/* ===================================================================
   芸端睿宝-中国入境接待 / Yunduan Rainbow · China Inbound Reception — mobile-first responsive H5
   Palette: navy / brass / teal / warm white. Logical properties for RTL.
   =================================================================== */
:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --navy-soft: #eef2f8;
  --brass: #c8a45c;
  --brass-soft: #f6eddb;
  --teal: #0f766e;
  --teal-soft: #e5f4f1;
  --ink: #17243a;
  --muted: #5a6b83;
  --line: #dfe6ef;
  --paper: #ffffff;
  --warm: #f7f5f0;
  --danger: #a3332b;
  --danger-soft: #fdeceb;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(11, 37, 69, .08);
  --shadow-lg: 0 22px 60px rgba(11, 37, 69, .14);
  --maxw: 1160px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; }
a { color: var(--navy-2); text-underline-offset: 3px; }
a:hover { color: var(--teal); }
h1, h2, h3 { margin: 0 0 .6em; line-height: 1.2; letter-spacing: -.02em; color: var(--navy); }
h1 { font-size: clamp(2rem, 6vw, 3.35rem); }
h2 { font-size: clamp(1.55rem, 4vw, 2.25rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }
.container { width: min(100% - 2.25rem, var(--maxw)); margin-inline: auto; }
.skip-link { position: absolute; inset-inline-start: -9999px; }
.skip-link:focus { inset-inline-start: 1rem; top: 1rem; z-index: 100; background: var(--navy); color: #fff; padding: .7rem 1rem; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.4rem; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 650; font-size: .96rem; text-decoration: none;
  cursor: pointer; transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--navy); color: #fff; box-shadow: 0 8px 22px rgba(11, 37, 69, .22); }
.btn-primary:hover { background: var(--navy-2); color: #fff; box-shadow: 0 12px 28px rgba(11, 37, 69, .28); }
.btn-outline { border-color: rgba(255, 255, 255, .55); color: #fff; background: rgba(255, 255, 255, .06); }
.btn-outline:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--navy); background: #fff; }
.btn-ghost:hover { background: var(--navy-soft); color: var(--navy); }
.btn-block { width: 100%; padding-block: 1rem; font-size: 1.02rem; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40; background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 1rem; min-height: 68px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; color: var(--navy); }
.brand-mark {
  display: grid; place-items: center; inline-size: 38px; block-size: 38px;
  background: var(--navy); color: var(--brass); border-radius: 10px; font-size: 1.1rem;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: .88rem; letter-spacing: .09em; }
.brand-text small { font-size: .58rem; letter-spacing: .14em; color: var(--muted); }
.header-nav { display: none; gap: 1.35rem; margin-inline-start: auto; align-items: center; }
.header-nav a { text-decoration: none; font-size: .9rem; font-weight: 600; color: var(--ink); }
.header-nav a:hover { color: var(--teal); }
.header-nav .nav-cta { background: var(--brass-soft); color: var(--navy); padding: .5rem .9rem; border-radius: 8px; border: 1px solid #e8d7b3; }
.lang-switch { display: flex; gap: .3rem; margin-inline-start: auto; }
.header-nav + .lang-switch { margin-inline-start: 0; }
.lang-switch button { border: 1px solid var(--line); background: #fff; color: var(--muted); border-radius: 7px; padding: .3rem .6rem; font: inherit; font-size: .78rem; cursor: pointer; }
.lang-switch button.lang-active { background: var(--navy); border-color: var(--navy); color: #fff; font-weight: 700; }
.lang-switch button:disabled { opacity: .45; cursor: not-allowed; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, #0b2545 0%, #13315c 52%, #0f766e 130%);
}
.hero-decor {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 88% 12%, rgba(200, 164, 92, .28), transparent 38%),
    radial-gradient(circle at 8% 88%, rgba(15, 118, 110, .35), transparent 40%);
}
.hero-decor::after {
  content: ""; position: absolute; inset-inline-end: -60px; inset-block-start: 20px;
  inline-size: 260px; block-size: 260px; border: 1px solid rgba(255, 255, 255, .13); border-radius: 50%;
}
.hero-inner { position: relative; padding-block: clamp(3rem, 9vw, 6rem); max-width: 860px; }
.eyebrow, .section-kicker, .policy-tag, .result-kicker {
  font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
}
.eyebrow { color: var(--brass); margin-bottom: 1rem; }
.hero h1 { color: #fff; max-width: 18ch; }
.hero-lead { font-size: clamp(1rem, 2.2vw, 1.16rem); color: rgba(255, 255, 255, .84); max-width: 66ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-block: 1.8rem; }
.hero-actions .btn-primary { background: var(--brass); color: var(--navy); box-shadow: 0 10px 26px rgba(0, 0, 0, .2); }
.hero-actions .btn-primary:hover { background: #dcbc78; color: var(--navy); }
.hero-trust { list-style: none; padding: 0; margin: 2.4rem 0 0; display: grid; gap: 1rem; border-block-start: 1px solid rgba(255, 255, 255, .18); padding-block-start: 1.6rem; }
.hero-trust li { display: flex; flex-direction: column; }
.hero-trust strong { color: #fff; font-size: .95rem; }
.hero-trust span { color: rgba(255, 255, 255, .68); font-size: .82rem; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(3rem, 7vw, 5rem); }
.section-tint { background: var(--warm); }
.section-kicker { color: var(--teal); margin-bottom: .7rem; }
.section-title { max-width: 24ch; }
.section-sub { color: var(--muted); max-width: 66ch; margin-bottom: 2rem; }

.service-grid { display: grid; gap: 1rem; margin-top: 1.5rem; }
.service-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.4rem 1.4rem; box-shadow: var(--shadow); transition: transform .18s ease, border-color .18s ease;
}
.service-card:hover { transform: translateY(-3px); border-color: var(--brass); }
.service-card::before { content: ""; position: absolute; inset-block-start: 0; inset-inline-start: 1.4rem; inline-size: 42px; block-size: 3px; border-radius: 0 0 3px 3px; background: var(--brass); }
.service-card:nth-child(3n)::before { background: var(--teal); }
.service-card:has(.service-media)::before { display: none; }
.service-num { font-size: .72rem; font-weight: 800; letter-spacing: .14em; color: var(--brass); }
.service-card h3 { margin-top: .45rem; }
.service-card p { color: var(--muted); font-size: .92rem; margin: 0; }
.service-media {
  margin: -1.6rem -1.4rem 1.1rem; border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden; aspect-ratio: 3 / 2; background: var(--navy);
  border-bottom: 3px solid var(--brass);
}
.service-media img { display: block; width: 100%; height: 100%; object-fit: cover; }

.split { display: grid; gap: 2rem; }
.steps { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1.2rem; }
.steps li { display: flex; gap: 1rem; align-items: flex-start; }
.steps li > span {
  flex: 0 0 34px; display: grid; place-items: center; inline-size: 34px; block-size: 34px;
  border-radius: 50%; background: var(--navy); color: var(--brass); font-weight: 800; font-size: .88rem;
}
.steps strong { display: block; color: var(--navy); }
.steps p { margin: .2rem 0 0; color: var(--muted); font-size: .92rem; }
.prepay-card {
  background: linear-gradient(160deg, #fff, var(--brass-soft)); border: 1px solid #e8d7b3;
  border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); align-self: start;
}
.prepay-icon { font-size: 1.8rem; color: var(--brass); margin: 0 0 .4rem; }
.prepay-card h3 { font-size: 1.3rem; }
.prepay-card p { font-size: .94rem; color: var(--ink); }
.prepay-note { border-block-start: 1px solid #e8d7b3; padding-block-start: 1rem; margin-bottom: 0; color: var(--muted) !important; font-size: .86rem !important; }

/* ---------- Policies ---------- */
.policy-grid { display: grid; gap: 1.4rem; margin-top: 1.5rem; }
.policy {
  border-radius: var(--radius); padding: 1.6rem 1.4rem; border: 2px solid var(--line); background: #fff;
  box-shadow: var(--shadow);
}
.policy-privacy { border-color: #b9ddd7; background: linear-gradient(180deg, var(--teal-soft), #fff 42%); }
.policy-cancel { border-color: #e8d7b3; background: linear-gradient(180deg, var(--brass-soft), #fff 42%); }
.policy-head { display: flex; align-items: center; gap: .9rem; margin-bottom: 1rem; }
.policy-icon { display: grid; place-items: center; inline-size: 46px; block-size: 46px; border-radius: 12px; background: #fff; box-shadow: var(--shadow); font-size: 1.25rem; }
.policy-tag { margin: 0 0 .15rem; color: var(--teal); }
.policy-cancel .policy-tag { color: #8a6a20; }
.policy-head h3 { margin: 0; font-size: 1.3rem; }
.policy p { font-size: .93rem; }
.policy ul { padding-inline-start: 1.1rem; margin: 1rem 0; }
.policy li { font-size: .9rem; color: var(--ink); margin-bottom: .65rem; padding-inline-start: .2rem; }
.policy li::marker { color: var(--teal); }
.policy-cancel li::marker { color: var(--brass); }
.policy-contact {
  margin: 0; padding: .9rem 1rem; background: rgba(255, 255, 255, .8);
  border: 1px dashed var(--line); border-radius: 10px; font-size: .86rem !important; color: var(--muted);
}

/* ---------- Form ---------- */
.form-wrap { display: grid; gap: 2rem; }
.form-intro-note { background: var(--navy-soft); border-inline-start: 4px solid var(--teal); padding: 1.1rem 1.2rem; border-radius: 0 10px 10px 0; }
.form-intro-note strong { color: var(--navy); }
.form-intro-note p { margin: .4rem 0 0; color: var(--muted); font-size: .9rem; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow-lg); }
.form-grid { display: grid; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: .4rem; min-width: 0; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 700; color: var(--navy); }
.field input, .field select, .field textarea, .city-trigger {
  width: 100%; font: inherit; font-size: .95rem; color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: 9px; padding: .72rem .85rem; transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input::placeholder, .field textarea::placeholder { color: #9aa8ba; }
.field input:focus, .field select:focus, .field textarea:focus, .city-trigger:focus {
  border-color: var(--teal); box-shadow: 0 0 0 3px rgba(15, 118, 110, .12); outline: none;
}
.field-hint { margin: 0; font-size: .78rem; color: var(--muted); min-height: 1.1em; }
/* 机场二级下拉：未选择城市前禁用；选项完全来自表2，禁止客户手写 */
.field select:disabled { background: #f4f6f9; color: #9aa5b3; cursor: not-allowed; }
.field select { appearance: auto; }

/* custom city dropdown */
.city-select { position: relative; }
.city-trigger { display: flex; align-items: center; justify-content: space-between; text-align: start; cursor: pointer; }
.city-trigger .chev { color: var(--muted); transition: transform .18s; }
.city-trigger[aria-expanded="true"] .chev { transform: rotate(180deg); }
.city-list {
  position: absolute; z-index: 30; inset-block-start: calc(100% + 6px); inset-inline: 0;
  list-style: none; margin: 0; padding: .35rem; max-height: 268px; overflow-y: auto;
  background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-lg);
}
.city-option {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  padding: .65rem .7rem; border-radius: 7px; cursor: pointer; font-size: .92rem;
}
.city-option:hover, .city-option:focus { background: var(--navy-soft); }
.city-option__name { font-weight: 600; color: var(--navy); }
.city-option__badge { font-size: .7rem; letter-spacing: .06em; color: var(--teal); background: var(--teal-soft); padding: .15rem .5rem; border-radius: 20px; white-space: nowrap; }
.city-option.is-disabled { cursor: not-allowed; background: #f4f6f9; }
.city-option.is-disabled .city-option__name { color: #9aa5b3; font-weight: 500; }
.city-option.is-disabled .city-option__badge { color: #8b96a5; background: #e9edf2; }
.city-option.is-disabled:hover { background: #eef1f5; }
.city-option--empty { color: var(--muted); cursor: default; }
.city-tip {
  display: none; position: absolute; inset-inline-end: .5rem; inset-block-start: -2px;
  transform: translateY(-100%); background: var(--navy); color: #fff; font-size: .74rem;
  padding: .3rem .55rem; border-radius: 6px; white-space: nowrap; z-index: 31;
}
.city-option.is-disabled:hover .city-tip, .city-option.is-disabled:focus .city-tip { display: block; }

.consent { display: flex; gap: .65rem; align-items: flex-start; margin-block: 1.3rem; font-size: .86rem; color: var(--muted); }
.consent input { margin-block-start: .25rem; inline-size: 17px; block-size: 17px; accent-color: var(--teal); flex: 0 0 auto; }
.form-error { background: var(--danger-soft); color: var(--danger); border: 1px solid #f0c4c0; border-radius: 9px; padding: .8rem 1rem; font-size: .9rem; margin-bottom: 1rem; }

.pay-area { border-block-start: 1px solid var(--line); padding-block-start: 1.3rem; }
.pay-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.pay-label { margin: 0; font-weight: 800; color: var(--navy); font-size: 1rem; }
.pay-note { margin: .3rem 0 0; font-size: .85rem; color: var(--muted); max-width: 52ch; }
.pay-amount { text-align: end; background: var(--brass-soft); border: 1px solid #e8d7b3; border-radius: 10px; padding: .55rem .9rem; min-width: 190px; }
.pay-amount span { display: block; font-size: 1.12rem; font-weight: 800; color: var(--navy); line-height: 1.25; white-space: nowrap; }
.pay-amount small { font-size: .72rem; color: var(--muted); }
.estimate-factors { margin: 0 0 1rem; padding: .7rem .9rem; background: var(--navy-soft); border-radius: 9px; font-size: .82rem; color: var(--muted); }
.pay-disclaimer { margin: .9rem 0 0; font-size: .78rem; color: var(--muted); text-align: center; }

/* Lead ID result */
.lead-result { background: #fff; border: 2px solid var(--brass); border-radius: var(--radius); padding: 1.8rem 1.4rem; box-shadow: var(--shadow-lg); text-align: center; }
.result-kicker { color: var(--teal); margin-bottom: .6rem; }
.lead-result h3 { font-size: 1.2rem; }
.lead-id { font-size: clamp(1.2rem, 4vw, 1.8rem); font-weight: 800; letter-spacing: .04em; color: var(--navy); background: var(--navy-soft); padding: .7rem; border-radius: 10px; word-break: break-all; margin-bottom: .8rem; }
.result-amount { font-weight: 700; color: var(--teal); }
.result-text { font-size: .92rem; color: var(--muted); text-align: start; }
.result-redirect { margin: .8rem 0 0; font-size: .8rem; color: var(--muted); }

/* Return banner */
.return-banner { margin-block: 1.5rem; padding: 1.1rem 1.3rem; border-radius: 12px; border-inline-start: 5px solid var(--navy); background: var(--navy-soft); }
.return-banner h2 { font-size: 1.15rem; margin-bottom: .35rem; }
.return-banner p { margin: 0; font-size: .92rem; color: var(--ink); }
.return-banner--ok { border-color: var(--teal); background: var(--teal-soft); }
.return-banner--warn { border-color: var(--brass); background: var(--brass-soft); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, .78); padding-block: 2.6rem 1.6rem; }
.footer-inner { display: grid; gap: 1.4rem; }
.footer-brand { color: #fff; font-weight: 800; letter-spacing: .08em; margin-bottom: .4rem; }
.footer-brand span { display: block; font-weight: 500; font-size: .68rem; letter-spacing: .16em; color: var(--brass); }
.footer-muted, .footer-legal, .footer-fine { font-size: .82rem; color: rgba(255, 255, 255, .62); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: .7rem 1.3rem; }
.site-footer nav a { color: rgba(255, 255, 255, .85); font-size: .86rem; text-decoration: none; }
.site-footer nav a:hover { color: var(--brass); }
.footer-legal { border-block-start: 1px solid rgba(255, 255, 255, .14); padding-block-start: 1.2rem; margin: 0; line-height: 1.7; }
.footer-fine { margin: 0; line-height: 1.7; }

/* ---------- Sandbox checkout ---------- */
.sandbox-body { background: var(--navy-soft); min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.sandbox-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 2rem 1.6rem; width: min(100%, 520px); border-block-start: 5px solid var(--brass); }
.sandbox-badge { font-size: .7rem; letter-spacing: .14em; font-weight: 800; color: var(--teal); }
.sandbox-card h1 { font-size: 1.6rem; }
.muted { color: var(--muted); font-size: .9rem; }
.sandbox-list { display: grid; grid-template-columns: auto 1fr; gap: .55rem 1rem; margin-block: 1.4rem; font-size: .92rem; }
.sandbox-list dt { color: var(--muted); }
.sandbox-list dd { margin: 0; text-align: end; font-weight: 600; word-break: break-all; }
.sandbox-actions { display: grid; gap: .7rem; }
.sandbox-msg { margin: 1rem 0 0; font-size: .85rem; color: var(--teal); min-height: 1.2em; }

/* ---------- Responsive ---------- */
@media (min-width: 560px) {
  .hero-trust { grid-template-columns: repeat(3, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .form-card { padding: 1.8rem; }
}
@media (min-width: 860px) {
  .header-nav { display: flex; }
  .lang-switch { margin-inline-start: .4rem; }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: start; }
  .policy-grid { grid-template-columns: repeat(2, 1fr); }
  .form-wrap { grid-template-columns: .8fr 1.2fr; gap: 2.8rem; align-items: start; }
  .footer-inner { grid-template-columns: 1.3fr 1fr; }
  .footer-legal, .footer-fine { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* ---------- 简体中文界面（运营 / 服务 / 执行接待人员） ---------- */
html[lang="zh-CN"] body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
}
html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3 { letter-spacing: 0; }
html[lang="zh-CN"] .hero h1 { max-width: 20ch; }
html[lang="zh-CN"] .eyebrow,
html[lang="zh-CN"] .section-kicker,
html[lang="zh-CN"] .policy-tag,
html[lang="zh-CN"] .result-kicker { letter-spacing: .08em; }
html[lang="zh-CN"] .brand-text small { letter-spacing: .08em; }
/* 中文品牌名较长，收紧字号避免移动端与语言切换按钮挤在一起 */
html[lang="zh-CN"] .brand-text strong { letter-spacing: .02em; font-size: .78rem; white-space: nowrap; }
html[lang="zh-CN"] .city-option__name { font-weight: 600; }
.lang-switch button { white-space: nowrap; }