:root {
  --ink: #14201b;
  --muted: #526159;
  --line: #dce5df;
  --surface: #f5f8f6;
  --white: #ffffff;
  --green: #08795c;
  --green-dark: #055d47;
  --lime: #d8f278;
  --red: #b42318;
  --shadow: 0 18px 45px rgba(20, 32, 27, 0.12);
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.25; letter-spacing: 0; }
h1 { font-size: clamp(2.25rem, 5vw, 4.75rem); margin-bottom: 22px; }
h2 { font-size: clamp(1.65rem, 3vw, 2.6rem); margin-bottom: 16px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(800px, calc(100% - 40px)); }
.skip-link { position: absolute; left: -9999px; top: 10px; }
.skip-link:focus { left: 10px; z-index: 100; background: white; padding: 8px 12px; }
.notice-bar { background: var(--ink); color: white; font-size: 0.86rem; }
.notice-inner { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.notice-bar a { color: var(--lime); }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.nav-wrap { min-height: 74px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-size: .78rem; font-weight: 700; white-space: nowrap; }
.brand img { width: 122px; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.site-nav a { color: var(--ink); font-size: .92rem; font-weight: 650; }
.site-nav a[aria-current="page"] { color: var(--green); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: white; border-radius: 6px; padding: 10px; }
.nav-toggle span { display: block; height: 2px; background: var(--ink); margin: 4px 0; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border: 1px solid var(--green); border-radius: 6px; background: var(--green); color: white; font-weight: 750; line-height: 1.2; text-align: center; }
.button:hover { background: var(--green-dark); color: white; text-decoration: none; }
.button-small { min-height: 40px; padding: 0 16px; font-size: .9rem; }
.button-secondary { background: white; color: var(--green-dark); }
.button-secondary:hover { background: var(--surface); color: var(--green-dark); }
.button-light { background: var(--lime); border-color: var(--lime); color: var(--ink); }
.button-light:hover { background: white; color: var(--ink); }
.eyebrow { margin-bottom: 12px; color: var(--green); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.lead { max-width: 750px; color: var(--muted); font-size: 1.12rem; }
.hero {
  min-height: 660px;
  display: grid;
  align-items: center;
  color: white;
  background:
    linear-gradient(90deg, rgba(5,46,36,.97) 0%, rgba(5,46,36,.90) 48%, rgba(5,46,36,.30) 100%),
    url("../images/sm.png") center right / cover no-repeat;
}
.hero-content { max-width: 650px; padding: 78px 0 190px; }
.hero h1 { font-size: 2.75rem; }
.hero .eyebrow { color: var(--lime); }
.hero .lead { color: #e7f0eb; font-size: 1.06rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 30px 0 0; padding: 0; list-style: none; font-size: .92rem; }
.hero-points li::before { content: "✓"; color: var(--lime); font-weight: 900; margin-right: 8px; }
.trust-strip { margin-top: -124px; position: relative; z-index: 3; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: white; box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; }
.trust-item { min-height: 150px; padding: 28px; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; margin-bottom: 8px; color: var(--green-dark); font-size: 1.1rem; }
.trust-item p { margin: 0; color: var(--muted); font-size: .9rem; }
.section { padding: 82px 0; }
.section-soft { background: var(--surface); }
.section-head { max-width: 720px; margin-bottom: 38px; }
.section-head h2 { font-size: 2rem; }
.section-head p:last-child { color: var(--muted); }
.plan-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.plan { position: relative; display: block; padding: 28px 28px 112px; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.plan.featured { border: 2px solid var(--green); box-shadow: var(--shadow); }
.plan-label { display: inline-block; margin-bottom: 16px; padding: 4px 9px; border-radius: 4px; background: var(--lime); font-size: .74rem; font-weight: 800; }
.plan-price { margin: 16px 0; font-size: 2.15rem; font-weight: 800; }
.plan-price span { color: var(--muted); font-size: .85rem; font-weight: 500; }
.plan ul { margin: 20px 0 24px; padding: 0; list-style: none; color: var(--muted); }
.plan li { padding: 5px 0; }
.plan li::before { content: "✓"; margin-right: 8px; color: var(--green); font-weight: 800; }
.plan .button { position: absolute; right: 28px; bottom: 28px; left: 28px; width: auto; }
.compare-table { width: 100%; border-collapse: collapse; background: white; border: 1px solid var(--line); }
.compare-table th, .compare-table td { padding: 17px 20px; border-bottom: 1px solid var(--line); text-align: left; }
.compare-table th { background: var(--ink); color: white; }
.compare-table tr:last-child td { border-bottom: 0; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: step; }
.step { counter-increment: step; padding-top: 20px; border-top: 2px solid var(--line); }
.step::before { content: "0" counter(step); display: block; margin-bottom: 16px; color: var(--green); font-size: 1.7rem; font-weight: 850; }
.step p { color: var(--muted); font-size: .94rem; }
.media-band { padding: 64px 0; background: var(--ink); color: white; }
.media-band-inner { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: 64px; }
.media-band-copy { padding: 20px 0; }
.media-band-copy h2 { font-size: 2rem; }
.media-band-copy .eyebrow { color: var(--lime); }
.media-band-copy p { color: #dce8e1; }
.media-band-image { padding: 12px; border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); background: white; overflow: hidden; }
.media-band-image img { width: 100%; aspect-ratio: 1074 / 730; object-fit: contain; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 32px; }
.feature-list div { padding-top: 14px; border-top: 1px solid rgba(255,255,255,.2); }
.feature-list strong { display: block; color: var(--lime); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; padding: 20px 34px 20px 0; font-weight: 750; list-style: none; position: relative; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 17px; color: var(--green); font-size: 1.4rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-answer { padding: 0 0 22px; color: var(--muted); }
.faq-answer p:last-child, .faq-answer ul:last-child { margin-bottom: 0; }
.page-hero { padding: 82px 0 74px; background: var(--surface); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); }
.page-layout { display: grid; grid-template-columns: 240px 1fr; gap: 64px; padding: 72px 0 100px; }
.side-nav { position: sticky; top: 100px; align-self: start; display: grid; gap: 4px; }
.side-nav a { padding: 9px 12px; border-left: 2px solid var(--line); color: var(--muted); font-size: .92rem; }
.side-nav a:hover { border-color: var(--green); color: var(--green); text-decoration: none; }
.prose { max-width: 820px; }
.prose h2 { margin: 48px 0 16px; font-size: 1.65rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 30px; }
.prose p, .prose li { color: #34443b; }
.prose img { margin: 22px 0; border: 1px solid var(--line); border-radius: var(--radius); }
.callout { margin: 28px 0; padding: 22px 24px; border-left: 4px solid var(--green); background: var(--surface); }
.callout strong { color: var(--green-dark); }
.action-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.process-list { display: grid; gap: 24px; counter-reset: process; }
.process-item { counter-increment: process; display: grid; grid-template-columns: 64px 1fr; gap: 20px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.process-item::before { content: counter(process); width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--lime); font-size: 1.3rem; font-weight: 800; }
.report-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.report-gallery figure { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: white; }
.report-gallery figcaption { padding: 14px 16px; color: var(--muted); font-size: .88rem; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact-item { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); }
.contact-item p { margin: 0; color: var(--muted); }
.article-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.article-list-section { padding-top: 64px; }
.article-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.article-card h2 { font-size: 1.18rem; }
.article-card p { color: var(--muted); }
.text-link { font-weight: 750; }
.article-hero { padding: 60px 0 50px; background: var(--surface); border-bottom: 1px solid var(--line); }
.article-hero h1 { font-size: 2.25rem; }
.article-body { padding-top: 52px; padding-bottom: 96px; }
.article-body h2 { margin-top: 40px; font-size: 1.35rem; }
.article-body h3 { margin-top: 28px; font-size: 1.08rem; }
.article-body p, .article-body li { color: #34443b; }
.article-body li { margin: 8px 0; }
.article-cta { margin-top: 56px; padding: 28px; border-left: 4px solid var(--green); background: var(--surface); }
.final-cta { padding: 54px 0; background: var(--green); color: white; }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.final-cta .eyebrow { color: var(--lime); }
.final-cta h2 { max-width: 760px; margin-bottom: 0; font-size: clamp(1.5rem, 3vw, 2.35rem); }
.site-footer { padding: 66px 0 24px; background: var(--ink); color: #d5dfd9; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 42px; }
.footer-grid h2 { color: white; font-size: .95rem; }
.footer-grid a, .footer-grid span { display: block; margin: 7px 0; color: #d5dfd9; font-size: .88rem; }
.footer-grid p { max-width: 320px; font-size: .9rem; }
.footer-brand img { filter: brightness(0) invert(1); }
.footer-bottom { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 48px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #9dafA5; font-size: .78rem; }
.footer-bottom a { color: #c9d7cf; }

@media (max-width: 1180px) {
  .plan-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .brand span, .site-header > .container > .button { display: none; }
  .nav-toggle { display: block; margin-left: auto; }
  .site-nav { display: none; position: absolute; top: 74px; left: 0; right: 0; padding: 16px 20px 24px; background: white; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .site-nav.is-open { display: grid; gap: 4px; }
  .site-nav a { padding: 9px 0; }
  .trust-grid, .plan-grid, .steps, .contact-grid, .article-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item { border-bottom: 1px solid var(--line); }
  .media-band-inner { gap: 30px; }
  .page-layout { grid-template-columns: 1fr; gap: 28px; }
  .side-nav { position: static; display: flex; overflow-x: auto; }
  .side-nav a { white-space: nowrap; border-left: 0; border-bottom: 2px solid var(--line); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .container, .narrow { width: min(100% - 28px, 1160px); }
  .notice-inner { padding: 7px 0; line-height: 1.35; }
  .notice-inner a { display: none; }
  .nav-wrap { min-height: 64px; }
  .brand img { width: 112px; }
  .site-nav { top: 64px; }
  h1 { font-size: 2.15rem; }
  .hero { min-height: 670px; background-position: 62% center; }
  .hero-content { padding: 58px 0 180px; }
  .hero h1 { font-size: 1.95rem; }
  .hero-actions .button { width: 100%; }
  .trust-strip { margin-top: -130px; }
  .trust-grid, .plan-grid, .steps, .feature-list, .report-gallery, .contact-grid, .footer-grid, .article-grid { grid-template-columns: 1fr; }
  .trust-item { min-height: auto; border-right: 0; }
  .section { padding: 60px 0; }
  .section-head h2, .media-band-copy h2 { font-size: 1.65rem; }
  .plan ul { min-height: auto; }
  .compare-table { display: block; overflow-x: auto; font-size: .88rem; }
  .media-band { padding: 48px 0; }
  .media-band-inner { grid-template-columns: 1fr; gap: 30px; }
  .media-band-copy { padding: 0; }
  .page-hero { padding: 58px 0 50px; }
  .page-hero h1 { font-size: 1.9rem; }
  .article-list-section { padding-top: 40px; }
  .article-hero { padding: 42px 0 36px; }
  .article-hero h1 { font-size: 1.85rem; }
  .article-body h2 { font-size: 1.25rem; }
  .page-layout { padding: 48px 0 72px; }
  .process-item { grid-template-columns: 50px 1fr; gap: 14px; }
  .process-item::before { width: 44px; height: 44px; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-bottom { display: grid; gap: 4px; }
}