong {
  font-size: 12px;
}

.float-note small {
  margin-top: 3px;
  color: var(--ink-soft);
  font-size: 11px;
}

.float-note-top {
  top: 8px;
  right: 0;
}

.float-note-bottom {
  left: 0;
  bottom: 0;
}

.float-note-bottom > span {
  background: var(--brand);
}

.section-heading {
  max-width: 650px;
  margin-bottom: 36px;
}

.section-heading.compact {
  margin-bottom: 26px;
}

.section-heading h2,
.pricing-intro h2,
.faq-intro h2,
.entry-card h2,
.before-card h2,
.guide-step-heading h2,
.support-card h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 8vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.section-heading > p:last-child,
.pricing-intro > p,
.faq-intro > p,
.guide-step-heading > p,
.support-card > div:last-child > p {
  color: var(--ink-soft);
}

.section-kicker {
  margin-bottom: 9px;
}

.pain-section {
  background: var(--paper);
}

.pain-grid {
  display: grid;
  gap: 12px;
}

.pain-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 21px;
  background: var(--canvas);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
}

.pain-number {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.pain-card h3 {
  margin-bottom: 4px;
  font-size: 17px;
}

.pain-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.value-section {
  background: var(--canvas);
}

.value-grid {
  display: grid;
  gap: 16px;
}

.value-card {
  min-width: 0;
  padding: 26px 23px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 5px 20px rgba(16, 59, 60, 0.04);
}

.value-card.featured {
  color: var(--paper);
  background: linear-gradient(145deg, var(--brand), var(--brand-deep));
  border-color: transparent;
  box-shadow: 0 16px 38px rgba(8, 127, 120, 0.2);
}

.icon-box {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 25px;
  color: var(--brand);
  background: var(--brand-pale);
  border-radius: 15px;
}

.icon-box svg {
  width: 25px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.featured .icon-box {
  color: var(--paper);
  background: rgba(255, 255, 255, 0.16);
}

.card-label {
  display: inline-block;
  margin-bottom: 9px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
}

.featured .card-label {
  color: #b9eee5;
}

.value-card h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.35;
}

.value-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.featured p {
  color: rgba(255, 255, 255, 0.78);
}

.pricing-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 0 0, rgba(53, 189, 168, 0.12), transparent 33%),
    var(--paper);
}

.pricing-layout {
  display: grid;
  gap: 38px;
  align-items: center;
}

.policy-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  max-width: 520px;
  margin-top: 28px;
  padding: 18px;
  background: var(--brand-pale);
  border-radius: var(--radius-sm);
}

.policy-note > svg {
  width: 28px;
  fill: none;
  stroke: var(--brand);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.policy-note strong {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
}

.policy-note p {
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

.policy-note small {
  color: var(--ink-soft);
  font-size: 11px;
}

.price-card {
  position: relative;
  padding: 26px 22px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 5px solid var(--brand);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.price-card-head,
.renewal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.price-card-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.price-tag {
  color: var(--brand);
  font-weight: 900;
}

.price-badge {
  padding: 6px 9px;
  color: var(--brand-dark);
  background: var(--brand-pale);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.main-price {
  display: flex;
  align-items: baseline;
  margin: 25px 0 22px;
  color: var(--brand-dark);
  line-height: 1;
}

.main-price .currency {
  margin-right: 5px;
  font-size: 22px;
  font-weight: 800;
}

.main-price strong {
  font-size: clamp(58px, 18vw, 76px);
  letter-spacing: -0.06em;
}

.main-price > span:last-child {
  margin-left: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.renewal-row {
  padding: 15px;
  background: var(--canvas);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.renewal-row > span {
  color: var(--ink-soft);
}

.renewal-row strong {
  flex: 0 0 auto;
  white-space: nowrap;
  color: var(--ink);
  font-size: 18px;
}

.renewal-row small {
  font-size: 11px;
}

.price-list {
  display: grid;
  gap: 11px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.price-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-soft);
  font-size: 14px;
}

.price-list li span {
  width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: var(--paper);
  background: var(--brand);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 900;
}

.price-footnote {
  margin: 11px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  text-align: center;
}

.steps-section {
  background: var(--canvas);
}

.split-heading {
  max-width: none;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.step-preview {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-preview > li {
  min-width: 0;
  padding: 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.step-copy {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  margin-bottom: 18px;
}

.step-index {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--paper);
  background: var(--brand);
  border-radius: 11px;
  font-size: 14px;
  font-weight: 900;
}

.step-copy h3 {
  margin-bottom: 4px;
  font-size: 18px;
}

.step-copy p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.screenshot-frame {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 10px 10px 0;
  overflow: hidden;
  background: linear-gradient(145deg, #edf4f3, #f8fbfa);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}


/* 文字说明卡：替代截图的位置（免费期不经过收银台，无对应界面可截） */
.text-shot {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  min-height: 260px;
  padding: 24px 26px;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: calc(var(--radius-md) - 4px);
}

.text-shot strong {
  color: var(--ink);
  font-size: 16px;
}

.text-shot p {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.compact-shot .text-shot {
  min-height: 180px;
}

.screenshot-frame img {
  position: relative;
  z-index: 1;
  width: auto;
  max-width: 100%;
  margin-inline: auto;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  color: transparent;
  background: transparent;
  border-radius: 13px 13px 0 0;
  font-size: 0;
}

.screenshot-frame figcaption {
  position: relative;
  z-index: 2;
  min-height: 53px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-inline: -10px;
  padding: 12px 13px;
  color: var(--ink-soft);
  background: var(--paper);
  border-top: 1px solid var(--line);
  font-size: 12px;
}

.screenshot-frame figcaption span {
  flex: 0 0 auto;
  padding: 3px 6px;
  color: var(--brand-dark);
  background: var(--brand-pale);
  border-radius: 5px;
  font-size: 11px;
  font-weight: 900;
}

.faq-section {
  background: var(--paper);
}

.faq-layout {
  display: grid;
  gap: 32px;
}

.faq-intro {
  align-self: start;
}

.faq-intro .text-link {
  margin-top: 12px;
}

.faq-list {
  min-width: 0;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 20px 30px 20px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 800;
  list-style: none;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  color: var(--brand);
  font-size: 24px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "–";
}

.faq-list summary span {
  color: var(--brand);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.faq-list details > p {
  margin: -5px 0 22px 27px;
  color: var(--ink-soft);
  font-size: 14px;
}

.faq-list p strong {
  color: var(--brand-dark);
}

.entry-section {
  padding: 0 0 76px;
  background: var(--paper);
}

.entry-card {
  position: relative;
  display: grid;
  gap: 26px;
  overflow: hidden;
  padding: 34px 24px;
  color: var(--paper);
  background:
    radial-gradient(circle at 95% 10%, rgba(105, 221, 197, 0.2), transparent 33%),
    linear-gradient(145deg, var(--brand), var(--brand-deep));
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(7, 76, 75, 0.2);
}

.entry-card::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.section-kicker.light {
  color: #b9eee5;
}

.entry-card h2 {
  position: relative;
  z-index: 1;
  margin-bottom: 12px;
}

.entry-card > div:first-child > p:last-child {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
}

.entry-instructions {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
}

.entry-instructions span {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 11px;
  font-size: 12px;
  font-weight: 700;
}

.entry-instructions b {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: var(--brand-dark);
  background: var(--paper);
  border-radius: 50%;
  font-size: 10px;
}

.entry-instructions i {
  display: none;
}

.button-light {
  position: relative;
  z-index: 1;
  color: var(--brand-deep);
  background: var(--paper);
}

.site-footer {
  padding: 30px 0;
  color: #b7cecc;
  background: #082f32;
}

.footer-inner {
  display: grid;
  gap: 17px;
}

.footer-inner strong {
  color: var(--paper);
  font-size: 15px;
}

.footer-inner p {
  margin: 4px 0 0;
  font-size: 11px;
}

.footer-inner .entity {
  margin: 0;
}

/* Guide page */
.guide-page {
  background: var(--canvas);
}

.guide-hero {
  padding: 54px 0 46px;
  overflow: hidden;
  background:
    radial-gradient(circle at 95% 12%, rgba(255, 120, 73, 0.11), transparent 28%),
    linear-gradient(150deg, #f6fbf9, #ebf6f3);
}

.guide-hero-grid {
  display: grid;
  gap: 36px;
}

.guide-hero h1 {
  margin-bottom: 18px;
}

.guide-hero h1 + p {
  max-width: 580px;
  margin-bottom: 24px;
  color: var(--ink-soft);
}

.guide-summary {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 7px;
  padding: 22px 15px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.guide-summary span {
  display: grid;
  justify-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.guide-summary b {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--paper);
  background: var(--brand);
  border-radius: 50%;
  font-size: 13px;
}

.guide-summary i {
  width: 13px;
  height: 1px;
  background: #b7cbc8;
}

.before-section {
  padding: 26px 0 0;
}

.before-card .promo-inline {
  margin: 0;
}

.before-card {
  display: grid;
  gap: 18px;
  padding: 24px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.before-icon {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  color: var(--brand);
  background: var(--brand-pale);
  border-radius: 15px;
}

.before-icon svg {
  width: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.before-card h2 {
  margin-bottom: 0;
  font-size: 24px;
}

.before-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.before-card li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--ink-soft);
  font-size: 13px;
}

.before-card li > span:first-child {
  width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  margin-top: 2px;
  color: var(--paper);
  background: var(--brand);
  border-radius: 50%;
  font-size: 10px;
}

.refund-inline {
  margin: 0;
  padding: 12px 14px;
  color: #7a432d;
  background: var(--accent-pale);
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
}

.guide-steps {
  padding-top: 62px;
}

.guide-shell {
  display: grid;
  gap: 72px;
}

.guide-step {
  min-width: 0;
  scroll-margin-top: 90px;
}

.guide-step-heading {
  position: relative;
  margin-bottom: 27px;
}

.big-step {
  display: block;
  margin-bottom: 4px;
  color: rgba(8, 127, 120, 0.1);
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.07em;
}

.guide-step-heading h2 {
  font-size: 30px;
}

.step-tip {
  margin-top: 22px;
  padding: 15px;
  background: var(--brand-pale);
  border-left: 3px solid var(--brand);
  border-radius: 0 10px 10px 0;
}

.step-tip strong {
  color: var(--brand-dark);
  font-size: 12px;
}

.step-tip p {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.guide-shots {
  align-items: start;
  min-width: 0;
  display: grid;
  gap: 16px;
}

.after-section {
  background: var(--paper);
}

.after-grid {
  display: grid;
  gap: 14px;
}

.after-grid article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 15px;
  padding: 22px 20px;
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.after-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--brand);
  background: var(--brand-pale);
  border-radius: 13px;
}

.after-icon svg {
  width: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.after-grid h3 {
  margin-bottom: 5px;
  font-size: 17px;
}

.after-grid p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.support-section {
  background: var(--paper);
  padding-top: 0;
}

.support-card {
  display: grid;
  gap: 17px;
  padding: 28px 23px;
  background: var(--blue-pale);
  border-radius: var(--radius-md);
}

.support-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: var(--brand-dark);
  background: var(--paper);
  border-radius: 16px;
}

.support-icon svg {
  width: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.support-card h2 {
  font-size: 27px;
}

.support-card > div:last-child > p:last-child {
  margin-bottom: 0;
  font-size: 13px;
}

.guide-entry-section {
  padding-bottom: 76px;
  background: var(--paper);
}

/* Manual page */
.manual-hero {
  padding-bottom: 54px;
}

.manual-source {
  padding-left: 14px;
  border-left: 3px solid var(--brand);
}

.manual-toc {
  max-width: 880px;
  margin-top: 30px;
  padding: 22px 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.manual-toc > strong {
  display: block;
  margin-bottom: 12px;
  color: var(--brand-dark);
}

.manual-toc > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px 14px;
}

.manual-toc a {
  min-width: 0;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
}

.manual-shell {
  display: grid;
  gap: 22px;
  padding: 34px 0 76px;
}

.manual-chapter {
  min-width: 0;
  padding: 25px 20px;
  scroll-margin-top: 96px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 5px 20px rgba(16, 59, 60, 0.04);
}

.manual-chapter h2 {
  margin-bottom: 18px;
  font-size: clamp(25px, 7vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.manual-chapter h3 {
  margin: 28px 0 13px;
  font-size: 19px;
}

.manual-chapter p:last-child,
.manual-list:last-child {
  margin-bottom: 0;
}

.manual-steps,
.manual-list {
  display: grid;
  gap: 13px;
  padding-left: 22px;
  color: var(--ink-soft);
}

.manual-steps li,
.manual-list li {
  padding-left: 3px;
}

.manual-steps strong,
.manual-list strong {
  color: var(--ink);
}

.manual-list em {
  color: var(--brand-dark);
  font-style: normal;
  font-weight: 800;
}

.manual-note,
.manual-subsection {
  padding: 16px;
  background: var(--brand-pale);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.manual-hero .manual-note {
  margin-top: 20px;
}

.manual-table-wrap + .manual-note {
  margin-top: 16px;
}

.manual-subsection {
  margin-top: 24px;
}

.manual-subsection h3 {
  margin-top: 0;
}

.manual-table-wrap {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.manual-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  background: var(--paper);
  font-size: 12px;
  line-height: 1.5;
}

.manual-table th,
.manual-table td {
  padding: 11px 9px;
  overflow-wrap: anywhere;
  text-align: left;
  vertical-align: top;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.manual-table tr:last-child > * {
  border-bottom: 0;
}

.manual-table tr > *:last-child {
  border-right: 0;
}

.manual-table thead th {
  color: var(--brand-dark);
  background: var(--brand-pale);
  font-weight: 800;
}

.manual-table tbody th {
  width: 34%;
  color: var(--ink);
  background: var(--canvas);
}

.manual-table td {
  color: var(--ink-soft);
}

.manual-single-column td {
  color: var(--ink);
  font-weight: 700;
}

@media (min-width: 620px) {
  .shell {
    width: min(100% - 48px, var(--shell));
  }

  .hero-actions {
    grid-template-columns: max-content max-content;
  }

  .microcopy {
    text-align: left;
  }

  .pain-grid,
  .value-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .value-card {
    padding: 30px 26px;
  }

  .split-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
  }

  .entry-card {
    padding: 46px 42px;
  }

  .entry-card > .button {
    justify-self: start;
  }

  .entry-instructions {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
  }

  .entry-instructions i {
    display: block;
    color: rgba(255, 255, 255, 0.55);
    font-style: normal;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .guide-shots,
  .after-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .before-card {
    grid-template-columns: auto 1fr;
    align-items: center;
    padding: 28px;
  }

  .before-card ul,
  .before-card .promo-inline,
  .before-card .refund-inline {
    grid-column: 2;
  }

  .support-card {
    grid-template-columns: auto 1fr;
    align-items: center;
    padding: 34px;
  }

  .manual-hero {
    padding-bottom: 68px;
  }

  .manual-toc {
    padding: 26px;
  }

  .manual-toc > div {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .manual-shell {
    gap: 28px;
    padding-top: 48px;
  }

  .manual-chapter {
    padding: 34px 32px;
  }

  .manual-table {
    font-size: 14px;
  }

  .manual-table th,
  .manual-table td {
    padding: 14px 13px;
  }
}

@media (min-width: 880px) {
  .section {
    padding: 104px 0;
  }

  .entry-section,
  .support-section {
    padding-top: 0;
  }

  .step-preview {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero {
    padding: 78px 0 96px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
    align-items: center;
    gap: 70px;
  }

  .hero-copy {
    padding-bottom: 10px;
  }

  .hero-visual {
    width: 390px;
  }

  .phone-card {
    min-height: 445px;
  }

  .pain-card {
    padding: 24px;
  }

  .value-card.featured {
    transform: translateY(-14px);
  }

  .pricing-layout {
    align-items: start;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
    gap: 92px;
  }

  .price-card {
    padding: 34px 32px 28px;
  }

  .faq-layout {
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
    gap: 86px;
  }

  .faq-intro {
    position: sticky;
    top: 110px;
  }

  .guide-hero {
    padding: 76px 0 64px;
  }

  .guide-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.8fr);
    align-items: center;
    gap: 80px;
  }

  .before-card {
    grid-template-columns: auto minmax(220px, 0.8fr) minmax(300px, 1.2fr);
  }

  .before-card ul {
    grid-column: 3;
    grid-row: 1;
  }

  .before-card .promo-inline,
  .before-card .refund-inline {
    grid-column: 2 / -1;
  }

  .guide-shell {
    gap: 108px;
  }

  .guide-step {
    display: grid;
    grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
    align-items: start;
    gap: 64px;
  }

  .guide-step-heading {
    position: sticky;
    top: 106px;
    margin-bottom: 0;
  }

  .screenshot-frame img {
    max-height: 470px;
  }

  .guide-entry-section .entry-card {
    align-items: center;
    grid-template-columns: 1fr auto;
  }

  .guide-entry-section .entry-card > .button {
    grid-column: 2;
  }

  .manual-hero > .shell,
  .manual-page .site-footer .shell,
  .manual-shell {
    width: min(100% - 48px, 920px);
  }

  .manual-toc {
    max-width: none;
  }
}

@media (max-width: 619px) {
  .header-inner {
    padding: 9px 0;
    flex-wrap: wrap;
    row-gap: 4px;
  }

  .header-nav {
    flex-basis: 100%;
    justify-content: space-between;
  }

  .brand small {
    display: none;
  }

  .header-link {
    font-size: 12px;
  }

  .manual-toc > div {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* Manual actions row */
.manual-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 18px;
}

.manual-actions .microcopy {
  margin: 0;
}

/* Print / save-as-PDF (manual page) */
@media print {
  @page {
    size: A4;
    margin: 12mm;
  }

  .manual-page .screenshot-frame,
  .manual-page .manual-steps li {
    break-inside: avoid;
  }

  .manual-page .screenshot-frame img {
    max-height: 90mm;
  }

  .manual-page h2,
  .manual-page h3 {
    break-after: avoid;
  }

  .manual-page details::details-content {
    content-visibility: visible;
    display: block;
  }

  .manual-page table,
  .manual-page tr {
    break-inside: avoid;
  }
  .manual-page .skip-link,
  .manual-page .site-header,
  .manual-page .manual-actions,
  .manual-page .manual-footer-nav,
  .manual-page .site-footer {
    display: none !important;
  }

  .manual-page {
    background: #fff;
  }

  .manual-page .manual-hero,
  .manual-page .manual-chapter {
    padding-top: 0;
    padding-bottom: 18px;
    box-shadow: none;
  }

  .manual-page .manual-chapter,
  .manual-page .manual-toc {
    border: none;
    box-shadow: none;
    background: #fff;
  }

  .manual-page tr,
  .manual-page .manual-chapter h2 {
    break-inside: avoid;
  }

  .manual-page .manual-toc a {
    text-decoration: none;
    color: inherit;
  }

  .manual-page a[href^="http"]::after {
    content: "";
  }
}

/* Promotional period notice */
.promo-strip {
  margin-bottom: 18px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(20, 116, 96, 0.12), rgba(20, 116, 96, 0.04));
  border: 1px solid rgba(20, 116, 96, 0.28);
  border-radius: var(--radius-md);
}

.promo-strip strong {
  display: block;
  color: var(--brand-strong, var(--brand));
  font-size: 1.02rem;
}

.promo-strip p {
  margin: 6px 0 0;
  color: var(--ink-soft, #4b5563);
  font-size: 0.86rem;
  line-height: 1.65;
}

.promo-inline {
  margin-top: 10px;
  padding: 10px 12px;
  background: rgba(20, 116, 96, 0.08);
  border-left: 3px solid var(--brand);
  border-radius: 8px;
  font-size: 0.86rem;
  line-height: 1.65;
}

/* 在线留言表单 */
.message-hint {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.message-shell {
  max-width: none;
}

.message-card {
  max-width: 640px;
  padding: 26px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.message-field {
  margin-bottom: 20px;
}

.message-field label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 0.95rem;
}

.message-field .required {
  margin-left: 6px;
  padding: 1px 7px;
  background: rgba(20, 116, 96, 0.1);
  border-radius: 999px;
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 600;
}

.message-field input,
.message-field select,
.message-field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line-2, #cfd8d5);
  border-radius: 10px;
  background: #fff;
  color: inherit;
  font: inherit;
  box-sizing: border-box;
}

.message-field textarea {
  resize: vertical;
  min-height: 120px;
}

.message-field input:focus,
.message-field select:focus,
.message-field textarea:focus {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}

.message-captcha {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.message-captcha input {
  flex: 1 1 auto;
}

.message-captcha button {
  flex: 0 0 auto;
  padding: 0;
  border: 1px solid var(--line-2, #cfd8d5);
  border-radius: 10px;
  background: #f6f8f7;
  cursor: pointer;
  overflow: hidden;
}

.message-captcha img {
  font-size: 12px;
  display: block;
  height: 44px;
  width: auto;
  min-width: 96px;
}

.message-counter {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  text-align: right;
}

.message-error {
  margin: 6px 0 0;
  color: #b23c2f;
  font-size: 0.85rem;
}

.message-error:empty {
  display: none;
}

.message-status {
  margin: 0 0 14px;
  color: #b23c2f;
  font-size: 0.9rem;
}

.message-status:empty {
  display: none;
}

.message-footnote {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.7;
}

.message-success h2 {
  margin-top: 0;
}

/* 通用隐藏（message.html 的成功卡片等依赖它，缺了会导致内容常驻可见） */
.hidden {
  display: none !important;
}
