/* ==========================================================================
 * 智客云 · 产品介绍页（独立部署）· 站点样式
 * 目录：基础 → 通用组件 → 导航 → Hero → 痛点 → 蒸馏闭环 → 能力 → 界面 →
 *       三端 → 定价 → 众筹 → 答疑 → 收尾 → 页脚 → 弹窗 → 动效 → 响应式
 * ========================================================================== */

/* ============================ 基础 ============================ */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; top: 0; z-index: 200; background: #fff; padding: 10px 16px; border-radius: 0 0 12px 0; box-shadow: var(--shadow-lift); }
.skip:focus { left: 0; }
.sec { padding: 96px 0; position: relative; }
.sec--tight { padding: 72px 0; }
.sec--bg { background: var(--bg); }
.sec--white { background: #fff; }
.sec--warm { background: linear-gradient(180deg, #FFFFFF 0%, #FBF7F4 100%); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .06em;
  color: var(--accent-deep); text-transform: uppercase;
}
.eyebrow::before { content: ''; width: 22px; height: 2px; border-radius: 2px; background: var(--accent); }

.sec-head { max-width: 760px; margin-bottom: 52px; }
.sec-head h2 {
  font-size: clamp(26px, 3vw, 40px); line-height: 1.24; letter-spacing: -.02em;
  font-weight: 800; margin: 14px 0 14px;
}
.sec-head p { font-size: 16px; color: var(--ink-2); line-height: 1.85; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head--center .eyebrow { justify-content: center; }
.sec-head--center .eyebrow::before { display: none; }

.hl { color: var(--accent); }
.mark {
  background: linear-gradient(180deg, transparent 62%, rgba(255, 106, 31, .22) 62%);
  padding: 0 2px;
}

/* ============================ 通用组件 ============================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 20px; border-radius: var(--r-btn);
  font-size: 15px; font-weight: 600; white-space: nowrap;
  border: 1px solid transparent; transition: transform .16s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn .ic { width: 18px; height: 18px; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: var(--g-shadow-1); }
.btn--primary:hover { background: var(--accent-deep); color: #fff; box-shadow: 0 8px 22px rgba(255, 90, 0, .34); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-card); }
.btn--ghost:hover { color: var(--accent-deep); border-color: var(--accent-line); }
.btn--dark { background: var(--dark); color: #fff; }
.btn--dark:hover { background: #000; color: #fff; }
.btn--onDark { background: rgba(255, 255, 255, .10); color: #fff; border-color: rgba(255, 255, 255, .22); }
.btn--onDark:hover { background: rgba(255, 255, 255, .18); color: #fff; }
.btn--lg { height: 54px; padding: 0 26px; font-size: 16px; border-radius: 15px; }
.btn--block { width: 100%; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
}

.ic { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.tile {
  width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center;
  background: var(--accent-bg); color: var(--accent-deep); border: 1px solid var(--accent-line);
  flex: none;
}
.tile .ic { width: 21px; height: 21px; }
.tile--dark { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .16); color: #fff; }

.pill {
  display: inline-flex; align-items: center; gap: 7px; height: 30px; padding: 0 12px;
  border-radius: var(--r-pill); background: #fff; border: 1px solid var(--line);
  font-size: 13px; color: var(--ink-2); font-weight: 500;
}
.pill--accent { background: var(--accent-bg); border-color: var(--accent-line); color: var(--accent-deep); }
.pill--done { background: var(--st-done-bg); border-color: #CBE3CC; color: var(--st-done); }
.pill--ready { background: var(--st-ready-bg); border-color: #C9E6EC; color: var(--st-ready); }

.note { font-size: 13px; color: var(--ink-3); line-height: 1.75; }

/* ============================ 导航 ============================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60; height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(255, 255, 255, .78); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.nav.is-stuck { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(20, 23, 26, .05); background: rgba(255, 255, 255, .92); }
.nav__in { display: flex; align-items: center; gap: 28px; width: 100%; }
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand__logo {
  width: 34px; height: 34px; border-radius: 10px; background: var(--g-hero); color: #fff;
  display: grid; place-items: center; box-shadow: 0 4px 12px rgba(255, 90, 0, .3);
}
.brand__logo .ic { width: 20px; height: 20px; stroke-width: 2; }
.brand__name { font-size: 16px; font-weight: 800; letter-spacing: -.01em; line-height: 1.15; color: var(--ink); }
.brand__sub { font-size: 11.5px; color: var(--ink-3); line-height: 1.2; letter-spacing: .02em; }
.nav__links { display: flex; align-items: center; gap: 2px; margin-left: 4px; }
.nav__links a {
  padding: 8px 10px; border-radius: 10px; font-size: 14px; color: var(--ink-2); font-weight: 500;
  white-space: nowrap; transition: color .18s, background .18s;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); background: var(--divider); }
.nav__cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav__cta .btn { height: 42px; }
.nav__burger { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line); background: #fff; place-items: center; }

/* ============================ Hero ============================ */
.hero {
  position: relative; padding: calc(var(--nav-h) + 66px) 0 84px; overflow: hidden;
  background:
    radial-gradient(900px 520px at 84% -12%, #FFDFC7 0%, rgba(255, 223, 199, 0) 62%),
    radial-gradient(700px 420px at 8% 4%, #FFF1E6 0%, rgba(255, 241, 230, 0) 60%),
    linear-gradient(180deg, #FFFFFF 0%, #FCFAF9 100%);
}
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(20, 23, 26, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(20, 23, 26, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(900px 460px at 70% 6%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(900px 460px at 70% 6%, #000 0%, transparent 72%);
}
.hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); gap: 52px; align-items: center;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 9px; height: 34px; padding: 0 14px 0 10px;
  border-radius: var(--r-pill); background: #fff; border: 1px solid var(--accent-line);
  box-shadow: 0 4px 14px rgba(255, 106, 31, .12); font-size: 13.5px; font-weight: 600; color: var(--accent-deep);
}
.hero__badge b { font-family: var(--font-num); font-weight: 700; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); position: relative; }
.dot::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 1.5px solid var(--accent); opacity: .5; animation: pulse 2.2s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(.7); opacity: .6 } 100% { transform: scale(1.5); opacity: 0 } }

.hero h1 {
  font-size: clamp(28px, 3.7vw, 47px); line-height: 1.16; letter-spacing: -.025em; font-weight: 800;
  margin: 22px 0 20px;
}
.hero h1 .grad {
  white-space: nowrap;
  background: var(--g-hero); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { font-size: 17px; line-height: 1.9; color: var(--ink-2); max-width: 560px; }
.hero__lead b { color: var(--ink); font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 24px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 10px 22px; padding-top: 22px; border-top: 1px dashed var(--line); }
.hero__meta li { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-2); list-style: none; }
.hero__meta .ic { width: 16px; height: 16px; color: var(--st-done); stroke-width: 2.2; }

/* 浏览器 / 手机取景框 */
.frame { position: relative; }
.browser {
  border-radius: 16px; overflow: hidden; background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-deep);
}
.browser__bar {
  height: 38px; display: flex; align-items: center; gap: 8px; padding: 0 12px;
  background: #F1F2F4; border-bottom: 1px solid var(--line);
}
.browser__dots { display: flex; gap: 6px; }
.browser__dots i { width: 10px; height: 10px; border-radius: 50%; background: #D5D9DE; }
.browser__dots i:nth-child(1) { background: #FF6058; }
.browser__dots i:nth-child(2) { background: #FFBD2E; }
.browser__dots i:nth-child(3) { background: #28C840; }
.browser__url {
  flex: 1; height: 24px; border-radius: 7px; background: #fff; border: 1px solid var(--line);
  display: flex; align-items: center; gap: 7px; padding: 0 10px; font-size: 11.5px; color: var(--ink-3);
  font-family: var(--font-num); overflow: hidden; white-space: nowrap;
}
.browser__url .ic { width: 12px; height: 12px; flex: none; color: var(--st-done); }
.browser img { width: 100%; display: block; }

.phone {
  width: 292px; border-radius: 30px; padding: 9px; background: #14171A;
  box-shadow: var(--shadow-deep);
}
.phone__screen { border-radius: 23px; overflow: hidden; background: #fff; }
.phone img { width: 100%; display: block; }

.float-card {
  position: absolute; background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px;
  box-shadow: var(--shadow-lift); animation: float 6s ease-in-out infinite;
}
.float-card__k { font-size: 12px; color: var(--ink-3); display: flex; align-items: center; gap: 6px; }
.float-card__v { font-size: 21px; font-weight: 700; font-family: var(--font-num); letter-spacing: -.01em; }
.float-card__s { font-size: 11.5px; color: var(--ink-3); }
.float-card--a { left: -26px; bottom: 52px; }
.float-card--b { right: -22px; top: 58px; animation-delay: -3s; }
.float-card--b .float-card__v { color: var(--accent-deep); }
.float-card--c { right: 8px; bottom: -18px; animation-delay: -1.5s; }
.float-card__v small { font-size: 12px; color: var(--ink-3); font-weight: 500; font-family: var(--font); }
@keyframes float { 0%, 100% { transform: translateY(0) } 50% { transform: translateY(-9px) } }

.hero__phones { position: absolute; right: -58px; bottom: -46px; }
.hero__phones .phone { width: 176px; border-radius: 22px; padding: 7px; box-shadow: var(--shadow-lift); }
.hero__phones .phone__screen { border-radius: 17px; }

/* 数据带 */
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.band__in { display: grid; grid-template-columns: repeat(4, 1fr); }
.band__i { padding: 26px 24px; border-left: 1px solid var(--divider); }
.band__i:first-child { border-left: none; }
.band__v { font-family: var(--font-num); font-size: 30px; font-weight: 700; letter-spacing: -.02em; }
.band__v small { font-size: 14px; font-weight: 600; color: var(--ink-3); margin-left: 3px; font-family: var(--font); }
.band__k { font-size: 13px; color: var(--ink-2); margin-top: 4px; }

/* ============================ 痛点 ============================ */
.pain__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pain__card { display: flex; gap: 16px; padding: 24px; border-radius: var(--r-card); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-card); }
.pain__no {
  width: 34px; height: 34px; flex: none; border-radius: 10px; display: grid; place-items: center;
  font-family: var(--font-num); font-weight: 700; font-size: 15px; background: var(--danger-bg); color: var(--danger);
}
.pain__t { font-size: 17px; font-weight: 700; margin-bottom: 6px; letter-spacing: -.01em; }
.pain__d { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }
.pain__d em { font-style: normal; color: var(--danger); font-weight: 600; }

/* ============================ 蒸馏闭环（深色段） ============================ */
.dark {
  background:
    radial-gradient(760px 420px at 88% 0%, rgba(255, 106, 31, .22) 0%, rgba(255, 106, 31, 0) 62%),
    radial-gradient(600px 380px at 6% 96%, rgba(255, 138, 61, .14) 0%, rgba(255, 138, 61, 0) 60%),
    linear-gradient(180deg, #16191D 0%, #101316 100%);
  color: #fff;
}
.dark .sec-head h2 { color: #fff; }
.dark .sec-head p { color: var(--on-dark-2); }
.dark .eyebrow { color: #FFB27D; }
.dark .eyebrow::before { background: #FF8A3D; }
.loop { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 44px; }
.loop__i { position: relative; padding: 22px 18px; border-radius: var(--r-inner); background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .10); }
.loop__i::after {
  content: ''; position: absolute; top: 50%; right: -12px; width: 12px; height: 1px; background: rgba(255, 255, 255, .22);
}
.loop__i:last-child::after { display: none; }
.loop__n { font-family: var(--font-num); font-size: 12px; font-weight: 700; color: #FFB27D; letter-spacing: .1em; }
.loop__t { font-size: 15.5px; font-weight: 700; margin: 8px 0 6px; }
.loop__d { font-size: 13px; color: var(--on-dark-2); line-height: 1.7; }
.loop__i--key { background: linear-gradient(150deg, rgba(255, 106, 31, .22), rgba(255, 106, 31, .06)); border-color: rgba(255, 138, 61, .42); }
.loop__i--key .loop__n { color: #FFC79B; }

.principle { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.principle__i { padding: 24px; border-radius: var(--r-inner); background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .10); }
.principle__i h4 { font-size: 16px; margin: 14px 0 8px; display: flex; align-items: center; gap: 8px; }
.principle__i p { font-size: 13.5px; color: var(--on-dark-2); line-height: 1.8; }
.principle__tag { font-family: var(--font-num); font-size: 11px; padding: 3px 8px; border-radius: var(--r-tag); background: rgba(255, 255, 255, .10); color: #FFC79B; letter-spacing: .06em; }

/* ============================ 能力矩阵 ============================ */
.feat__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat__i { padding: 26px 24px 24px; border-radius: var(--r-card); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-card); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.feat__i:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: var(--accent-line); }
.feat__i h3 { font-size: 16.5px; font-weight: 700; margin: 16px 0 8px; letter-spacing: -.01em; }
.feat__i p { font-size: 14px; color: var(--ink-2); line-height: 1.8; }
.feat__i code { font-family: var(--font-num); font-size: 12.5px; background: var(--inset); border: 1px solid var(--divider); border-radius: 6px; padding: 1px 6px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.chips .pill { height: 34px; font-size: 13.5px; }
.chips .pill .ic { width: 15px; height: 15px; color: var(--accent); stroke-width: 2.2; }

/* ============================ 界面一览 ============================ */
.gallery__tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.gtab {
  display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 15px;
  border-radius: var(--r-pill); border: 1px solid var(--line); background: #fff;
  font-size: 14px; color: var(--ink-2); font-weight: 500; transition: all .18s ease;
}
.gtab .ic { width: 16px; height: 16px; }
.gtab:hover { border-color: var(--accent-line); color: var(--accent-deep); }
.gtab.is-on { background: var(--dark); border-color: var(--dark); color: #fff; box-shadow: var(--shadow-card); }
.gallery__stage {
  position: relative; border-radius: 22px; padding: 32px;
  background: linear-gradient(160deg, #EDEFF2 0%, #E4E6E9 100%);
  border: 1px solid var(--line); display: grid; gap: 26px; grid-template-columns: minmax(0, 1fr) 296px; align-items: start;
}
.gallery__view { min-width: 0; }
.gallery__view .phone { margin: 0 auto; }
.gallery__view .frame { animation: fadeUp .42s ease both; }
.gallery__cap { margin-top: 20px; }
.gallery__cap h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.gallery__cap p { font-size: 14px; color: var(--ink-2); line-height: 1.8; }
.gallery__side { display: flex; flex-direction: column; gap: 12px; }
.gside { background: #fff; border: 1px solid var(--line); border-radius: var(--r-inner); padding: 16px; box-shadow: var(--shadow-card); }
.gside h4 { font-size: 13.5px; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.gside h4 .ic { width: 16px; height: 16px; color: var(--accent); }
.gside ul { list-style: none; display: grid; gap: 8px; }
.gside li { font-size: 13px; color: var(--ink-2); line-height: 1.7; padding-left: 18px; position: relative; }
.gside li::before { content: ''; position: absolute; left: 2px; top: 8px; width: 6px; height: 6px; border-radius: 2px; background: var(--accent-line); }
.gside .btn { width: 100%; margin-top: 2px; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px) } to { opacity: 1; transform: none } }

/* 更多页面缩略图 */
.more { margin-top: 40px; }
.more__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 18px; margin-bottom: 18px; }
.more__head h3 { font-size: 18px; font-weight: 800; }
.more__head .note { max-width: 720px; }
.more__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mcard {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--r-inner);
  overflow: hidden; box-shadow: var(--shadow-card); color: var(--ink);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.mcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: var(--accent-line); color: var(--accent-deep); }
.mcard img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top center; border-bottom: 1px solid var(--divider); }
.mcard span { display: block; padding: 11px 13px; font-size: 13px; font-weight: 600; }

/* ============================ 三端 ============================ */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.trio__i { background: #fff; border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow-card); display: flex; flex-direction: column; }
.trio__top { padding: 24px 24px 20px; border-bottom: 1px solid var(--divider); }
.trio__role { font-size: 12.5px; color: var(--ink-3); letter-spacing: .04em; }
.trio__i h3 { font-size: 19px; font-weight: 800; margin: 6px 0 12px; letter-spacing: -.01em; }
.trio__i ul { list-style: none; display: grid; gap: 9px; padding: 20px 24px 24px; }
.trio__i li { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; padding-left: 24px; position: relative; }
.trio__i li .ic { position: absolute; left: 0; top: 2px; width: 15px; height: 15px; color: var(--st-done); stroke-width: 2.2; }
.trio__shot { margin-top: auto; border-top: 1px solid var(--divider); background: var(--inset); }
.trio__shot img { width: 100%; display: block; }

.table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow-card); }
.table th, .table td { padding: 14px 18px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--divider); vertical-align: top; }
.table th { background: var(--inset); font-weight: 700; font-size: 13.5px; color: var(--ink); }
.table tr:last-child td { border-bottom: none; }
.table td:first-child { color: var(--ink-2); }
.table .col-hi { background: #FFFBF7; font-weight: 600; }

/* ============================ 定价 ============================ */
.price__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.pcard { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 30px 26px; display: flex; flex-direction: column; box-shadow: var(--shadow-card); }
.pcard__tag { position: absolute; top: -13px; left: 26px; height: 26px; padding: 0 12px; border-radius: var(--r-pill); display: inline-flex; align-items: center; font-size: 12.5px; font-weight: 700; background: var(--dark); color: #fff; letter-spacing: .02em; }
.pcard h3 { font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.pcard__for { font-size: 13.5px; color: var(--ink-3); margin-top: 6px; min-height: 42px; }
.pcard__price { display: flex; align-items: flex-end; gap: 8px; margin: 18px 0 6px; }
.pcard__price .cur { font-size: 18px; font-weight: 700; color: var(--ink); transform: translateY(-14px); }
.pcard__price .v { font-family: var(--font-num); font-size: 46px; font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.pcard__price .unit { font-size: 14px; color: var(--ink-3); padding-bottom: 4px; }
.pcard__was { font-size: 13px; color: var(--ink-3); }
.pcard__was s { font-family: var(--font-num); }
.pcard ul { list-style: none; display: grid; gap: 11px; margin: 22px 0 26px; padding-top: 22px; border-top: 1px dashed var(--line); }
.pcard li { font-size: 13.8px; color: var(--ink-2); line-height: 1.7; padding-left: 24px; position: relative; }
.pcard li .ic { position: absolute; left: 0; top: 3px; width: 15px; height: 15px; color: var(--st-done); stroke-width: 2.2; }
.pcard li b { color: var(--ink); font-weight: 600; }
.pcard .btn { margin-top: auto; }
.pcard--hot {
  background: linear-gradient(180deg, #1B1F24 0%, #101316 100%); color: #fff; border-color: #2C3238;
  box-shadow: 0 20px 50px rgba(20, 23, 26, .22); transform: translateY(-6px);
}
.pcard--hot h3 { color: #fff; }
.pcard--hot .pcard__for, .pcard--hot .pcard__was { color: var(--on-dark-2); }
.pcard--hot .pcard__price .cur, .pcard--hot .pcard__price .unit { color: #fff; }
.pcard--hot .pcard__price .v { color: #FFB27D; }
.pcard--hot ul { border-top-color: rgba(255, 255, 255, .14); }
.pcard--hot li { color: #D4DAE1; }
.pcard--hot li b { color: #fff; }
.pcard--hot li .ic { color: #4ED0A8; }
.pcard--hot .pcard__tag { background: var(--g-hero); box-shadow: 0 6px 16px rgba(255, 90, 0, .34); }
.pcard__badge { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 12.5px; color: #7FE3C4; }

.price__foot { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; }
.price__foot .note { max-width: 720px; }

/* ============================ 众筹 ============================ */
.crowd__grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 24px; align-items: start; }
.seats { background: #fff; border: 1px solid var(--line); border-radius: var(--r-card); padding: 26px; box-shadow: var(--shadow-card); }
.seats__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.seats__head h3 { font-size: 18px; font-weight: 800; }
.seats__count { font-family: var(--font-num); font-size: 15px; color: var(--ink-2); }
.seats__count b { font-size: 22px; color: var(--accent); }
.seats__bar { height: 10px; border-radius: 6px; background: var(--seg-track, #E7E9EC); overflow: hidden; margin-bottom: 22px; }
.seats__bar i { display: block; height: 100%; width: 0; border-radius: 6px; background: var(--g1); }
.seats__grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 8px; }
.seat {
  aspect-ratio: 1; border-radius: 9px; background: var(--accent-bg); border: 1px solid var(--accent-line);
  display: grid; place-items: center; font-family: var(--font-num); font-size: 12px; font-weight: 600; color: var(--accent-deep);
  transition: transform .16s ease, box-shadow .16s ease;
}
.seat:hover { transform: translateY(-2px) scale(1.05); box-shadow: 0 6px 14px rgba(255, 106, 31, .22); }
.seats__legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 18px; }
.seats__legend span { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--ink-3); }
.seats__legend i { width: 12px; height: 12px; border-radius: 4px; }

.steps { display: grid; gap: 0; }
.step { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; padding-bottom: 22px; position: relative; }
.step:last-child { padding-bottom: 0; }
.step::before { content: ''; position: absolute; left: 19px; top: 40px; bottom: 0; width: 1.5px; background: var(--line); }
.step:last-child::before { display: none; }
.step__n { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); font-family: var(--font-num); font-weight: 700; color: var(--accent-deep); box-shadow: var(--shadow-card); }
.step__n--on { background: var(--accent); border-color: var(--accent); color: #fff; }
.step h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 5px; }
.step p { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; }

.rules { display: grid; gap: 12px; }
.rule { display: flex; gap: 12px; padding: 16px 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-inner); box-shadow: var(--shadow-card); }
.rule .ic { flex: none; width: 18px; height: 18px; color: var(--accent); margin-top: 2px; stroke-width: 2; }
.rule b { font-weight: 700; }
.rule p { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; }

/* ============================ FAQ ============================ */
.faq__list { display: grid; gap: 12px; max-width: 900px; margin: 0 auto; }
.qa { background: #fff; border: 1px solid var(--line); border-radius: var(--r-inner); box-shadow: var(--shadow-card); overflow: hidden; }
.qa > summary {
  list-style: none; cursor: pointer; padding: 20px 22px; display: flex; align-items: center; gap: 14px;
  font-size: 15.5px; font-weight: 600;
}
.qa > summary::-webkit-details-marker { display: none; }
.qa > summary::after {
  content: ''; margin-left: auto; width: 10px; height: 10px; flex: none;
  border-right: 1.8px solid var(--ink-3); border-bottom: 1.8px solid var(--ink-3);
  transform: rotate(45deg) translateY(-3px); transition: transform .22s ease;
}
.qa[open] > summary::after { transform: rotate(225deg) translateY(-2px); }
.qa[open] > summary { color: var(--accent-deep); }
.qa__body { padding: 0 22px 22px; font-size: 14.5px; color: var(--ink-2); line-height: 1.9; }
.qa__body b { color: var(--ink); }
.qa__num { font-family: var(--font-num); font-size: 13px; color: var(--ink-4); font-weight: 700; }

/* ============================ 收尾 ============================ */
.finale { padding: 0 0 96px; }
.finale__panel {
  position: relative; overflow: hidden; border-radius: 26px; padding: 56px 48px;
  background:
    radial-gradient(640px 340px at 88% 0%, rgba(255, 106, 31, .30) 0%, rgba(255, 106, 31, 0) 60%),
    linear-gradient(150deg, #1B1F24 0%, #0E1114 100%);
  color: #fff; box-shadow: var(--shadow-deep);
  display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 40px; align-items: center;
}
.finale__panel h2 { font-size: clamp(24px, 2.6vw, 34px); line-height: 1.3; letter-spacing: -.02em; font-weight: 800; }
.finale__panel p { color: var(--on-dark-2); font-size: 15px; line-height: 1.85; margin-top: 14px; }
.finale__side { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--r-card); padding: 22px; }
.finale__side h4 { font-size: 14px; margin-bottom: 14px; color: #fff; }

/* 微信二维码卡片（众筹弹窗与收尾面板共用；白底卡片在深色面板上更醒目，也保证扫码对比度） */
.qrbox { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-inner); padding: 14px; }
.qrbox img { width: 140px; height: 140px; flex: none; border-radius: 10px; }
.qrbox__k { min-width: 0; }
.qrbox__k b { display: block; font-size: 14.5px; margin-bottom: 6px; color: var(--ink); }
.qrbox__k span { display: block; font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.qrbox__k em { font-style: normal; color: var(--accent-deep); font-weight: 700; }
.qrbox__link { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 13px; font-weight: 600; }
.qrbox__link .ic { width: 14px; height: 14px; }
.qrbox--modal { margin-bottom: 16px; padding: 16px; background: #fff; }   /* 白底：让二维码静默区与背景同色，扫码更稳 */
.qrbox--modal img { width: 176px; height: 176px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* ============================ 页脚 ============================ */
.foot { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 32px; }
.foot__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 36px; }
.foot h4 { font-size: 13px; color: var(--ink-3); letter-spacing: .06em; margin-bottom: 14px; font-weight: 700; }
.foot ul { list-style: none; display: grid; gap: 9px; }
.foot a { font-size: 14px; color: var(--ink-2); }
.foot a:hover { color: var(--accent-deep); }
.foot p { font-size: 13px; color: var(--ink-3); line-height: 1.85; }
.foot__bar { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--divider); display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center; justify-content: space-between; }
.foot__bar p { font-size: 12.5px; }

/* ============================ 悬浮条 / 弹窗 ============================ */
.fab {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55; display: none;
  gap: 10px; padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(12px); border-top: 1px solid var(--line);
}
.fab .btn { flex: 1; height: 46px; }

/* 弹窗：小屏时内容可能高于视口，因此容器可滚动，box 用 margin:auto 居中（内容超高时自动顶到顶部并可滚动） */
.modal { position: fixed; inset: 0; z-index: 90; display: none; overflow-y: auto; overscroll-behavior: contain; padding: 24px; }
.modal.is-on { display: flex; }
.modal__mask { position: fixed; inset: 0; background: rgba(15, 18, 21, .48); backdrop-filter: blur(3px); }
.modal__box {
  position: relative; width: 100%; max-width: 520px; margin: auto;
  background: #fff; border-radius: 22px;
  box-shadow: var(--shadow-deep); overflow: hidden; animation: fadeUp .28s ease both;
}
.modal__head { padding: 26px 26px 0; display: flex; align-items: flex-start; gap: 14px; }
.modal__head h3 { font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.modal__head p { font-size: 13.5px; color: var(--ink-3); margin-top: 6px; }
.modal__x { margin-left: auto; width: 34px; height: 34px; border-radius: 10px; background: var(--inset); border: 1px solid var(--divider); display: grid; place-items: center; }
.modal__x:hover { background: var(--divider); }
.modal__body { padding: 20px 26px 26px; }
.modal__price { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border-radius: var(--r-inner); background: var(--accent-bg); border: 1px solid var(--accent-line); margin-bottom: 18px; }
.modal__price .v { font-family: var(--font-num); font-size: 32px; font-weight: 700; color: var(--accent-deep); line-height: 1; }
.modal__price .k { font-size: 13px; color: var(--ink-2); line-height: 1.6; }
.modal__price .k b { color: var(--ink); }
.modal__rows { display: grid; gap: 10px; }
.mrow { display: flex; align-items: center; gap: 10px; padding: 13px 15px; border: 1px solid var(--line); border-radius: var(--r-inner); font-size: 13.5px; color: var(--ink-2); }
.mrow .ic { width: 17px; height: 17px; color: var(--accent); flex: none; }
.mrow b { color: var(--ink); font-family: var(--font-num); letter-spacing: .02em; }
.mrow .copybtn { color: var(--accent-deep); border-color: var(--accent-line); }
.mrow .copybtn:hover { background: var(--accent-bg); }
.modal__foot { display: flex; gap: 10px; margin-top: 20px; }
.modal__foot .btn { flex: 1; }
.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translate(-50%, 12px); z-index: 120;
  background: var(--dark); color: #fff; font-size: 13.5px; padding: 11px 18px; border-radius: var(--r-pill);
  opacity: 0; pointer-events: none; transition: opacity .22s ease, transform .22s ease;
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ============================ 动效 ============================ */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity .6s cubic-bezier(.22, .61, .36, 1), transform .6s cubic-bezier(.22, .61, .36, 1); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .float-card { animation: none; }
  .dot::after { animation: none; }
}

/* ============================ 响应式 ============================ */
@media (max-width: 1160px) {
  .nav__links a:nth-child(7), .nav__links a:nth-child(8) { display: none; }
}
@media (max-width: 1180px) {
  .gallery__stage { grid-template-columns: minmax(0, 1fr); }
  .gallery__side { flex-direction: row; }
  .gallery__side > * { flex: 1; }
  .hero__phones { display: none; }
  .float-card--a { left: -10px; }
  .float-card--b { right: -6px; }
}
@media (max-width: 1024px) {
  .sec { padding: 76px 0; }
  .nav__links { display: none; }
  .nav__burger { display: grid; }
  .nav__cta { display: none; }
  .nav__links.is-open {
    display: grid; position: absolute; top: var(--nav-h); left: 16px; right: 16px;
    background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 10px;
    box-shadow: var(--shadow-lift);
  }
  .nav__links.is-open a { padding: 12px 14px; font-size: 15px; }
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: 46px; }
  .hero { padding-top: calc(var(--nav-h) + 46px); }
  .float-card--a { left: 0; bottom: -18px; }
  .float-card--b { top: -18px; right: 0; }
  .float-card--c { display: none; }
  .pain__grid, .feat__grid, .trio, .price__grid, .principle { grid-template-columns: repeat(2, 1fr); }
  .more__grid { grid-template-columns: repeat(2, 1fr); }
  .loop { grid-template-columns: repeat(2, 1fr); }
  .loop__i::after { display: none; }
  .crowd__grid, .finale__panel { grid-template-columns: minmax(0, 1fr); }
  .pcard--hot { transform: none; }
  .band__in { grid-template-columns: repeat(2, 1fr); }
  .band__i:nth-child(3) { border-left: none; }
  .band__i:nth-child(n+3) { border-top: 1px solid var(--divider); }
  .foot__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .wrap { padding: 0 18px; }
  .sec { padding: 60px 0; }
  .sec-head { margin-bottom: 34px; }
  .hero { padding-bottom: 64px; }
  .hero h1 { font-size: 30px; }
  .hero__lead { font-size: 15px; }
  .hero__cta .btn { flex: 1 1 100%; }
  .pain__grid, .feat__grid, .trio, .price__grid, .principle, .loop, .foot__grid, .band__in { grid-template-columns: minmax(0, 1fr); }
  .more__grid { grid-template-columns: repeat(2, 1fr); }
  .band__i { border-left: none; border-top: 1px solid var(--divider); padding: 20px 18px; }
  .band__i:first-child { border-top: none; }
  .gallery__stage { padding: 16px; }
  .gallery__side { flex-direction: column; }
  .browser__url { display: none; }
  .seats__grid { grid-template-columns: repeat(5, 1fr); }
  .finale__panel { padding: 34px 22px; }
  .fab { display: flex; }
  .foot { padding-bottom: 92px; }
  .table th, .table td { padding: 12px 12px; font-size: 13px; }
  .table { display: block; overflow-x: auto; white-space: nowrap; }
  .modal { padding: 14px; }
  .modal__head, .modal__body { padding-left: 20px; padding-right: 20px; }
  .modal__foot { flex-direction: column; }
  .qrbox { flex-direction: column; gap: 12px; text-align: center; }
  .qrbox img, .qrbox--modal img { width: 200px; height: 200px; }
  .qrbox__link { justify-content: center; }
  .float-card { padding: 10px 12px; }
  .float-card__v { font-size: 18px; }
}