/* 美签：以护照页、签证页、印章为视觉语言 */
:root {
  --paper: #f2f5f9;
  --sheet: #ffffff;
  --ink: #15213b;
  --ink-2: #4a5672;
  --rule: #d5dce6;
  --navy: #1c2e57;
  --red: #bf1e2e;
  --green: #24705b;
  --amber: #a8620f;
  --line: #7c97c2;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "OCR B", "OCR-B", Consolas, Menlo, monospace;
  --stripe: repeating-linear-gradient(90deg, var(--red) 0 14px, #fff 14px 28px);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0e1524; --sheet: #151e33; --ink: #e8edf6; --ink-2: #a3aec4; --rule: #2a3550;
    --navy: #2a4482; --red: #e0424f; --green: #4cae8d; --amber: #e3a03f; --line: #5c78a8;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.75 var(--sans); }
a { color: var(--navy); text-underline-offset: 3px; }
@media (prefers-color-scheme: dark) { a { color: #9db8ef; } }
:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.hidden { display: none !important; }
.note { color: var(--ink-2); font-size: 14px; }
.err { color: var(--red); font-weight: 600; min-height: 1.6em; }
.hp { position: absolute; left: -9999px; }

/* 顶栏：像护照封面一样的深蓝，下缘一道旗帜条纹 */
header.top { background: var(--navy); color: #fff; }
header.top::after { content: ""; display: block; height: 4px; background: var(--stripe); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 56px; }
.brand { color: #fff; text-decoration: none; font: 700 19px/1 var(--serif); letter-spacing: 2px; display: flex; align-items: center; gap: 10px; }
.brand .star {
  width: 22px; height: 22px; border: 1.5px solid #fff; border-radius: 50%;
  display: grid; place-items: center; font-size: 12px; letter-spacing: 0;
}
header.top nav a { color: #fff; text-decoration: none; margin-left: 20px; font-size: 15px; opacity: .88; }
header.top nav a:hover { opacity: 1; text-decoration: underline; }

/* 按钮 */
.btn {
  display: inline-block; background: var(--red); color: #fff; border: 0; border-radius: 4px;
  padding: 14px 28px; font: 700 17px/1.2 var(--sans); text-decoration: none; cursor: pointer; letter-spacing: 1px;
}
.btn:hover { background: #a31826; }
.btn[disabled] { opacity: .5; cursor: default; }
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--rule); padding: 9px 16px; font-size: 15px; letter-spacing: 0; }
.btn.secondary:hover { border-color: var(--ink-2); }
.textlink { font-size: 16px; margin-left: 18px; }

/* 首屏：一张签证页 */
.page {
  background: var(--sheet) url(/guilloche.svg) center / cover no-repeat; position: relative;
  border-bottom: 1px solid var(--rule);
}
@media (prefers-color-scheme: dark) { .page { background-blend-mode: soft-light; } }
.page .wrap { padding-top: 56px; padding-bottom: 0; }
.page .kicker { font-size: 15px; color: var(--ink-2); margin: 0 0 18px; }
.page h1 {
  font: 900 clamp(34px, 6.2vw, 64px)/1.22 var(--serif); margin: 0 0 22px; letter-spacing: 1px; max-width: 15em;
}
.page .lead { font-size: 17px; color: var(--ink-2); max-width: 34em; margin: 0 0 30px; }
.page .actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 0; margin-bottom: 48px; }
.mrz {
  font: 15px/1.5 var(--mono); letter-spacing: 3px; color: var(--ink-2); opacity: .55; white-space: nowrap;
  overflow: hidden; border-top: 1px dashed var(--rule); padding: 12px 0 14px; user-select: none;
}
.page.small .wrap { padding-top: 40px; }
.page.small h1 { font-size: clamp(30px, 5vw, 46px); }
.page.small .lead { margin-bottom: 36px; }

/* 正文区块 */
.section { padding: 56px 0 8px; }
.section h2 { font: 800 clamp(24px, 3.4vw, 32px)/1.35 var(--serif); margin: 0 0 14px; letter-spacing: 1px; }
.section .intro { max-width: 36em; color: var(--ink-2); margin: 0 0 22px; }
@media (min-width: 860px) {
  .split { display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: start; }
  .split > .side { position: sticky; top: 24px; }
}

/* 签证官的三个问题 */
.asks { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.asks li { padding: 22px 0; border-bottom: 1px solid var(--rule); display: grid; gap: 6px; }
@media (min-width: 720px) { .asks li { grid-template-columns: 1.1fr 1fr; gap: 32px; } }
.asks h3 { font: 700 21px/1.45 var(--serif); margin: 0; }
.asks h3::before { content: "「"; color: var(--red); }
.asks h3::after { content: "」"; color: var(--red); }
.asks p { margin: 0; color: var(--ink-2); }
.callout { margin: 24px 0 0; padding: 16px 18px; border-left: 4px solid var(--red); background: var(--sheet); max-width: 44em; }

/* 流程：真正的先后顺序，所以用编号 */
.steps { counter-reset: s; list-style: none; margin: 0; padding: 0; }
.steps li { counter-increment: s; position: relative; padding: 0 0 26px 64px; min-height: 52px; }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: -6px; width: 44px; text-align: center;
  font: 900 40px/1 var(--serif); color: var(--navy);
}
@media (prefers-color-scheme: dark) { .steps li::before { color: #9db8ef; } }
.steps li:not(:last-child)::after { content: ""; position: absolute; left: 21px; top: 42px; bottom: 6px; border-left: 2px dotted var(--rule); }
.steps b { font-size: 18px; }

.reasons { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.reasons li { padding: 14px 0 14px 30px; border-bottom: 1px solid var(--rule); position: relative; }
.reasons li::before { content: "✕"; position: absolute; left: 4px; color: var(--red); font-weight: 700; }

/* 价格 */
.tiers { display: grid; gap: 18px; grid-template-columns: 1fr; margin-top: 8px; }
@media (min-width: 860px) { .tiers { grid-template-columns: 1fr 1.08fr 1fr; align-items: stretch; } }
.tier { background: var(--sheet); border: 1px solid var(--rule); border-top: 4px solid var(--navy); padding: 22px 22px 20px; position: relative; display: flex; flex-direction: column; }
.tier h3 { font: 800 22px/1.3 var(--serif); margin: 0 0 10px; }
.tier .price { font: 900 40px/1.1 var(--serif); margin: 0 0 4px; }
.tier .price small { font: 400 14px var(--sans); color: var(--ink-2); margin-left: 4px; }
.tier .paynote { font-size: 15px; margin: 6px 0 0; padding: 8px 10px; border: 1px dashed currentColor; }
.tier ul { list-style: none; padding: 0; margin: 16px 0; flex: 1; }
.tier li { padding: 6px 0 6px 24px; position: relative; border-bottom: 1px solid var(--rule); }
.tier li:last-child { border-bottom: 0; }
.tier li::before { content: "✓"; position: absolute; left: 2px; color: var(--green); font-weight: 700; }
.tier .fit { font-size: 14px; color: var(--ink-2); }
.tier.rec { border: 2px solid var(--red); border-top-width: 4px; box-shadow: 0 18px 40px -24px rgba(191, 30, 46, .55); }
.tier.vip { background: var(--navy); color: #fff; border-color: var(--navy); }
.tier.vip .price small, .tier.vip .fit { color: rgba(255, 255, 255, .72); }
.tier.vip li { border-color: rgba(255, 255, 255, .16); }
.tier.vip li::before { color: #f0c96a; }
.tier .stamp-mini { position: absolute; right: 16px; top: 18px; }
.fineprint { margin: 22px 0 0; font-size: 14px; color: var(--ink-2); max-width: 52em; }
.fineprint p { margin: 4px 0; }

/* 印章：评估结果和「推荐」共用 */
.stamp {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  color: var(--c, var(--red)); border: 3px solid currentColor; outline: 1.5px solid currentColor; outline-offset: 3px;
  border-radius: 10px; padding: 10px 22px; transform: rotate(-7deg); font-family: var(--serif);
  filter: url(#ink);
}
.stamp b { font-size: 30px; line-height: 1.2; letter-spacing: 4px; font-weight: 900; }
.stamp small { font-size: 12px; letter-spacing: 3px; border-top: 1.5px solid currentColor; margin-top: 4px; padding-top: 2px; }
.stamp-mini { --c: var(--red); padding: 2px 10px; border-width: 2px; outline-width: 1px; outline-offset: 2px; border-radius: 6px; font: 900 15px/1.4 var(--serif); letter-spacing: 3px; transform: rotate(8deg); }
.stamp.low { --c: var(--green); } .stamp.mid { --c: var(--amber); } .stamp.high, .stamp.review { --c: var(--red); }
.stamp.land { animation: land .45s cubic-bezier(.2, .9, .3, 1.3) both; }
@keyframes land { from { transform: rotate(-7deg) scale(1.9); opacity: 0; } to { transform: rotate(-7deg) scale(1); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .stamp.land { animation: none; } }

/* 结尾行动区 */
.closing { margin: 64px 0 0; background: var(--navy); color: #fff; }
.closing::before { content: ""; display: block; height: 4px; background: var(--stripe); }
.closing .wrap { padding-top: 40px; padding-bottom: 44px; }
.closing h3 { font: 800 clamp(24px, 3.4vw, 30px)/1.4 var(--serif); margin: 0 0 8px; }
.closing p { color: rgba(255, 255, 255, .78); margin: 0 0 22px; max-width: 32em; }

footer { color: var(--ink-2); font-size: 13px; border-top: 1px solid var(--rule); margin-top: 48px; }
.closing + footer { border-top: 0; margin-top: 0; }
footer .wrap { padding-top: 22px; padding-bottom: 32px; }

/* 自测问卷：像一张申请表 */
.formcard { background: var(--sheet); border: 1px solid var(--rule); border-top: 4px solid var(--navy); padding: 4px 18px 22px; margin: 28px 0 0; }
@media (min-width: 720px) { .formcard { padding: 4px 32px 28px; } }
.progress { position: sticky; top: 0; z-index: 3; background: var(--sheet); padding: 14px 0 12px; margin-bottom: 8px; border-bottom: 1px solid var(--rule); display: flex; align-items: center; gap: 12px; }
.progress .track { flex: 1; height: 4px; background: var(--rule); }
.progress .fill { height: 100%; width: 0; background: var(--red); transition: width .25s; }
.progress .txt { font-size: 13px; color: var(--ink-2); white-space: nowrap; }
.q { padding: 20px 0 6px; border-bottom: 1px solid var(--rule); }
.q > .label { font: 700 18px/1.5 var(--serif); margin-bottom: 10px; display: flex; gap: 12px; }
.q > .label .n { flex: none; color: var(--red); font-weight: 900; min-width: 1.4em; }
.opts { display: grid; gap: 0 18px; }
@media (min-width: 720px) { .opts { grid-template-columns: 1fr 1fr; padding-left: 34px; } }
.opts label { display: flex; gap: 12px; align-items: flex-start; padding: 10px 6px; cursor: pointer; border-radius: 4px; }
.opts label:hover { background: var(--paper); }
.opts input { appearance: none; -webkit-appearance: none; flex: none; width: 20px; height: 20px; margin: 4px 0 0; border: 2px solid var(--ink-2); border-radius: 3px; display: grid; place-items: center; cursor: pointer; background: var(--sheet); }
.opts input:checked { border-color: var(--red); }
.opts input:checked::after { content: "✕"; color: var(--red); font: 900 14px/1 var(--sans); }
.opts label:has(input:checked) { font-weight: 600; }

#contact-block { padding-top: 8px; }
#contact-block h2 { font: 800 24px/1.4 var(--serif); margin: 24px 0 6px; }
.field { margin: 0 0 16px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 15px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 2px; font: inherit; color: var(--ink); background: transparent;
  border: 0; border-bottom: 1.5px solid var(--ink-2); border-radius: 0;
}
.field select option { color: #15213b; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--red); background: var(--paper); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); margin: 8px 0 16px; }
.consent input { margin-top: 5px; accent-color: var(--red); width: 18px; height: 18px; flex: none; }
#submit { margin-top: 6px; }

/* 结果单 */
#result.lifted { margin-top: 28px; }
.formcard.after { margin-top: 28px; }
.verdict { background: var(--sheet) url(/guilloche.svg) center / cover; border: 1px solid var(--rule); border-top: 4px solid var(--navy); padding: 30px 22px 26px; display: grid; gap: 22px; align-items: center; }
@media (min-width: 720px) { .verdict { grid-template-columns: auto 1fr; gap: 40px; padding: 36px 40px 32px; } }
.verdict .stamp { justify-self: center; margin: 8px 0; }
.verdict h2 { font: 800 22px/1.4 var(--serif); margin: 0 0 6px; }
.verdict p { margin: 0; max-width: 32em; }
.verdict .got { margin-top: 10px; font-weight: 700; color: var(--green); }
.result-h { font: 800 22px/1.4 var(--serif); margin: 36px 0 10px; }
.risks { border-top: 2px solid var(--ink); }
.risk { padding: 16px 0; border-bottom: 1px solid var(--rule); display: grid; gap: 4px; }
@media (min-width: 720px) { .risk { grid-template-columns: 240px 1fr; gap: 28px; } }
.risk b { font: 700 17px/1.5 var(--serif); display: block; }
.risk .ans { color: var(--ink-2); font-size: 14px; }
.risk.flag b { color: var(--red); }
.plain { background: var(--sheet); border: 1px solid var(--rule); padding: 16px 18px; max-width: 44em; }

/* 后台、说明页沿用的通用块 */
.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: 6px; padding: 18px 20px; margin: 12px 0; }
.hero { padding: 36px 0 6px; }
.hero h1 { font: 800 30px/1.35 var(--serif); margin: 0; }
.level { font-weight: 800; } .level.low { color: var(--green); } .level.mid { color: var(--amber); } .level.high, .level.review { color: var(--red); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--rule); vertical-align: top; }

/* 网页编辑模式 */
html.cms-loading [data-k] { visibility: hidden; }
body.editing [data-k] { outline: 1px dashed rgba(191, 30, 46, .6); outline-offset: 3px; cursor: text; }
body.editing [data-k]:hover { outline-style: solid; }
body.editing [data-k]:focus { outline: 2px solid var(--red); background: rgba(255, 220, 120, .2); }
body.editing [data-k].changed { outline: 2px solid var(--amber); }
body.editing { padding-bottom: 80px; }
.cms-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; background: var(--navy); color: #fff;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 10px 16px; box-shadow: 0 -6px 20px rgba(0, 0, 0, .25);
}
.cms-bar::before { content: ""; position: absolute; inset: -4px 0 auto 0; height: 4px; background: var(--stripe); }
.cms-bar .msg { flex: 1; min-width: 180px; font-size: 14px; opacity: .9; }
.cms-bar button { font: inherit; font-size: 14px; border-radius: 4px; padding: 8px 14px; cursor: pointer; border: 1px solid rgba(255, 255, 255, .5); background: transparent; color: #fff; }
.cms-bar button.primary { background: var(--red); border-color: var(--red); font-weight: 700; }
.cms-bar button[disabled] { opacity: .45; cursor: default; }