/* ==========================================================================
   site.css —— 移动端优先的长图文落地页样式
   设计要点：480px 单列居中（桌面上呈现为「手机」宽度），暖白纸感背景，
   深红作为唯一强调色，标题重、正文疏，卡片化分区。
   ========================================================================== */

/* ---------- 变量 ---------- */
:root {
  --ink: #17181c;
  --ink-2: #3a3f4a;
  --muted: #6f7480;
  --line: #e8e2d8;
  --line-2: #f2ede5;

  --paper: #ffffff;
  --paper-2: #faf6ef;
  --paper-3: #f3ece1;

  --brand: #b3161f;
  --brand-2: #d81e2c;
  --brand-soft: #fdeceb;
  --gold: #b9861c;
  --gold-soft: #fdf3d8;
  --good: #11793f;

  --radius: 16px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(23, 24, 28, 0.05), 0 6px 16px rgba(23, 24, 28, 0.05);
  --shadow-md: 0 10px 34px rgba(23, 24, 28, 0.11);

  --maxw: 480px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue",
    Arial, sans-serif;
}

/* ---------- 基础 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: #e7e0d4;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0 auto;
  max-width: var(--maxw);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0.005em;
  overflow-x: hidden;
  box-shadow: 0 0 60px rgba(60, 48, 30, 0.12);
}

/* 让页脚始终贴底，短页面也不会露出白边 */
main {
  flex: 1 0 auto;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 关键：作者样式里的 display 会盖掉浏览器默认的 [hidden]{display:none} */
[hidden] {
  display: none !important;
}

.noscript-tip {
  margin: 0;
  padding: 0.7rem 1.15rem;
  background: var(--gold-soft);
  color: #7a5a10;
  font-size: 0.78rem;
  line-height: 1.6;
}

.noscript-tip a {
  font-weight: 700;
  color: var(--brand);
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 800;
}

p {
  margin: 0;
}

ul,
ol,
dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
}

:focus-visible {
  outline: 2.5px solid var(--brand-2);
  outline-offset: 2px;
  border-radius: 6px;
}

/* 图标统一尺寸 */
svg {
  width: 1.25em;
  height: 1.25em;
  flex: 0 0 auto;
  display: inline-block;
  vertical-align: -0.18em;
}

/* ==========================================================================
   顶部公告条
   ========================================================================== */
.topbar {
  overflow: hidden;
  background: var(--ink);
  color: #f7f2e9;
  font-size: 0.72rem;
  padding-top: var(--safe-t);
}

.topbar-track {
  display: flex;
  width: max-content;
  animation: marquee 34s linear infinite;
}

.topbar-group {
  display: flex;
  gap: 2.2rem;
  padding: 0.55rem 1.1rem;
  white-space: nowrap;
}

.topbar-item + .topbar-item::before {
  content: "◆";
  margin-right: 2.2rem;
  font-size: 0.55em;
  vertical-align: 0.2em;
  opacity: 0.55;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ==========================================================================
   品牌栏
   ========================================================================== */
.brandbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1.1rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line-2);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(150deg, #d62630, #96101a);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: 0 3px 10px rgba(179, 22, 31, 0.25);
}

.brand-mark.small {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 0.98rem;
  letter-spacing: 0.02em;
}

.brand-text small {
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.76rem;
  color: var(--ink-2);
  text-decoration: none;
  background: #fff;
}

.brand-link svg {
  width: 1em;
  height: 1em;
  color: var(--brand);
}

/* ==========================================================================
   通用区块与标题
   ========================================================================== */
.section,
.hero {
  padding: 2rem 1.15rem;
}

#order,
#packages {
  scroll-margin-top: 64px;
}

.section-order.is-flash {
  animation: flash 0.9s ease;
}

@keyframes flash {
  0% { background-color: #fdeceb; }
  100% { background-color: #fff; }
}

.section-paper {
  background: var(--paper-2);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--brand);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

.section-title {
  font-size: 1.42rem;
  margin-bottom: 0.7rem;
}

.section-title.center,
.section-lead.center {
  text-align: center;
}

.section-lead {
  color: var(--ink-2);
  font-size: 0.94rem;
  margin-bottom: 1.3rem;
}

.callout {
  margin-top: 1.3rem;
  padding: 1rem 1.1rem;
  background: #fff;
  border-left: 3px solid var(--gold);
  border-radius: 0 12px 12px 0;
  font-size: 0.9rem;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
}

.fine-print {
  margin-top: 1.1rem;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.6;
}

.disclaimer {
  display: flex;
  gap: 0.55rem;
  margin-top: 1.1rem;
  padding: 0.85rem 0.95rem;
  background: var(--paper-3);
  border-radius: 12px;
  font-size: 0.76rem;
  color: var(--ink-2);
  line-height: 1.6;
}

.disclaimer svg {
  color: var(--muted);
  margin-top: 0.15em;
}

/* ==========================================================================
   按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 48px;
  padding: 0 1.35rem;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: translateY(1px) scale(0.995);
}

.btn-primary {
  background: linear-gradient(180deg, var(--brand-2), #96101a);
  color: #fff;
  box-shadow: 0 8px 20px rgba(179, 22, 31, 0.26);
}

.btn-lg {
  min-height: 54px;
  font-size: 1.04rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}

.btn-outline {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
  font-size: 0.92rem;
  flex: 1;
}

.btn-outline svg {
  color: var(--brand);
}

.btn[disabled] {
  opacity: 0.6;
  cursor: default;
  box-shadow: none;
}

/* ==========================================================================
   首屏
   ========================================================================== */
.hero {
  padding-top: 1.6rem;
  background:
    radial-gradient(120% 60% at 50% 0%, #fdf6ea 0%, rgba(255, 255, 255, 0) 62%),
    #fff;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.7rem 0.32rem 0.5rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-2);
  box-shadow: 0 0 0 3px rgba(216, 30, 44, 0.16);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero-title {
  margin: 0.85rem 0 0;
  font-size: 1.72rem;
  line-height: 1.32;
  letter-spacing: -0.015em;
}

.hero-line {
  display: block;
}

.hero-highlight {
  display: block;
  margin-top: 0.45rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--brand);
  background: linear-gradient(transparent 58%, var(--gold-soft) 58%, var(--gold-soft) 92%, transparent 92%);
  padding: 0 0.15rem;
  width: fit-content;
}

.hero-lead {
  margin-top: 0.9rem;
  font-size: 0.95rem;
  color: var(--ink-2);
  line-height: 1.75;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin: 1.15rem 0 1.3rem;
}

.hero-figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 首屏品牌角标 */
.honor-chip {
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.7rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}

.honor-icon {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand);
}

.honor-icon svg {
  width: 0.95rem;
  height: 0.95rem;
}

.honor-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  min-width: 0;
}

.honor-text strong {
  font-size: 0.76rem;
  color: var(--ink);
}

.honor-text small {
  font-size: 0.62rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
  margin-top: 1.1rem;
}

.trust-row li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.55rem 0.2rem;
  font-size: 0.68rem;
  color: var(--ink-2);
  text-align: center;
  border-radius: 12px;
  background: var(--paper-2);
}

.trust-row svg {
  width: 1.35rem;
  height: 1.35rem;
  color: var(--brand);
}

/* ==========================================================================
   痛点列表
   ========================================================================== */
.pain-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.pain-item {
  display: flex;
  gap: 0.8rem;
  padding: 0.9rem 1rem;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}

.pain-no {
  flex: 0 0 auto;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--brand);
  opacity: 0.55;
  padding-top: 0.12rem;
  font-variant-numeric: tabular-nums;
}

.pain-item h3 {
  font-size: 0.97rem;
  margin-bottom: 0.22rem;
}

.pain-item p {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ==========================================================================
   资质
   ========================================================================== */
.section-badges {
  background: #fff;
}

.badge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.badge {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  padding: 0.9rem 0.85rem;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: linear-gradient(180deg, #fff, var(--paper-2));
}

.badge-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: 0.15rem;
}

.badge-icon svg {
  width: 1.1rem;
  height: 1.1rem;
}

.badge strong {
  font-size: 0.85rem;
}

.badge small {
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ==========================================================================
   三步机理
   ========================================================================== */
.steps {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.step {
  position: relative;
  display: flex;
  gap: 0.85rem;
}

.step-no {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(150deg, var(--brand-2), #96101a);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 6px 16px rgba(179, 22, 31, 0.24);
}

.step-body h3 {
  font-size: 1.06rem;
  margin-bottom: 0.3rem;
}

.step-body > p {
  font-size: 0.88rem;
  color: var(--ink-2);
  line-height: 1.7;
}

.step-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.6rem;
}

.step-points li {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  padding: 0.24rem 0.6rem;
  border-radius: 999px;
  background: var(--gold-soft);
  color: #7a5a10;
  font-size: 0.72rem;
  font-weight: 600;
}

.step-points svg {
  width: 0.85em;
  height: 0.85em;
  color: var(--gold);
}

/* ==========================================================================
   产品
   ========================================================================== */
.product-figure {
  margin: 0 0 1.1rem;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.product-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.spec-table {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.spec-row {
  display: flex;
  gap: 0.8rem;
  padding: 0.7rem 0.95rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--line-2);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-row dt {
  flex: 0 0 5.2em;
  color: var(--muted);
  font-weight: 500;
}

.spec-row dd {
  margin: 0;
  flex: 1;
  color: var(--ink);
  line-height: 1.6;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}

.check-list li {
  display: flex;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: var(--ink-2);
  line-height: 1.6;
}

.check-list svg {
  color: var(--good);
  margin-top: 0.18em;
}

/* ==========================================================================
   用户见证
   ========================================================================== */
.story-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.story {
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.story-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.story-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--paper-3);
  flex: 0 0 auto;
}

.story-meta {
  flex: 1 1 6rem;
  min-width: 0;
}

.story-meta h3 {
  font-size: 0.9rem;
  font-weight: 700;
}

.story-meta h3 small {
  font-weight: 500;
  color: var(--muted);
  font-size: 0.74rem;
  margin-left: 0.2rem;
}

.story-meta p {
  font-size: 0.7rem;
  color: var(--muted);
}

.story-result {
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.7rem;
  font-weight: 700;
  white-space: nowrap;
}

.story-quote {
  margin: 0.75rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--line);
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ==========================================================================
   数据条
   ========================================================================== */
.section-dark {
  background: linear-gradient(160deg, #20232b, #12141a 70%);
  color: #f6f1e7;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem 0.8rem;
  text-align: center;
}

.stat-grid strong {
  display: block;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: #f0c766;
  font-variant-numeric: tabular-nums;
}

.stat-grid span {
  font-size: 0.72rem;
  color: rgba(246, 241, 231, 0.72);
  line-height: 1.5;
}

.stat-note {
  margin-top: 1.2rem;
  font-size: 0.66rem;
  color: rgba(246, 241, 231, 0.42);
  text-align: center;
}

/* ==========================================================================
   对比表
   ========================================================================== */
.compare-wrap {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.compare {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.76rem;
}

.compare col.col-label {
  width: 42%;
}

.compare col.col-val {
  width: 19.33%;
}

.compare th,
.compare td {
  padding: 0.62rem 0.3rem;
  text-align: center;
  border-bottom: 1px solid var(--line-2);
  overflow-wrap: break-word;
}

.compare thead th {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--muted);
  background: var(--paper-2);
  line-height: 1.35;
  padding: 0.6rem 0.2rem;
}

.compare thead th.is-us {
  color: var(--brand);
  background: var(--brand-soft);
}

.compare tbody th {
  text-align: left;
  font-weight: 500;
  color: var(--ink-2);
  font-size: 0.75rem;
  line-height: 1.45;
  padding-left: 0.8rem;
}

.compare td.is-us {
  background: rgba(253, 236, 235, 0.45);
}

.compare tr:last-child th,
.compare tr:last-child td {
  border-bottom: 0;
}

.cmp-yes,
.cmp-no {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

.cmp-yes {
  background: rgba(17, 121, 63, 0.1);
  color: var(--good);
}

.cmp-no {
  background: #f0f1f3;
  color: #a9aeb8;
}

.cmp-yes svg,
.cmp-no svg {
  width: 12px;
  height: 12px;
  stroke-width: 2.6;
}

.cmp-part {
  font-size: 0.7rem;
  color: var(--muted);
}

/* ==========================================================================
   规格与价格（价格阶梯）
   ========================================================================== */
.perk-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.perk-row li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.28rem;
  padding: 0.55rem 0.2rem;
  border-radius: 10px;
  background: #fff;
  font-size: 0.62rem;
  color: var(--ink-2);
  text-align: center;
  line-height: 1.3;
}

.perk-row svg {
  width: 1.05rem;
  height: 1.05rem;
  color: var(--brand);
}

.ladder {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.ladder-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "qty price"
    "meta meta";
  gap: 0.2rem 0.8rem;
  align-items: center;
  padding: 0.8rem 0.95rem 0.65rem;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ladder-row.is-featured {
  border-color: var(--brand);
  background: linear-gradient(180deg, #fffdfb, #fff);
  box-shadow: 0 8px 24px rgba(179, 22, 31, 0.12);
  padding-top: 1.02rem;
}

.ladder-badge {
  position: absolute;
  top: -0.6rem;
  left: 0.9rem;
  padding: 0.14rem 0.6rem;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--brand-2), #96101a);
  color: #fff;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  box-shadow: 0 4px 10px rgba(179, 22, 31, 0.28);
}

.ladder-qty {
  grid-area: qty;
  line-height: 1.2;
}

.ladder-qty strong {
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.ladder-qty small {
  display: block;
  margin-top: 0.12rem;
  font-size: 0.67rem;
  color: var(--muted);
}

.ladder-price {
  grid-area: price;
  text-align: right;
  line-height: 1.2;
}

.ladder-price strong {
  display: block;
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.ladder-price span {
  font-size: 0.65rem;
  color: var(--gold);
  font-weight: 700;
}

.ladder-meta {
  grid-area: meta;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.4rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--line);
}

.ladder-save {
  font-size: 0.69rem;
  font-weight: 700;
  color: var(--good);
  background: rgba(17, 121, 63, 0.09);
  padding: 0.14rem 0.5rem;
  border-radius: 999px;
}

.ladder-save.is-plain {
  color: var(--muted);
  background: var(--paper-3);
  font-weight: 600;
}

.ladder-go {
  min-height: 34px;
  padding: 0 1.05rem;
  border: 1.5px solid var(--brand);
  border-radius: 999px;
  background: #fff;
  color: var(--brand);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.ladder-row.is-featured .ladder-go {
  background: linear-gradient(180deg, var(--brand-2), #96101a);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 16px rgba(179, 22, 31, 0.24);
}

.ladder-go:active {
  transform: translateY(1px);
}

/* ==========================================================================
   订购表单
   ========================================================================== */
.section-order {
  background: #fff;
  border-top: 1px solid var(--line);
  padding-top: 1.35rem;
}

.order-form fieldset {
  margin: 0 0 1.35rem;
  padding: 0;
  border: 0;
}

.order-form legend {
  padding: 0;
  margin-bottom: 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}

/* 汇总行里的「更换规格」 */
.sum-change {
  margin-left: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--brand);
  text-decoration: none;
  border-bottom: 1px solid rgba(179, 22, 31, 0.35);
  padding-bottom: 0.5px;
}

.sum-change:hover {
  border-bottom-color: var(--brand);
}

/* 价格阶梯里「已选」状态 */
.ladder-go.is-on {
  background: linear-gradient(180deg, var(--brand-2), #96101a);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 16px rgba(179, 22, 31, 0.24);
  cursor: default;
}

/* 价格阶梯整行可点 */
.ladder-row {
  cursor: pointer;
}

/* 输入框 */
.field {
  margin-bottom: 0.85rem;
}

.field label {
  display: block;
  margin-bottom: 0.32rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-2);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.78rem 0.85rem;
  font-family: inherit;
  font-size: 16px; /* 16px 避免 iOS 聚焦缩放 */
  line-height: 1.4;
  color: var(--ink);
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
  -webkit-appearance: none;
  appearance: none;
}

.field textarea {
  resize: vertical;
  min-height: 58px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #b3b7bf;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(179, 22, 31, 0.1);
}

.field.has-error input,
.field.has-error textarea {
  border-color: var(--brand-2);
  background: #fffafa;
}

.field-error {
  margin-top: 0.28rem;
  font-size: 0.72rem;
  color: var(--brand-2);
  min-height: 0;
}

.field-error:empty {
  display: none;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.input-prefix {
  display: flex;
  align-items: stretch;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.input-prefix:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(179, 22, 31, 0.1);
}

.input-prefix .prefix {
  display: grid;
  place-items: center;
  padding: 0 0.7rem;
  background: var(--paper-2);
  border-right: 1px solid var(--line-2);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
}

.input-prefix input {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding-left: 0.7rem;
}

.input-prefix input:focus {
  box-shadow: none;
}

.field.has-error .input-prefix {
  border-color: var(--brand-2);
}

/* 金额汇总 */
.order-summary {
  margin: 1.2rem 0 0.9rem;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  background: var(--paper-2);
  border: 1px solid var(--line-2);
}

.sum-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.28rem 0;
  font-size: 0.85rem;
  color: var(--ink-2);
}

.sum-row strong {
  font-weight: 700;
  color: var(--ink);
  text-align: right;
}

.sum-free {
  color: var(--good) !important;
}

.sum-total {
  margin-top: 0.35rem;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--line);
}

.sum-total strong {
  font-size: 1.22rem;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.pay-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
  padding: 0.6rem 0.8rem;
  border-radius: 12px;
  background: #eef7f1;
  color: #14603a;
  font-size: 0.8rem;
  font-weight: 600;
}

.pay-note svg {
  flex: 0 0 auto;
}

.agreement {
  margin-top: 0.7rem;
  font-size: 0.68rem;
  color: var(--muted);
  line-height: 1.6;
  text-align: center;
}

.form-error {
  margin-top: 0.7rem;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.8rem;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-toggle {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--paper-3);
  color: var(--ink-2);
  transition: transform 0.2s ease, background 0.2s ease;
}

.faq-toggle svg {
  width: 12px;
  height: 12px;
  stroke-width: 2.4;
}

.faq-item[open] .faq-toggle {
  transform: rotate(45deg);
  background: var(--brand);
  color: #fff;
}

.faq-body {
  padding-bottom: 0.95rem;
  font-size: 0.85rem;
  color: var(--ink-2);
  line-height: 1.8;
}

/* ==========================================================================
   客服
   ========================================================================== */
.section-contact {
  background: var(--paper-2);
}

.contact-btns {
  display: flex;
  gap: 0.55rem;
  margin-top: 1rem;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  padding: 1.6rem 1.15rem calc(2.4rem + 78px + var(--safe-b));
  background: #17181c;
  color: rgba(246, 241, 231, 0.72);
  font-size: 0.75rem;
  line-height: 1.7;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-brand strong {
  color: #f6f1e7;
  font-size: 0.92rem;
}

.footer-brand strong small {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: rgba(246, 241, 231, 0.5);
  margin-left: 0.2rem;
}

.footer-brand p {
  font-size: 0.7rem;
  color: rgba(246, 241, 231, 0.5);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-links a {
  text-decoration: none;
  font-size: 0.78rem;
  color: rgba(246, 241, 231, 0.82);
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  padding: 1rem 0;
}

.footer-info > div {
  display: flex;
  gap: 0.6rem;
}

.footer-info dt {
  flex: 0 0 3.4em;
  color: rgba(246, 241, 231, 0.4);
}

.footer-info dd {
  margin: 0;
  flex: 1;
}

.footer-disclaimer {
  padding-top: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 0.68rem;
  color: rgba(246, 241, 231, 0.42);
  line-height: 1.7;
}

.footer-copy {
  margin-top: 0.8rem;
  font-size: 0.62rem;
  color: rgba(246, 241, 231, 0.3);
}

/* ==========================================================================
   吸底 CTA
   ========================================================================== */
.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 60;
  width: 100%;
  max-width: var(--maxw);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.55rem 0.9rem calc(0.55rem + var(--safe-b));
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 20px rgba(23, 24, 28, 0.07);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.sticky-cta.is-hidden {
  transform: translate(-50%, 110%);
}

.sticky-price {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex: 0 0 auto;
}

.sticky-label {
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.sticky-price strong {
  font-size: 1.12rem;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.sticky-cta .btn {
  flex: 1;
  min-height: 46px;
  font-size: 0.95rem;
}

/* ==========================================================================
   下单成功弹层
   ========================================================================== */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(15, 16, 20, 0.55);
  backdrop-filter: blur(3px);
  animation: fade 0.2s ease;
}

.sheet {
  width: 100%;
  max-width: var(--maxw);
  max-height: 92vh;
  overflow-y: auto;
  padding: 1.6rem 1.15rem calc(1.3rem + var(--safe-b));
  background: #fff;
  border-radius: 22px 22px 0 0;
  animation: sheetUp 0.28s cubic-bezier(0.32, 0.72, 0, 1);
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes sheetUp {
  from { transform: translateY(24px); opacity: 0.6; }
  to { transform: translateY(0); opacity: 1; }
}

.sheet-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin: 0 auto 0.8rem;
  border-radius: 50%;
  background: #eef7f1;
  color: var(--good);
}

.sheet-icon svg {
  width: 1.7rem;
  height: 1.7rem;
  stroke-width: 2.4;
}

.sheet h2 {
  font-size: 1.24rem;
  text-align: center;
}

.sheet-sub {
  margin: 0.35rem 0 1.1rem;
  font-size: 0.84rem;
  color: var(--muted);
  text-align: center;
}

.sheet-order {
  padding: 0.9rem 0.95rem;
  border-radius: 14px;
  background: var(--paper-2);
  border: 1px solid var(--line-2);
}

.sheet-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.25rem 0;
  font-size: 0.84rem;
}

.sheet-row span {
  color: var(--muted);
  flex: 0 0 auto;
}

.sheet-row strong {
  text-align: right;
  font-weight: 700;
  word-break: break-word;
}

.sheet-row.col {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
}

.sheet-row.col strong {
  text-align: left;
  font-weight: 600;
  color: var(--ink-2);
  font-size: 0.82rem;
}

.accent {
  color: var(--brand) !important;
  font-size: 1.02rem !important;
}

.sheet-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.1rem;
}

.sheet-tip {
  margin-top: 0.8rem;
  font-size: 0.68rem;
  color: var(--muted);
  text-align: center;
}

/* ==========================================================================
   滚动进入动画（渐进增强）
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .topbar-track,
  .eyebrow-dot {
    animation: none;
  }
  * {
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   订单查询页
   ========================================================================== */
.track-main {
  padding: 1.5rem 1.15rem 3rem;
  min-height: 60vh;
}

.track-card {
  padding: 1.15rem 1rem 1.25rem;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow-sm);
}

.track-card + .track-card {
  margin-top: 1rem;
}

.track-hint {
  margin-top: 0.7rem;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  background: var(--paper-2);
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.6;
}

.result-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--line);
}

.result-no {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.result-head h2 {
  font-size: 1.1rem;
  margin-top: 0.15rem;
}

.status-pill {
  flex: 0 0 auto;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}

.result-grid {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.9rem 0;
  border-bottom: 1px dashed var(--line);
}

.result-grid .r-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.84rem;
}

.result-grid .r-row span {
  color: var(--muted);
  flex: 0 0 auto;
}

.result-grid .r-row strong {
  text-align: right;
  font-weight: 600;
  word-break: break-word;
}

.timeline {
  padding-top: 0.9rem;
}

.timeline li {
  position: relative;
  padding: 0 0 0.9rem 1.15rem;
  border-left: 1.5px solid var(--line);
}

.timeline li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.35rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(179, 22, 31, 0.12);
}

.timeline strong {
  display: block;
  font-size: 0.84rem;
}

.timeline time {
  font-size: 0.7rem;
  color: var(--muted);
}

.timeline p {
  font-size: 0.76rem;
  color: var(--ink-2);
  margin-top: 0.1rem;
}

/* ==========================================================================
   说明页（条款 / 隐私 / 配送）
   ========================================================================== */
.legal {
  padding: 1.5rem 1.15rem 3rem;
}

.legal h1 {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.legal .updated {
  font-size: 0.74rem;
  color: var(--muted);
  margin-bottom: 1.4rem;
}

.legal section {
  margin-bottom: 1.3rem;
}

.legal h2 {
  font-size: 0.98rem;
  margin-bottom: 0.45rem;
  color: var(--brand);
}

.legal p {
  font-size: 0.86rem;
  color: var(--ink-2);
  line-height: 1.85;
}

.legal p + p {
  margin-top: 0.5rem;
}

/* 说明页也留出吸底条空间 */
.page-legal main,
.page-track main {
  padding-bottom: 1rem;
}

/* ==========================================================================
   大屏（仍保持移动端版式，只是加上外框）
   ========================================================================== */
@media (min-width: 520px) {
  body {
    border-radius: 0;
  }
  .hero-title {
    font-size: 1.9rem;
  }
}