/* 参考酒店会员官网：白底、照片主导、深海军蓝文字和按钮、古铜色只做小点缀 */
:root {
  --ink: #1d2433;
  --ink-2: #3d4657;
  --muted: #6b7280;
  --navy: #14213d;
  --navy-2: #22325a;
  --bronze: #8a6a3b;
  --bg: #ffffff;
  --sand: #f6f3ee;
  --line: #e4dfd6;
  --ok: #1f7a4d;
  --warn: #9a6700;
  --danger: #b42318;
  --radius: 6px;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--navy); }
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.2; }
h1, h2 { font-family: var(--serif); font-weight: 600; letter-spacing: -.01em; }
h3 { font-size: 1.05rem; font-weight: 600; }
p { margin: 0 0 1em; }
.icon { flex: none; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.eyebrow { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bronze); font-weight: 600; margin: 0 0 12px; }
section[id] { scroll-margin-top: 90px; }

/* ---------- header ---------- */
.utility { background: var(--sand); border-bottom: 1px solid var(--line); font-size: .8rem; color: var(--ink-2); }
.utility .container { display: flex; justify-content: space-between; gap: 16px; height: 34px; align-items: center; }
.utility span { display: inline-flex; align-items: center; gap: 6px; }
.site-header { position: sticky; top: 0; z-index: 30; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.logo { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; color: var(--navy); text-decoration: none; letter-spacing: -.01em; white-space: nowrap; }
.logo small { display: block; font-family: var(--sans); font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--bronze); font-weight: 600; margin-top: -2px; }
.nav { display: flex; align-items: center; gap: 28px; font-size: .93rem; }
.nav a { color: var(--ink-2); text-decoration: none; }
.nav a:hover { color: var(--navy); text-decoration: underline; text-underline-offset: 4px; }
.nav .nav-account { display: inline-flex; align-items: center; gap: 8px; color: var(--navy); font-weight: 600; white-space: nowrap; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 26px; border-radius: var(--radius); border: 1px solid transparent; font: 600 .95rem var(--sans); text-decoration: none; cursor: pointer; transition: background .15s ease, color .15s ease; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-2); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--sand); }
.btn-outline-light { border-color: rgba(255,255,255,.8); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: #fff; }
.btn-outline:hover { background: var(--sand); }
.btn-block { display: flex; width: 100%; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; color: var(--navy); font-weight: 600; text-decoration: none; font-size: .93rem; }
.link-arrow:hover { text-decoration: underline; text-underline-offset: 4px; }
.link-button { background: none; border: 0; padding: 0; font: inherit; color: inherit; cursor: pointer; }
.link-button:hover { text-decoration: underline; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 600px; display: flex; align-items: flex-end; color: #fff; background: #2a2f38 center/cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,16,30,.72) 0%, rgba(10,16,30,.35) 55%, rgba(10,16,30,.05) 100%), linear-gradient(0deg, rgba(10,16,30,.45), transparent 50%); }
.hero .container { position: relative; padding-top: 120px; padding-bottom: 72px; }
.hero .eyebrow { color: #e9d8b8; }
.hero h1 { font-size: clamp(2.5rem, 5vw, 3.9rem); max-width: 19ch; margin-bottom: 18px; }
.hero-lead { font-size: 1.15rem; max-width: 52ch; color: rgba(255,255,255,.9); margin-bottom: 30px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.programmes { border-bottom: 1px solid var(--line); background: #fff; }
.programmes .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 28px; padding-top: 22px; padding-bottom: 22px; }
.programmes p { margin: 0; color: var(--muted); font-size: .85rem; }
.programmes ul { display: flex; flex-wrap: wrap; gap: 10px 34px; list-style: none; margin: 0; padding: 0; }
.programmes ul { align-items: center; }
.programmes img { height: 30px; width: auto; filter: grayscale(1); opacity: .7; transition: filter .2s ease, opacity .2s ease; }
.programmes li:hover img { filter: none; opacity: 1; }
.programmes img.logo-marriott, .programmes img.logo-accor { height: 48px; }

/* ---------- sections ---------- */
.section { padding: 84px 0; }
.section-sand { background: var(--sand); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin: 0; }
.section-head p { color: var(--muted); max-width: 46ch; margin: 8px 0 0; }
.page-title { font-size: clamp(1.9rem, 3.6vw, 2.6rem); }

/* ---------- product cards ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; color: var(--ink); text-decoration: none; transition: box-shadow .2s ease, transform .2s ease; }
.card:hover { box-shadow: 0 14px 34px rgba(20,33,61,.12); transform: translateY(-2px); }
.card-poster { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; background: #111; }
.card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.card-brand { font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--bronze); font-weight: 600; margin: 0 0 6px; }
.card h3 { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; margin: 0 0 12px; }
.card-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline; }
.price { font-family: var(--serif); font-size: 1.5rem; font-weight: 600; color: var(--navy); }
.price small { font-family: var(--sans); font-size: .78rem; color: var(--muted); font-weight: 400; margin-right: 4px; }

.ticks { list-style: none; padding: 0; margin: 0 0 8px; }
.ticks li { display: flex; gap: 10px; margin: 7px 0; align-items: flex-start; }
.ticks li .icon { color: var(--bronze); margin-top: 3px; }
.ticks-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }

/* ---------- how / features ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; list-style: none; padding: 0; margin: 0; }
.steps li { border-top: 2px solid var(--navy); padding-top: 20px; }
.step-n { font-family: var(--serif); color: var(--bronze); font-size: 1.1rem; display: block; margin-bottom: 8px; }
.steps p { color: var(--ink-2); margin: 0; }

.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.split-media { aspect-ratio: 4 / 3.2; border-radius: var(--radius); background: #ddd center/cover no-repeat; }
.perks { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 30px; margin-top: 28px; }
.perk { display: flex; gap: 14px; }
.perk .icon { color: var(--navy); margin-top: 2px; }
.perk h3 { margin: 0 0 4px; }
.perk p { margin: 0; color: var(--muted); font-size: .93rem; }

/* comparison table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.compare { width: 100%; border-collapse: collapse; min-width: 720px; font-size: .95rem; }
.compare th, .compare td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { background: var(--navy); color: #fff; font-weight: 600; font-size: .85rem; letter-spacing: .03em; }
.compare tbody tr:last-child td { border-bottom: 0; }
.compare td:first-child { font-family: var(--serif); font-weight: 600; font-size: 1.02rem; }
.compare td:first-child a { color: var(--navy); text-decoration: none; }
.compare td:first-child a:hover { text-decoration: underline; }
.compare td.num { font-weight: 600; color: var(--navy); white-space: nowrap; }

.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.trust div { display: flex; flex-direction: column; gap: 10px; }
.trust .icon { color: var(--navy); }
.trust h3 { margin: 0; }
.trust p { margin: 0; color: var(--muted); font-size: .93rem; }

/* faq */
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; padding: 20px 0; font-weight: 600; font-size: 1.02rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--bronze); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--ink-2); margin: -6px 0 20px; max-width: 70ch; }

.cta-band { position: relative; color: #fff; background: #2a2f38 center/cover no-repeat; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: rgba(10,16,30,.55); }
.cta-band .container { position: relative; padding-top: 96px; padding-bottom: 96px; text-align: center; }
.cta-band h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
.cta-band p { color: rgba(255,255,255,.88); margin-bottom: 26px; }

/* ---------- product page ---------- */
.crumbs { font-size: .85rem; margin: 0 0 14px; color: rgba(255,255,255,.85); }
.crumbs a { color: inherit; }
.crumbs-dark { color: var(--muted); }
.product-main section { padding: 30px 0; border-bottom: 1px solid var(--line); }
.product-main section:first-child { padding-top: 0; }
.product-main section:last-child { border-bottom: 0; }
.product-main h2 { font-size: 1.55rem; margin-bottom: 14px; }
.path { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 0; list-style: none; padding: 0; margin: 6px 0 14px; }
.path li { position: relative; padding: 18px 16px 0 0; border-top: 3px solid var(--line); }
.path li:first-child { border-top-color: var(--navy); }
.path li::before { content: ""; position: absolute; top: -8px; left: 0; width: 13px; height: 13px; border-radius: 50%; background: #fff; border: 3px solid var(--line); }
.path li:first-child::before { border-color: var(--navy); background: var(--navy); }
.path strong { display: block; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--bronze); margin-bottom: 4px; }
.path span { font-family: var(--serif); font-size: 1.1rem; font-weight: 600; }
.note { background: var(--sand); border-left: 3px solid var(--bronze); padding: 16px 18px; border-radius: 0 var(--radius) var(--radius) 0; margin-top: 18px; }
.note h3 { margin: 0 0 6px; font-size: .95rem; }
.note .ticks li { margin: 4px 0; font-size: .93rem; }
.tag { display: inline-flex; align-items: center; gap: 4px; font-size: .74rem; color: var(--bronze); border: 1px solid #d9c9ad; border-radius: 3px; padding: 0 7px; margin-left: 6px; vertical-align: middle; font-weight: 500; }

.book-box-price { display: flex; align-items: baseline; gap: 8px; margin: 0 0 4px; }
.book-box-price .price { font-size: 2.3rem; }
.pay-note { display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 6px; }

.pdp { padding-top: 36px; }
.pdp-top { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; align-items: start; margin: 18px 0 56px; }
.pdp-poster { width: 100%; height: auto; aspect-ratio: 1 / 1; border-radius: var(--radius); box-shadow: 0 18px 44px rgba(20,33,61,.18); }
.pdp-info h1 { font-size: clamp(2rem, 3.6vw, 2.8rem); margin-bottom: 10px; }
.pdp-sub { color: var(--ink-2); font-size: 1.08rem; margin-bottom: 22px; }
.pdp-info .btn { margin: 18px 0 26px; }
.pdp-info .path { margin-bottom: 26px; }
.pdp-info .ticks li { font-size: .92rem; color: var(--ink-2); }
.pdp .product-main { max-width: 820px; border-top: 1px solid var(--line); padding-top: 26px; }

/* ---------- forms & account ---------- */
.auth { max-width: 480px; }
.auth-wide { max-width: 600px; }
.form { display: grid; gap: 20px; margin-top: 26px; }
.form label { display: grid; gap: 7px; font-weight: 600; font-size: .92rem; }
.form input[type=text], .form input[type=email], .form input[type=password], .form input[inputmode] {
  width: 100%; padding: 13px 14px; border: 1px solid #cfc9bd; border-radius: var(--radius); background: #fff; color: var(--ink); font: 400 1rem var(--sans);
}
.form input:focus { outline: 2px solid var(--navy); outline-offset: 1px; border-color: var(--navy); }
.help { color: var(--muted); font-size: .85rem; font-weight: 400; }
.check { display: flex !important; gap: 10px; align-items: flex-start; font-weight: 400 !important; color: var(--ink-2); font-size: .9rem; }
.check input { margin-top: 4px; accent-color: var(--navy); width: 16px; height: 16px; }
.alert { background: #fdf0ee; border: 1px solid #f1c7c0; color: var(--danger); padding: 12px 14px; border-radius: var(--radius); }
.alert-dev { background: #fbf6ea; border-color: #e8d7b0; color: var(--warn); }
.alert-ok { background: #edf7f1; border-color: #bfe0cd; color: var(--ok); }
.order-summary { display: flex; justify-content: space-between; gap: 16px; align-items: center; background: var(--sand); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.order-summary strong { font-family: var(--serif); font-size: 1.2rem; color: var(--navy); }

.order-list { display: grid; gap: 12px; margin: 26px 0; }
.order-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; color: var(--ink); text-decoration: none; }
.order-row:hover { border-color: var(--navy); }
.order-row > div:first-child { display: grid; gap: 2px; }
.order-row-right { display: flex; align-items: center; gap: 16px; white-space: nowrap; font-weight: 600; }
.empty { text-align: center; padding: 48px 20px; border: 1px dashed #cfc9bd; border-radius: var(--radius); margin: 26px 0; background: var(--sand); }
.status { font-size: .76rem; font-weight: 600; padding: 3px 10px; border-radius: 3px; background: #eef0f3; color: var(--ink-2); letter-spacing: .02em; }
.status-awaiting_payment { background: #fbf3e2; color: var(--warn); }
.status-paid, .status-processing { background: #e8eefb; color: var(--navy-2); }
.status-activated, .status-completed { background: #e6f4ec; color: var(--ok); }
.status-refunded, .status-cancelled { background: #fdecea; color: var(--danger); }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin: 20px 0; }
.panel h2 { font-size: 1.25rem; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.pay-panel { border-color: var(--navy); }
.timeline { list-style: none; padding: 0; margin: 20px 0 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.timeline li { font-size: .78rem; color: var(--muted); border-top: 3px solid var(--line); padding-top: 8px; }
.timeline li.done { color: var(--ink); border-top-color: var(--navy); font-weight: 600; }
.details { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 0 0 12px; }
.details dt { color: var(--muted); }
.details dd { margin: 0; word-break: break-all; }
.screenshot { border-radius: var(--radius); border: 1px solid var(--line); }
.prose p { color: var(--ink-2); }

/* ---------- footer ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,.78); padding: 64px 0 30px; font-size: .92rem; }
.site-footer a { color: rgba(255,255,255,.85); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.footer-grid h4 { color: #fff; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer .logo { color: #fff; }
.site-footer .logo small { color: #d9c29a; }
.disclaimer { border-top: 1px solid rgba(255,255,255,.14); margin-top: 44px; padding-top: 22px; font-size: .78rem; color: rgba(255,255,255,.55); max-width: 110ch; }

/* ---------- chat widget ---------- */
.chat-fab { position: fixed; right: 22px; bottom: 22px; z-index: 40; display: inline-flex; align-items: center; gap: 8px; background: var(--navy); color: #fff; border: 0; border-radius: var(--radius); padding: 12px 18px; font: 600 .92rem var(--sans); cursor: pointer; box-shadow: 0 10px 26px rgba(20,33,61,.3); outline: 1px solid rgba(255,255,255,.35); }
.chat-fab:hover { background: var(--navy-2); }
.chat-badge { background: #fff; color: var(--navy); border-radius: 999px; font-size: .72rem; padding: 0 7px; }
.chat-panel { position: fixed; right: 22px; bottom: 80px; z-index: 40; width: min(370px, calc(100vw - 32px)); height: min(540px, calc(100vh - 120px)); display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; box-shadow: 0 24px 60px rgba(20,33,61,.25); }
.chat-panel[hidden] { display: none; }
.chat-head { background: var(--navy); color: #fff; padding: 14px 16px; display: flex; justify-content: space-between; align-items: start; gap: 10px; }
.chat-head strong { display: block; font-family: var(--serif); font-size: 1.05rem; font-weight: 600; }
.chat-head span { color: rgba(255,255,255,.75); font-size: .8rem; }
.chat-close { background: none; border: 0; color: #fff; font-size: 1.4rem; line-height: 1; cursor: pointer; }
.chat-body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 8px; background: var(--sand); }
.chat-msg { max-width: 82%; padding: 9px 12px; border-radius: 8px; font-size: .92rem; white-space: pre-wrap; word-wrap: break-word; }
.chat-msg-customer { align-self: flex-end; background: var(--navy); color: #fff; border-bottom-right-radius: 2px; }
.chat-msg-agent { align-self: flex-start; background: #fff; border: 1px solid var(--line); border-bottom-left-radius: 2px; }
.chat-msg-system { align-self: center; color: var(--muted); font-size: .78rem; padding: 2px; max-width: 95%; text-align: center; }
.chat-empty { color: var(--muted); font-size: .9rem; text-align: center; margin: auto 0; }
.chat-form { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--line); background: #fff; }
.chat-form textarea { flex: 1; resize: none; height: 44px; padding: 10px 12px; border: 1px solid #cfc9bd; border-radius: var(--radius); font: inherit; font-size: .92rem; color: var(--ink); }
.chat-form button { border: 0; border-radius: var(--radius); padding: 0 16px; background: var(--navy); color: #fff; font-weight: 600; cursor: pointer; }
.chat-signin { margin: auto 0; text-align: center; display: grid; gap: 14px; padding: 10px; }
.chat-signin p { color: var(--ink-2); margin: 0; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .pdp-top { grid-template-columns: 1fr; gap: 32px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .trust { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .container { padding: 0 16px; }
  .utility { display: none; }
  .logo { font-size: 1.2rem; }
  .hero h1 { font-size: 2.3rem; }
  .hero-lead { font-size: 1.02rem; }
  .nav a:not(.nav-account) { display: none; }
  .hero { min-height: 520px; }
  .hero .container { padding-bottom: 48px; }
  .section { padding: 60px 0; }
  .grid { grid-template-columns: 1fr; }
  .steps, .perks, .trust, .ticks-2 { grid-template-columns: 1fr; }
  .path { grid-auto-flow: row; }
  .path li { border-top: 0; border-left: 3px solid var(--line); padding: 0 0 16px 18px; }
  .path li:first-child { border-left-color: var(--navy); }
  .path li::before { top: 0; left: -8px; }
  .timeline { grid-template-columns: 1fr; }
  .order-row { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .chat-fab { right: 16px; bottom: 16px; }
  .chat-panel { right: 16px; bottom: 72px; }
}