/* autox.eu.cc — X 全列表关注助手：介绍页 / 自助解绑页
   配图的底色（--sage）和黄色编号（--mark）与网页里的编号、标注保持同一套。 */
:root {
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #5b6b80;
  --paper: #f6f8f7;
  --sheet: #ffffff;
  --line: #dfe5e2;
  --sage: #e9efeb;
  --go: #166534;
  --go-2: #15803d;
  --go-soft: #e6f4ea;
  --mark: #facc15;
  --stop: #b91c1c;
  --stop-soft: #fdecec;
  --tg: #229ed9;
  --band: #123a29;
  --band-2: #c6dacd;
  --radius: 16px;
  --radius-s: 10px;
  --font: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Noto Sans CJK SC", sans-serif;
  --num: "Inter", "SF Pro Display", "Segoe UI", var(--font);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8eef6;
    --ink-2: #c3cede;
    --muted: #94a3b8;
    --paper: #0d1420;
    --sheet: #141d2c;
    --line: #263346;
    --sage: #1a2533;
    --go: #4ade80;
    --go-2: #22c55e;
    --go-soft: #12301f;
    --stop: #f87171;
    --stop-soft: #3a1618;
    --band: #0f2a1e;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.75; }
img { max-width: 100%; }
a { color: var(--go-2); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }
code.pick { font-family: var(--num); font-size: .92em; background: var(--sheet); border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; user-select: all; white-space: nowrap; }
.wrap { width: min(1120px, 100% - 32px); margin: 0 auto; }
.wrap.narrow { width: min(760px, 100% - 32px); }
.center { text-align: center; }

/* ---------- 顶栏 ---------- */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--paper) 90%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 20px; height: 62px; }
.brand { font-weight: 800; font-size: 18px; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand small { font-weight: 500; color: var(--muted); font-size: 13px; margin-left: 8px; }
.top nav { margin-left: auto; display: flex; gap: 22px; align-items: center; font-size: 16px; }
.top nav a { color: var(--ink-2); text-decoration: none; }
.top nav a:hover { color: var(--ink); }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px;
  border: 0; border-radius: 12px; background: var(--ink); color: var(--paper); font: inherit; font-weight: 700; font-size: 16px;
  text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn.big { min-height: 54px; padding: 0 28px; font-size: 18px; }
.btn.small { min-height: 38px; padding: 0 16px; font-size: 15px; border-radius: 10px; }
.btn.go { background: var(--go); color: #fff; }
.btn.line { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--line); }
.btn.danger { background: #b91c1c; color: #fff; }
.btn.tg { background: var(--tg); color: #fff; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.top nav a.btn { color: #fff; }
@media (prefers-color-scheme: dark) {
  .btn { background: #e8eef6; color: #0d1420; }
  .btn.go { background: #166534; color: #fff; }
  .btn.line { background: transparent; color: var(--ink); }
}

/* ---------- 配图 ---------- */
.shot { margin: 0; }
.shot img { display: block; width: 100%; height: auto; border-radius: var(--radius); box-shadow: 0 0 0 1px rgba(15, 23, 42, .06); background: var(--sage); }
.shot a { display: block; border-radius: var(--radius); }
.shot figcaption { margin-top: 10px; font-size: 14px; color: var(--muted); text-align: center; }

/* ---------- 首屏 ---------- */
.hero { padding: 56px 0 24px; }
.hero .wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(32px, 4.2vw, 48px); line-height: 1.22; margin: 0 0 18px; font-weight: 800; letter-spacing: -.01em; }
.hero .lead { font-size: 19px; color: var(--ink-2); margin: 0 0 20px; }
.checks { list-style: none; margin: 0 0 30px; padding: 0; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 38px; font-size: 18px; font-weight: 600; }
.checks li::before { content: ""; position: absolute; left: 0; top: .32em; width: 26px; height: 26px; border-radius: 50%; background: var(--go-soft); }
.checks li::after { content: ""; position: absolute; left: 9px; top: calc(.32em + 6px); width: 7px; height: 12px; border: solid var(--go-2); border-width: 0 3px 3px 0; transform: rotate(45deg); }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .note { margin-top: 18px; font-size: 15px; color: var(--muted); }

/* ---------- 区块 ---------- */
section.block { padding: 72px 0; }
section.block.alt { background: var(--sheet); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
section.block h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.3; margin: 0 0 10px; font-weight: 800; }
section.block .intro { color: var(--ink-2); margin: 0 0 40px; font-size: 18px; max-width: 40em; }

/* 步骤：一行一步，左文右图；编号和配图里的黄色编号一致 */
.step { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: center; padding: 34px 0; border-top: 1px solid var(--line); }
.step:first-of-type { border-top: 0; padding-top: 0; }
.step-text { position: relative; padding-left: 70px; }
.step .num { position: absolute; left: 0; top: -4px; width: 52px; height: 52px; border-radius: 50%; background: var(--mark); color: #0f172a;
  font: 800 26px/52px var(--num); text-align: center; box-shadow: 0 6px 16px -6px rgba(15, 23, 42, .35); }
.step h3 { font-size: 24px; margin: 0 0 10px; line-height: 1.35; }
.step p { margin: 0 0 10px; color: var(--ink-2); }
.step p.tip { color: var(--go); font-weight: 600; }

/* 功能：两列卡片，图在上 */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 40px; }
.feature h3 { font-size: 21px; margin: 18px 0 6px; }
.feature p { margin: 0; color: var(--ink-2); }

/* 解绑三步图 */
.pics { list-style: none; margin: 0 0 32px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: pic; }
.pics li { counter-increment: pic; text-align: center; }
.pics b { display: inline-flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 17px; }
.pics b::before { content: counter(pic); width: 30px; height: 30px; flex: none; border-radius: 50%; background: var(--mark); color: #0f172a; font: 800 16px/30px var(--num); text-align: center; }

/* 常见问题 */
#faq details { border-bottom: 1px solid var(--line); }
#faq summary { cursor: pointer; font-weight: 700; font-size: 18px; padding: 18px 36px 18px 0; list-style: none; position: relative; }
#faq summary::-webkit-details-marker { display: none; }
#faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font: 400 28px/1 var(--num); color: var(--muted); }
#faq details[open] summary::after { content: "–"; }
#faq details p { margin: 0 0 18px; color: var(--ink-2); }

/* 联系 */
.contact { background: var(--ink); color: #f1f5f9; padding: 48px 0; }
.contact .wrap { display: flex; gap: 24px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.contact h2 { margin: 0 0 4px; font-size: 26px; }
.contact p { margin: 0; font-size: 18px; color: #cbd5e1; }
.contact p b { color: #fff; font-family: var(--num); }
@media (prefers-color-scheme: dark) { .contact { background: #1b2738; } }

footer { padding: 32px 0 44px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 28px; justify-content: space-between; }
footer b { color: var(--ink); }

/* ---------- 自助解绑页 ---------- */
.unbind-page { padding: 44px 0 64px; }
.unbind-page h1 { font-size: clamp(30px, 4vw, 40px); margin: 0 0 8px; line-height: 1.25; }
.unbind-page .lead { color: var(--ink-2); margin: 0 0 26px; font-size: 18px; }
.panel { background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: 0 18px 40px -30px rgba(15, 23, 42, .35); }
.panel label[for=codes] { display: block; font-weight: 800; font-size: 18px; margin-bottom: 10px; }
.panel textarea { display: block; width: 100%; min-height: 120px; padding: 14px 16px; resize: vertical;
  border: 2px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink);
  font: 500 17px/1.6 var(--num); letter-spacing: .02em; }
.panel textarea:focus { border-color: var(--go-2); outline: none; box-shadow: 0 0 0 4px var(--go-soft); }
.panel textarea::placeholder { color: var(--muted); opacity: .75; font-family: var(--font); letter-spacing: 0; }
.hint { font-size: 15px; color: var(--muted); margin: 10px 0 16px; }
#found { color: var(--go); font-weight: 700; margin-right: 6px; }
.block-btn { width: 100%; }
.result { margin-top: 24px; }
.result[hidden], #say[hidden] { display: none; }
.say { border-radius: 12px; padding: 12px 16px; font-size: 16px; margin: 0 0 14px; font-weight: 600; }
.say.ok { background: var(--go-soft); color: var(--go); }
.say.no { background: var(--stop-soft); color: var(--stop); }
.rows { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 10px; }
.rows .row { display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: start; padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--paper); }
.rows .icon { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font: 800 18px/1 var(--num); }
.rows .yes .icon { background: var(--go-soft); color: var(--go-2); }
.rows .yes { border-color: color-mix(in srgb, var(--go-2) 40%, var(--line)); }
.rows .no .icon { background: var(--stop-soft); color: var(--stop); }
.rows .none .icon { background: var(--line); color: var(--muted); }
.row-head { margin: 0; display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; }
.row-head b { font-family: var(--num); font-size: 17px; }
.row-head .state { font-weight: 700; font-size: 16px; }
.yes .state { color: var(--go); }
.no .state { color: var(--stop); }
.none .state { color: var(--muted); }
.row-detail { margin: 2px 0 0; font-size: 14px; color: var(--muted); line-height: 1.6; }
.confirm { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; margin: 0 0 16px; padding: 14px 16px; border-radius: 12px; background: #fff8db; color: #422006; cursor: pointer; }
.confirm input { width: 22px; height: 22px; margin-top: 3px; flex: none; accent-color: #b91c1c; }
@media (prefers-color-scheme: dark) { .confirm { background: #3a2f0b; color: #fde68a; } }
.done { margin-top: 6px; }
.done h2 { margin: 0 0 8px; font-size: 22px; color: var(--go); }
.done ol { margin: 8px 0 18px; padding-left: 24px; }
.done li { margin: 6px 0; }
.rules { margin-top: 32px; font-size: 15px; color: var(--ink-2); }
.rules h2 { font-size: 18px; margin: 0 0 8px; color: var(--ink); }
.rules ul { margin: 0 0 10px; padding-left: 20px; }
.rules li { margin: 4px 0; }
.guide { margin-top: 44px; }
.guide h2 { font-size: 24px; margin: 0 0 18px; }
.guide .pics { gap: 18px; }

/* ---------- 头像识别（卖点）：深绿色整条，配图底色和其他配图一致 ---------- */
.avatar { background: var(--band); color: #f2f7f4; padding: 76px 0 60px; }
.avatar h2 { font-size: clamp(28px, 3.8vw, 42px); line-height: 1.25; margin: 0 0 12px; font-weight: 800; }
.avatar .intro { color: var(--band-2); font-size: 19px; margin: 0 0 38px; max-width: 34em; }
.avatar .shot img { box-shadow: 0 30px 60px -32px rgba(0, 0, 0, .6); }
.avatar .shot figcaption { color: var(--band-2); }
.avatar a:focus-visible { outline-color: var(--mark); }
.shot picture { display: block; }
.avatar-main { display: grid; grid-template-columns: 1.45fr .55fr; gap: 44px; align-items: center; }
.avatar-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 26px; }
.avatar-points li { position: relative; padding-left: 60px; min-height: 44px; font-size: 18px; line-height: 1.5; color: var(--band-2); }
.avatar-points b { display: block; color: #fff; font-size: 21px; margin-bottom: 2px; }
.avatar-points li::before { content: ""; position: absolute; left: 0; top: 2px; width: 44px; height: 44px; background: center / 44px 44px no-repeat; }
.avatar-points .no::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 44 44'%3E%3Ccircle cx='22' cy='22' r='22' fill='%23dc2626'/%3E%3Cpath d='M15 15l14 14M29 15L15 29' stroke='%23fff' stroke-width='4.2' stroke-linecap='round'/%3E%3C/svg%3E"); }
.avatar-points .yes::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 44 44'%3E%3Ccircle cx='22' cy='22' r='22' fill='%2316a34a'/%3E%3Cpath d='M13.5 22.8l5.8 5.8L31 16.4' stroke='%23fff' stroke-width='4.2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E"); }
.avatar-points .lock::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 44 44'%3E%3Ccircle cx='22' cy='22' r='22' fill='%23facc15'/%3E%3Crect x='14' y='20' width='16' height='12' rx='2.6' fill='%230f172a'/%3E%3Cpath d='M17.4 20v-3.2a4.6 4.6 0 0 1 9.2 0V20' stroke='%230f172a' stroke-width='2.8' fill='none'/%3E%3C/svg%3E"); }
.avatar-more { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 40px; margin-top: 56px; }
.avatar-more h3 { font-size: 21px; margin: 18px 0 6px; color: #fff; }
.avatar-more p { margin: 0 0 6px; color: var(--band-2); }
.avatar .fine { margin: 40px 0 0; padding-top: 20px; border-top: 1px solid rgba(198, 218, 205, .22); font-size: 14px; color: var(--band-2); opacity: .85; max-width: 52em; }

/* ---------- 窄屏 ---------- */
@media (max-width: 900px) {
  .hero { padding: 36px 0 44px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 32px; }
  .step { grid-template-columns: 1fr; gap: 20px; padding: 28px 0; }
  .features { grid-template-columns: 1fr; gap: 32px; }
  .avatar { padding: 56px 0 48px; }
  .avatar-main { grid-template-columns: 1fr; gap: 30px; }
  .avatar-points { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .avatar-more { grid-template-columns: 1fr; gap: 36px; margin-top: 44px; }
  .top nav a:not(.btn) { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  section.block { padding: 52px 0; }
  .pics { grid-template-columns: 1fr; gap: 26px; max-width: 360px; margin-left: auto; margin-right: auto; }
  .step-text { padding-left: 60px; }
  .step .num { width: 46px; height: 46px; font-size: 22px; line-height: 46px; }
  .step h3 { font-size: 21px; }
  .panel { padding: 20px 16px; }
  .brand small { display: none; }
  .hero .cta .btn { width: 100%; }
  .contact .btn { width: 100%; }
  .avatar .intro { font-size: 17px; margin-bottom: 26px; }
  .avatar-main .shot { max-width: 420px; margin: 0 auto; }
  .avatar-more .shot { max-width: 420px; }
  .avatar-points { grid-template-columns: 1fr; gap: 18px; }
  .avatar-points b { font-size: 19px; }
}