/* 片多多营销站
   版式气质取自 impeccable.style（灰阶纸面、细体大标题、用线不用卡、小圆角、克制动效）；
   颜色、字体栈、动效曲线取自产品 UI 规范 v2（亮色=苹果性格，暗色=剪映性格）。
   全页只有一种强调色：亮区 #0071E3，暗区 #2F6BFF。 */

:root {
  --paper: #f5f5f7;
  --raised: #ffffff;
  --sunk: #ebebef;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --ink-3: #a1a1a6;
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: rgba(0, 0, 0, 0.16);
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-wash: rgba(0, 113, 227, 0.08);

  --d-canvas: #121212;
  --d-surface: #1b1b1d;
  --d-ink: #f2f2f3;
  --d-ink-2: #a0a0a6;
  --d-ink-3: #6c6c74;
  --d-line: rgba(255, 255, 255, 0.08);
  --d-accent: #2f6bff;

  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC",
    "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Consolas, "Noto Sans Mono", "DejaVu Sans Mono",
    "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", monospace;

  --ease: cubic-bezier(0.2, 0, 0, 1);
  --section-pad: clamp(72px, 9vw, 128px);
  --gutter: clamp(20px, 4vw, 56px);
  --wrap: 1200px;
  --measure: 36em;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  font-feature-settings: "tnum" 1;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 4px;
  transition: text-decoration-color 200ms var(--ease), color 200ms var(--ease);
}

a:hover {
  text-decoration-color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

h1,
h2,
h3,
p {
  margin: 0;
  text-wrap: pretty;
}

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.eyebrow b {
  font-weight: 500;
  color: var(--ink);
}

.display {
  font-weight: 300;
  font-size: clamp(2.25rem, 4.4vw, 3.75rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.title {
  font-weight: 300;
  font-size: clamp(1.875rem, 3.4vw, 2.75rem);
  line-height: 1.25;
}

.lede {
  font-size: 18px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: var(--measure);
}

.muted {
  color: var(--ink-2);
}

.small {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
}

.todo {
  color: var(--ink-2);
  border-bottom: 1px dashed var(--ink-3);
}

/* ---------- 正文排版：短段落 + 重点突出 ---------- */

.prose {
  display: flex;
  flex-direction: column;
  gap: 0.35em;
}

.prose.lines {
  gap: 0.1em;
}

.prose p {
  margin: 0;
}

strong {
  font-weight: 600;
  color: var(--ink);
}

.showcase strong,
.closing strong {
  color: var(--d-ink);
}

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 22px;
  border-radius: 4px;
  border: 1px solid transparent;
  font: 500 15px/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease);
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}

.btn-primary:hover {
  background: #000;
}

.btn-primary .arrow {
  color: #5ea8ff;
  transition: color 200ms var(--ease);
}

.btn-quiet {
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-quiet:hover {
  border-color: var(--ink);
}

.btn-sm {
  height: 38px;
  padding: 0 16px;
  font-size: 14px;
}

/* ---------- 页头 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(245, 245, 247, 0.92);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img {
  width: 28px;
  height: 28px;
}

.brand-name {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.08em;
}

.brand-sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-2);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 15px;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-2);
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav a.btn-primary {
  color: #fff;
}

/* ---------- 首屏 ---------- */

.hero {
  padding: clamp(56px, 8vw, 112px) 0 clamp(64px, 8vw, 104px);
}

.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-hook {
  font-size: 15px;
  color: var(--ink-2);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.trust {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-size: 14px;
  color: var(--ink-2);
}

.trust li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.trust li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* 出片机：6 个镜头位滚筒 → 中线选中 → 播放头扫过时间轴拼成一条成片 → 进入出片队列。
   机身用产品暗色主题（剪映性格），是首屏唯一的暗块。 */

.machine {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rig {
  --item: 68px;
  --item-gap: 8px;
  background: var(--d-canvas);
  color: var(--d-ink);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.06), 0 32px 80px rgba(0, 0, 0, 0.22);
}

.rig-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--d-ink-2);
}

.rig-live {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--d-ink);
}

.rig-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #27a644;
  animation: live 1.6s var(--ease) infinite;
}

.rig-name {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.rig-count b {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--d-ink);
}

.rig-progress {
  height: 2px;
  background: var(--d-line);
  border-radius: 2px;
  overflow: hidden;
}

.rig-progress span {
  display: block;
  height: 100%;
  width: 23%;
  background: var(--d-accent);
  transition: width 600ms var(--ease);
}

.stage {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.reels {
  position: relative;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
}

.reel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.reel-label {
  text-align: center;
  font-size: 12px;
  line-height: 1.3;
  color: var(--d-ink-2);
}

.reel-label small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--d-ink-3);
}

.reel-window {
  height: calc(var(--item) * 3 + var(--item-gap) * 2);
  overflow: hidden;
  border-radius: 4px;
  -webkit-mask-image: linear-gradient(transparent, #000 30%, #000 70%, transparent);
  mask-image: linear-gradient(transparent, #000 30%, #000 70%, transparent);
}

.reel-strip {
  display: flex;
  flex-direction: column;
  gap: var(--item-gap);
  will-change: transform;
  transition: transform 820ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reel-strip.is-instant {
  transition: none;
}

.thumb {
  position: relative;
  flex: none;
  height: var(--item);
  border-radius: 4px;
  overflow: hidden;
  background: linear-gradient(170deg, var(--a), var(--b));
}

.thumb.has-img,
.out.has-img {
  background: var(--img) center / cover no-repeat, linear-gradient(170deg, var(--a), var(--b));
}

.thumb.has-img::before,
.thumb.has-img::after {
  display: none;
}

.thumb::before,
.thumb::after {
  content: "";
  position: absolute;
}

.thumb.sun::before {
  width: 38%;
  aspect-ratio: 1;
  left: 50%;
  top: 22%;
  border-radius: 50%;
  background: rgba(255, 236, 190, 0.9);
}

.thumb.sun::after {
  left: -10%;
  right: -10%;
  bottom: -30%;
  height: 62%;
  background: rgba(0, 0, 0, 0.45);
  clip-path: polygon(0 60%, 30% 10%, 55% 55%, 75% 25%, 100% 60%, 100% 100%, 0 100%);
}

.thumb.person::before {
  width: 30%;
  aspect-ratio: 1;
  left: 35%;
  top: 22%;
  border-radius: 50%;
  background: rgba(255, 226, 196, 0.9);
}

.thumb.person::after {
  width: 56%;
  height: 34%;
  left: 22%;
  bottom: -4%;
  border-radius: 50% 50% 0 0;
  background: rgba(0, 0, 0, 0.35);
}

.thumb.plate::before {
  width: 64%;
  height: 22%;
  left: 18%;
  top: 48%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
}

.thumb.plate::after {
  width: 34%;
  height: 16%;
  left: 33%;
  top: 40%;
  border-radius: 50% 50% 30% 30%;
  background: rgba(230, 150, 70, 0.95);
}

.thumb-no {
  position: absolute;
  z-index: 1;
  left: 5px;
  bottom: 4px;
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}

.payline {
  position: absolute;
  left: -6px;
  right: -6px;
  height: calc(var(--item) + 8px);
  border: 1px solid var(--d-accent);
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(47, 107, 255, 0.18), 0 0 28px rgba(47, 107, 255, 0.28);
  pointer-events: none;
  transition: box-shadow 300ms var(--ease);
}

.payline.is-hit {
  box-shadow: 0 0 0 1px rgba(47, 107, 255, 0.4), 0 0 40px rgba(47, 107, 255, 0.5);
}

.track {
  display: flex;
  gap: 3px;
  height: 30px;
  padding: 3px;
  border-radius: 4px;
  background: #0e0e0f;
}

.seg {
  position: relative;
  border-radius: 3px;
  background: #232326;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 24px;
  padding-left: 6px;
  color: var(--d-ink-3);
  white-space: nowrap;
  transition: color 200ms var(--ease);
}

.seg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(170deg, var(--a, #232326), var(--b, #232326));
  opacity: 0;
  transition: opacity 180ms var(--ease);
}

.seg span {
  position: relative;
}

.seg.is-lit {
  color: #fff;
}

.seg.is-lit::before {
  opacity: 1;
}

.seg.has-img::before {
  background: var(--img) center / cover no-repeat;
}

.seg.has-img.is-lit span {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.playhead {
  position: absolute;
  top: 36px;
  bottom: -4px;
  left: 0;
  width: 2px;
  margin-left: -1px;
  background: #ff4d4f;
  box-shadow: 0 0 12px rgba(255, 77, 79, 0.6);
  opacity: 0;
}

.playhead.is-sweeping {
  opacity: 1;
  left: 100%;
  transition: left 900ms linear, opacity 120ms linear;
}

.feed {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--d-line);
}

.feed-label {
  flex: none;
  font-size: 12px;
  color: var(--d-ink-3);
}

.feed-list {
  flex: 1;
  display: flex;
  gap: 8px;
  overflow: hidden;
  height: 64px;
  -webkit-mask-image: linear-gradient(90deg, #000 70%, transparent);
  mask-image: linear-gradient(90deg, #000 70%, transparent);
}

.out {
  position: relative;
  flex: none;
  width: 36px;
  height: 64px;
  border-radius: 4px;
  overflow: hidden;
  background: linear-gradient(170deg, var(--a), var(--b));
  animation: out-in 520ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.out span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 0 3px;
  text-align: center;
  font-family: var(--mono);
  font-size: 9px;
  color: #fff;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
}

.out.is-seed {
  animation: none;
}

.out.is-new {
  box-shadow: 0 0 0 1px var(--d-accent);
}

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

@keyframes live {
  50% {
    opacity: 0.35;
  }
}

@keyframes out-in {
  from {
    opacity: 0;
    transform: translateX(-16px) scale(0.9);
  }
}

/* ---------- 暗色产品区 ---------- */

.showcase {
  background: var(--d-canvas);
  color: var(--d-ink);
  padding: var(--section-pad) 0;
}

.showcase .eyebrow {
  color: var(--d-ink-2);
}

.showcase .eyebrow b {
  color: var(--d-ink);
}

.showcase-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 48px;
}

.showcase-head .title {
  margin-top: 16px;
}

.showcase-head p {
  color: var(--d-ink-2);
  max-width: var(--measure);
}

.shot-frame {
  border-radius: 12px;
  overflow: hidden;
  background: var(--d-surface);
  box-shadow: 0 0 0 1px var(--d-line), 0 24px 64px rgba(0, 0, 0, 0.35);
}

.shot-caption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--d-ink-3);
}

.shot-caption b {
  color: var(--d-ink-2);
  font-weight: 500;
}

/* ---------- 通用区块 ---------- */

.section {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--line);
}

.section.white {
  background: var(--raised);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: clamp(40px, 5vw, 64px);
  max-width: 44em;
}

/* 痛点 */

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.stat {
  padding: 28px 28px 0 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat + .stat {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.stat-num {
  font-weight: 300;
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.1;
}

.stat-num small {
  font-size: 0.4em;
  font-weight: 400;
  color: var(--ink-2);
  margin-left: 4px;
}

.pain-body {
  margin-top: 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.pain-body p {
  max-width: var(--measure);
}

.pain-chart figcaption {
  margin-top: 12px;
}

.pain-chart svg {
  width: 100%;
  height: auto;
}

/* 三步 */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  counter-reset: step;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid var(--ink);
}

.step-no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.step h3 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
}

.step p {
  color: var(--ink-2);
  font-size: 16px;
}

/* 功能 */

.features {
  display: flex;
  flex-direction: column;
  gap: clamp(64px, 8vw, 104px);
}

.feature {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.feature.flip .feature-copy {
  order: 2;
}

.feature.flip {
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
}

.feature-copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-copy h3 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 300;
  line-height: 1.3;
}

.feature-copy p {
  color: var(--ink-2);
}

.feature-shot {
  border-radius: 8px;
  overflow: hidden;
  background: var(--sunk);
  box-shadow: 0 0 0 1px var(--line);
}

.feature-list {
  margin-top: clamp(64px, 8vw, 104px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.feature-list > div {
  padding: 24px 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-list > div + div {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.feature-list h3 {
  font-size: 17px;
  font-weight: 600;
}

.feature-list p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* 算账 */

.calc {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: 14px;
  color: var(--ink-2);
}

.field input,
.field select {
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--raised);
  font: 400 17px var(--sans);
  color: var(--ink);
  transition: border-color 200ms var(--ease);
}

.field input:hover,
.field select:hover {
  border-color: var(--ink-3);
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-wash);
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}

.calc-table th,
.calc-table td {
  text-align: left;
  padding: 16px 12px 16px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.calc-table thead th {
  font-weight: 500;
  font-size: 14px;
  color: var(--ink-2);
  border-bottom-color: var(--line-strong);
}

.calc-table tbody th {
  font-weight: 400;
  color: var(--ink-2);
  width: 24%;
}

.calc-table td.num {
  font-variant-numeric: tabular-nums;
}

.calc-result {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-result .big {
  font-weight: 300;
  font-size: clamp(2.25rem, 4.4vw, 3.5rem);
  line-height: 1.15;
}

.calc-result .big em {
  font-style: normal;
  color: var(--accent);
}

/* 适合谁 */

.scenes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: clamp(48px, 6vw, 72px);
  border-top: 1px solid var(--ink);
}

.scenes > div {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 28px 0 0;
}

.scenes > div + div {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.scenes h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
}

.scenes .prose {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}


.fit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
}

.fit h3 {
  font-size: 17px;
  font-weight: 600;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ink);
}

.fit ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.fit li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.fit li::before {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.8;
}

.fit .yes li::before {
  content: "✓";
  color: var(--accent);
}

.fit .no li::before {
  content: "×";
  color: var(--ink-3);
}

.fit .no li {
  color: var(--ink-2);
}

/* 价格 */

.plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.plan {
  padding: 32px 28px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.plan + .plan {
  border-left: 1px solid var(--line);
}

.plan.is-featured {
  background: var(--raised);
  box-shadow: inset 0 2px 0 var(--accent);
}

.plan-name {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 17px;
  font-weight: 600;
}

.plan-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 400;
}

.plan-price {
  font-weight: 300;
  font-size: clamp(2.25rem, 3.6vw, 3rem);
  line-height: 1.1;
}

.plan-price small {
  font-size: 15px;
  color: var(--ink-2);
  margin-left: 4px;
}

.plan-alt {
  font-size: 14px;
  color: var(--ink-2);
  min-height: 1.6em;
}

.plan p {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.7;
  flex: 1;
}

.plans-note {
  margin-top: 20px;
}

.unlimited {
  list-style: none;
  margin: 0 0 24px;
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 32px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 17px;
}

.unlimited li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.unlimited li:first-child {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
}

.unlimited li + li::before {
  content: "✓";
  color: #5ea8ff;
  font-weight: 600;
}

.unlimited strong {
  color: #fff;
}

.dist {
  margin-top: clamp(56px, 7vw, 88px);
  padding-top: clamp(40px, 5vw, 56px);
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.dist-head {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.dist-title {
  font-weight: 300;
  font-size: clamp(1.625rem, 2.6vw, 2.25rem);
  line-height: 1.3;
}

.dist-head .muted {
  max-width: var(--measure);
}

.dist-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.dist-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 32px;
  border-top: 1px solid var(--line-strong);
}

.dist-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.dist-list b {
  font-size: 16px;
  font-weight: 600;
}

.dist-list span {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* 常见问题 */

.faq {
  max-width: 52em;
  border-top: 1px solid var(--line-strong);
}

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

.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  font-size: 18px;
  font-weight: 500;
}

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

.faq summary::after {
  content: "+";
  font-family: var(--mono);
  font-weight: 400;
  color: var(--ink-3);
  transition: color 200ms var(--ease);
}

.faq details[open] summary::after {
  content: "−";
  color: var(--accent);
}

.faq details p {
  padding: 0 0 24px;
  color: var(--ink-2);
  max-width: var(--measure);
}

.faq details .prose {
  padding: 0 0 24px;
  max-width: var(--measure);
}

.faq details .prose p {
  padding: 0;
}

/* 收尾 */

.closing {
  background: var(--d-canvas);
  color: var(--d-ink);
  padding: var(--section-pad) 0;
}

.closing .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 88px);
}

.closing .eyebrow {
  color: var(--d-ink-2);
}

.closing-copy {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.closing-copy p {
  color: var(--d-ink-2);
  max-width: var(--measure);
}

.contact {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--d-line);
}

.contact-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--d-line);
  align-items: center;
}

.contact-row > span:first-child {
  font-size: 14px;
  color: var(--d-ink-3);
}

.qr {
  width: 160px;
  height: 160px;
  padding: 10px;
  border-radius: 8px;
  background: #fff;
}

.wechat-id {
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--d-ink);
  user-select: all;
}

.closing .btn-primary {
  background: var(--d-accent);
}

.closing .btn-primary:hover {
  background: #5488ff;
}

.closing .btn-primary .arrow {
  color: #fff;
}

.closing .todo {
  color: var(--d-ink-2);
  border-bottom-color: var(--d-ink-3);
}

/* 页脚 */

.site-footer {
  background: var(--sunk);
  padding: 40px 0;
  font-size: 14px;
  color: var(--ink-2);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 32px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--ink);
}

/* ---------- 响应式 ---------- */

@media (max-width: 960px) {
  .site-nav a:not(.btn) {
    display: none;
  }

  .hero .wrap,
  .showcase-head,
  .pain-body,
  .feature,
  .feature.flip,
  .calc,
  .fit,
  .closing .wrap,
  .dist {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature.flip .feature-copy {
    order: 0;
  }

  .steps,
  .plans,
  .scenes,
  .feature-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .plan + .plan {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .scenes > div + div,
  .feature-list > div + div {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    margin-top: 24px;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .dist-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .brand-sub {
    display: none;
  }

  .stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .stat + .stat {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    margin-top: 28px;
  }

  .rig {
    --item: 48px;
    padding: 12px;
  }

  .reels {
    gap: 4px;
  }

  .reel-label {
    font-size: 9px;
    white-space: nowrap;
    letter-spacing: -0.02em;
  }

  .seg {
    font-size: 9px;
    padding-left: 3px;
  }

  .rig-name {
    display: none;
  }

  .shot-caption {
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0ms !important;
    animation: none !important;
  }
}