:root {
  --ink: #152521;
  --muted: #5f6d68;
  --paper: #f5f1e8;
  --paper-strong: #fffdf8;
  --line: rgba(21, 37, 33, 0.14);
  --green: #18332d;
  --teal: #237965;
  --orange: #e96340;
  --yellow: #f0bc52;
  --shadow: 0 24px 80px rgba(33, 52, 46, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.65; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
img, svg { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; color: white; background: var(--green); border-radius: .5rem; }
.skip-link:focus { top: 1rem; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(245, 241, 232, .88); backdrop-filter: blur(18px); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; font-weight: 800; letter-spacing: -.03em; }
.brand img { width: 42px; height: 42px; }
.brand small { display: block; color: var(--muted); font-size: .66rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .93rem; font-weight: 650; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--orange); }
.lang-link { padding: .45rem .72rem; border: 1px solid var(--line); border-radius: 999px; }
.language-switcher { position: relative; }
.language-switcher summary { padding: .45rem .72rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .88rem; font-weight: 750; list-style: none; }
.language-switcher summary::-webkit-details-marker { display: none; }
.language-switcher summary::after { content: " ↓"; font-size: .72rem; }
.language-switcher[open] summary { color: var(--orange); }
.language-menu { position: absolute; right: 0; top: calc(100% + .7rem); z-index: 30; min-width: 180px; display: grid; padding: .5rem; border: 1px solid var(--line); border-radius: 16px; background: var(--paper-strong); box-shadow: var(--shadow); }
.language-menu a { padding: .55rem .7rem; border-radius: 10px; white-space: nowrap; }
.language-menu a:hover { background: var(--paper); }
.menu-button { display: none; width: 44px; height: 44px; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 50%; }

.hero { position: relative; overflow: hidden; padding: 104px 0 92px; }
.hero::before { content: ""; position: absolute; inset: -20% -5% auto 55%; height: 620px; border-radius: 50%; background: radial-gradient(circle, rgba(240,188,82,.28), rgba(240,188,82,0) 68%); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); gap: 7vw; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: .55rem; margin: 0 0 1.3rem; color: var(--teal); font-size: .79rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 30px; height: 2px; background: currentColor; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.045em; }
h1 { max-width: 820px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3.2rem, 7vw, 6.6rem); font-weight: 500; }
.hero h1 em { color: var(--orange); font-style: italic; }
.lead { max-width: 670px; margin: 1.6rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.28rem); }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: .5rem; padding: .78rem 1.15rem; border: 1px solid var(--green); border-radius: 999px; text-decoration: none; font-weight: 800; transition: transform .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: white; background: var(--green); box-shadow: 0 12px 30px rgba(24,51,45,.22); }
.button.secondary { background: rgba(255,255,255,.32); }
.trust-row { display: flex; flex-wrap: wrap; gap: 1.25rem 2rem; margin: 2.1rem 0 0; padding: 0; color: var(--muted); list-style: none; font-size: .92rem; }
.trust-row li::before { content: "✓"; margin-right: .45rem; color: var(--teal); font-weight: 900; }

.workflow-board { position: relative; min-height: 500px; padding: 2rem; border: 1px solid rgba(255,255,255,.12); border-radius: 34px; color: white; background: var(--green); box-shadow: var(--shadow); }
.board-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2.4rem; }
.board-top strong { font-size: .85rem; letter-spacing: .11em; text-transform: uppercase; }
.board-top span { padding: .35rem .65rem; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: rgba(255,255,255,.7); font-size: .72rem; }
.flow-line { position: absolute; left: 54px; top: 116px; bottom: 65px; width: 2px; background: linear-gradient(var(--orange), var(--yellow), var(--teal)); }
.flow-item { position: relative; display: grid; grid-template-columns: 38px 1fr auto; gap: 1rem; align-items: center; margin-bottom: 1.25rem; padding: 1rem; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(255,255,255,.06); }
.flow-item::before { content: attr(data-step); display: grid; width: 38px; height: 38px; place-items: center; border-radius: 50%; color: var(--green); background: var(--paper-strong); font-weight: 900; }
.flow-item strong { display: block; font-size: .98rem; }
.flow-item small { color: rgba(255,255,255,.62); }
.flow-item .state { width: 9px; height: 9px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 6px rgba(240,188,82,.12); }
.board-note { margin: 1.7rem 0 0 3.4rem; color: rgba(255,255,255,.66); font-size: .86rem; }

.section { padding: 90px 0; }
.section.white { background: var(--paper-strong); }
.section.dark { color: white; background: var(--green); }
.section-heading { display: grid; grid-template-columns: .65fr 1.35fr; gap: 3rem; margin-bottom: 3rem; align-items: end; }
.section-heading h2 { max-width: 760px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.35rem, 4.7vw, 4.5rem); font-weight: 500; }
.section-heading p { margin: 0; color: var(--muted); }
.dark .section-heading p { color: rgba(255,255,255,.66); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.service-card { min-height: 310px; display: flex; flex-direction: column; padding: 1.6rem; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.48); }
.service-card:nth-child(2) { background: #edf3ee; }
.service-card:nth-child(3) { background: #f8eadf; }
.service-number { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--orange); font-size: .8rem; font-weight: 900; }
.service-card h3 { margin: auto 0 .75rem; font-size: 1.55rem; }
.service-card p { margin: 0 0 1rem; color: var(--muted); }
.service-card ul { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: .91rem; }
.example-list { display: grid; gap: 1px; border: 1px solid rgba(255,255,255,.13); border-radius: 24px; overflow: hidden; background: rgba(255,255,255,.13); }
.example { display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 2rem; padding: 1.5rem 1.7rem; background: var(--green); }
.example small { color: var(--yellow); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.example strong { font-size: 1.12rem; }
.example span { color: rgba(255,255,255,.62); font-size: .92rem; }
.package-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.package { position: relative; padding: 1.5rem; border: 1px solid var(--line); border-radius: 22px; background: white; }
.package.featured { color: white; background: var(--green); transform: translateY(-8px); }
.package .tag { color: var(--teal); font-size: .74rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.package.featured .tag { color: var(--yellow); }
.package h3 { min-height: 48px; margin: .85rem 0 .6rem; font-size: 1.28rem; }
.price { margin: 0 0 1rem; font-family: Georgia, "Times New Roman", serif; font-size: 2rem; }
.package p, .package li { color: var(--muted); font-size: .88rem; }
.package.featured p, .package.featured li { color: rgba(255,255,255,.7); }
.package ul { padding-left: 1.1rem; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.process-step { padding: 1.6rem 1.3rem 0 0; }
.process-step:not(:last-child) { border-right: 1px solid var(--line); }
.process-step + .process-step { padding-left: 1.3rem; }
.process-step b { color: var(--orange); font-size: .78rem; letter-spacing: .1em; }
.process-step h3 { margin: 1.2rem 0 .65rem; font-size: 1.35rem; }
.process-step p { color: var(--muted); font-size: .92rem; }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 6vw; align-items: start; }
.about-grid h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.4rem, 5vw, 4.5rem); font-weight: 500; }
.about-copy p { color: rgba(255,255,255,.7); font-size: 1.04rem; }
.capabilities { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.5rem; }
.capabilities span { padding: .45rem .72rem; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; color: rgba(255,255,255,.78); font-size: .82rem; }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 7vw; align-items: start; }
.contact-copy h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.5rem, 5vw, 4.8rem); font-weight: 500; }
.contact-copy p { color: var(--muted); }
.contact-form { display: grid; gap: 1rem; padding: 1.7rem; border: 1px solid var(--line); border-radius: 26px; background: var(--paper-strong); box-shadow: var(--shadow); }
.field { display: grid; gap: .38rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { font-size: .82rem; font-weight: 800; }
input, select, textarea { width: 100%; padding: .82rem .9rem; color: var(--ink); border: 1px solid var(--line); border-radius: 12px; background: white; }
textarea { min-height: 108px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(35,121,101,.16); border-color: var(--teal); }
.form-note { margin: 0; color: var(--muted); font-size: .78rem; }
.form-status { min-height: 1.5em; margin: 0; color: var(--muted); font-size: .86rem; font-weight: 700; }
.form-status.success { color: #176b55; }
.form-status.error { color: #a63d32; }
.contact-form button[disabled] { cursor: wait; opacity: .65; }
.honey-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.case-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.case-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.case-detail { padding: 1.5rem; border: 1px solid var(--line); border-radius: 22px; background: var(--paper-strong); }
.case-detail h2, .case-detail h3 { margin-top: .5rem; }
.case-detail p, .case-detail li { color: var(--muted); }
.case-detail .result { padding: 1rem; border-left: 3px solid var(--orange); background: rgba(219,91,65,.07); }
.case-label { color: var(--teal); font-size: .76rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
details { padding: 1.1rem 1.25rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.4); }
summary { cursor: pointer; font-weight: 800; }
details p { margin-bottom: 0; color: var(--muted); }
.site-footer { padding: 2rem 0; border-top: 1px solid var(--line); }
.footer-row { display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .85rem; }

@media (max-width: 920px) {
  .hero-grid, .section-heading, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 3.5rem; }
  .service-grid, .package-grid, .case-detail-grid { grid-template-columns: 1fr 1fr; }
  .example { grid-template-columns: 1fr; gap: .35rem; }
  .section-heading { gap: 1rem; }
}
@media (max-width: 700px) {
  .shell { width: min(100% - 28px, 1180px); }
  .nav-links { position: absolute; top: 76px; left: 14px; right: 14px; display: grid; gap: 0; padding: .6rem; border: 1px solid var(--line); border-radius: 18px; background: var(--paper-strong); box-shadow: var(--shadow); }
  .nav-links[hidden] { display: none; }
  .nav-links a { padding: .8rem; }
  .nav:not(:has(.menu-button)) .nav-links { position: static; width: auto; display: flex; padding: 0; border: 0; background: transparent; box-shadow: none; }
  .nav:not(:has(.menu-button)) .nav-links a { padding: .45rem; font-size: .78rem; }
  .language-switcher { margin: .35rem .5rem .5rem; }
  .language-switcher summary { padding: .7rem; }
  .language-menu { position: static; margin-top: .45rem; box-shadow: none; }
  .menu-button { display: grid; place-items: center; }
  .hero { padding: 72px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; }
  .workflow-board { min-height: auto; padding: 1.2rem; }
  .flow-line { display: none; }
  .flow-item { grid-template-columns: 34px 1fr; }
  .flow-item .state { display: none; }
  .board-note { margin-left: 0; }
  .section { padding: 64px 0; }
  .service-grid, .package-grid, .process-grid, .faq, .field-row, .case-detail-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 260px; }
  .package.featured { transform: none; }
  .process-step:not(:last-child) { border-right: 0; border-bottom: 1px solid var(--line); }
  .process-step + .process-step { padding-left: 0; }
  .footer-row { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}