:root {
  color-scheme:dark;
  --bg:#0b0b10;
  --panel:#14141b;
  --text:#f4f4f0;
  --muted:#a3a3ab;
  --line:#292930;
  --gold:#f0a945;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:95px
}
body {
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  line-height:1.7;
  -webkit-font-smoothing:antialiased
}
body:before {
  content:"";
  position:absolute;
  z-index:-1;
  inset:0 0 auto;
  height:850px;
  background:radial-gradient(ellipse at 78% 18%,#a06c211b,transparent 58%);
  pointer-events:none
}
a {
  color:inherit;
  text-decoration:none
}
button,a,summary {
  -webkit-tap-highlight-color:transparent
}
a:focus-visible,summary:focus-visible {
  outline:2px solid var(--gold);
  outline-offset:6px
}
::selection {
  background:#f0a94544
}
h1,h2,h3,p {
  margin:0
}
svg,img {
  display:block
}
h1,h2,h3 {
  line-height:1.35
}
em {
  font-style:normal
}
.shell {
  max-width:1248px;
  padding-inline:40px;
  margin-inline:auto
}
.section {
  padding-block:112px
}
.skip-link {
  position:fixed;
  top:-80px;
  left:20px;
  z-index:10;
  background:var(--gold);
  color:var(--bg);
  padding:10px 20px
}
.skip-link:focus {
  top:15px
}
.site-header {
  border-bottom:1px solid #ffffff0c;
  background:#0b0b10e8
}
.header-inner {
  height:92px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px
}
.brand {
  display:inline-flex;
  align-items:center;
  gap:11px;
  white-space:nowrap;
  font-size:24px;
  font-weight:700;
  letter-spacing:.08em
}
.header-inner nav {
  display:flex;
  gap:35px;
  color:#c1bfb9;
  font-size:14px
}
.header-inner nav a:hover,.header-login:hover,.text-link:hover {
  color:var(--gold)
}
.header-login {
  font-size:14px;
  display:flex;
  gap:15px;
  align-items:center
}
.header-login span {
  font-size:20px
}
.hero {
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:64px;
  align-items:center;
  padding-block:92px 108px
}
.eyebrow {
  font-size:12px;
  letter-spacing:.16em;
  color:var(--gold);
  font-weight:600
}
.hero .eyebrow {
  display:flex;
  align-items:center;
  gap:10px
}
.eyebrow span {
  height:1px;
  width:25px;
  background:var(--gold)
}
h1 {
  font-size:clamp(42px,4.4vw,59px);
  line-height:1.3;
  letter-spacing:-.05em;
  margin-top:24px;
  font-weight:650
}
h1 em {
  color:#f3ba63
}
.hero-lead {
  font-size:19px;
  max-width:470px;
  line-height:1.9;
  margin-top:28px;
  color:#dbd8d2
}
.hero-note {
  font-size:14px;
  max-width:470px;
  color:var(--muted);
  margin-top:16px;
  line-height:1.9
}
.actions {
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:32px
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:24px;
  min-height:50px;
  padding:11px 23px;
  border-radius:7px;
  font-size:14px;
  font-weight:650;
  transition:background .16s,transform .16s
}
.button:hover {
  transform:translateY(-2px)
}
.button.primary {
  background:linear-gradient(125deg,#f5c169,#eea243);
  color:#17110a;
  box-shadow:0 6px 25px #c887151a
}
.button.primary:hover {
  background:#f7c878
}
.button.secondary {
  border:1px solid #3b3934;
  background:#ffffff02;
  color:#e2ddd4
}
.button.secondary:hover {
  border-color:#a78349
}
.button span {
  font-size:20px;
  line-height:1
}
.availability {
  display:flex;
  align-items:center;
  gap:12px;
  font-size:11px;
  color:#8d8a84;
  margin-top:20px;
  letter-spacing:.03em
}
.availability i {
  width:3px;
  height:3px;
  border-radius:50%;
  background:#807562
}
.studio-preview {
  border:1px solid #3a342a;
  border-radius:14px;
  background:linear-gradient(135deg,#1b1a21,#121219);
  box-shadow:0 30px 100px -45px #000,0 1px 0 #ffffff08 inset;
  transform:rotate(-1deg)
}
.preview-top {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:19px 22px;
  border-bottom:1px solid var(--line)
}
.preview-brand {
  font-size:13px;
  font-weight:700
}
.preview-brand b {
  font-size:10px;
  font-weight:400;
  color:#8d8b95;
  margin-left:13px
}
.preview-tag {
  font-size:10px;
  color:#c7b493;
  border:1px solid #55462f;
  border-radius:4px;
  padding:1px 7px
}
.preview-body {
  padding:22px
}
.source-strip {
  display:flex;
  align-items:center;
  gap:13px;
  padding:16px;
  background:#252128;
  border:1px solid #383139;
  border-radius:8px
}
.source-icon {
  display:grid;
  place-items:center;
  width:39px;
  height:44px;
  background:linear-gradient(140deg,#5a482c,#332b23);
  border:1px solid #775c35;
  border-radius:4px;
  color:#f7c36e;
  font-size:12px
}
.mini-label {
  font-size:10px;
  letter-spacing:.08em;
  color:#9d9689
}
.source-strip strong {
  display:block;
  font-size:14px;
  font-weight:500;
  margin-top:3px
}
.source-format {
  margin-left:auto;
  font-size:9px;
  color:#a29988;
  white-space:nowrap
}
.preview-flow {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:19px;
  font-size:10px;
  padding:21px 0;
  color:#86828c
}
.preview-flow b {
  font-weight:400;
  color:#4d4650
}
.preview-flow .active {
  color:var(--gold)
}
.analysis-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px
}
.analysis-grid>div {
  padding:15px 13px 12px;
  background:#10101688;
  border:1px solid #2b2931;
  border-radius:7px
}
.analysis-grid h3 {
  font-size:13px;
  font-weight:500;
  margin-top:7px
}
.analysis-grid p {
  font-size:9px;
  color:#9a959e;
  margin-top:15px
}
.story-line {
  display:flex;
  align-items:end;
  gap:7px;
  height:38px;
  padding:0 2px;
  border-bottom:1px solid #55452e;
  margin-top:11px
}
.story-line i {
  width:24px;
  background:#d6a44f66;
  height:14px;
  border-top:2px solid #d6a44f
}
.story-line i:nth-child(2) {
  height:25px
}
.story-line i:nth-child(3) {
  height:36px;
  background:#d6a44f99
}
.story-line i:nth-child(4) {
  height:21px
}
.characters {
  height:38px;
  margin-top:11px;
  display:flex;
  align-items:center
}
.characters span {
  font-size:9px;
  border:1px solid #655034;
  border-radius:50%;
  width:35px;
  height:35px;
  display:grid;
  place-items:center;
  color:#d5be94
}
.characters i {
  height:1px;
  background:#665137;
  width:23px
}
.characters span:last-child {
  border-color:#3c3b47;
  color:#a3a0b1
}
.script-sheet {
  margin-top:13px;
  border:1px solid #3e352b;
  border-left:2px solid #d3a353;
  background:linear-gradient(110deg,#28221c75,#16141a);
  border-radius:5px;
  padding:17px 18px 21px
}
.script-sheet>div:first-child {
  display:flex;
  justify-content:space-between
}
.sheet-label {
  color:#8c8170;
  font-size:9px
}
.script-sheet h3 {
  font-size:16px;
  font-weight:500;
  margin-top:15px;
  color:#e5d9c3
}
.script-sheet p {
  font-size:11px;
  color:#aaa195;
  margin-top:9px;
  line-height:1.8
}
.writing-lines {
  margin-top:17px;
  display:grid;
  gap:8px
}
.writing-lines span {
  height:3px;
  width:91%;
  background:#4b414044;
  border-radius:2px
}
.writing-lines span:nth-child(2) {
  width:78%
}
.writing-lines span:nth-child(3) {
  width:47%
}
.preview-footer {
  border-top:1px solid var(--line);
  padding:12px 22px;
  font-size:10px;
  color:#938e90;
  display:flex;
  align-items:center;
  gap:7px
}
.status-dot {
  width:5px;
  height:5px;
  background:var(--gold);
  border-radius:50%
}
.features {
  border-top:1px solid var(--line)
}
.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:50px;
  margin-bottom:48px
}
h2 {
  font-size:34px;
  font-weight:600;
  letter-spacing:-.025em;
  margin-top:14px
}
.section-heading>p {
  max-width:365px;
  color:var(--muted);
  font-size:14px;
  line-height:1.95
}
.feature-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden
}
.feature {
  padding:29px 24px;
  background:linear-gradient(180deg,#17171c77,#12121733);
  position:relative;
  border-right:1px solid var(--line)
}
.feature:last-child {
  border-right:0
}
.feature-number {
  position:absolute;
  right:22px;
  top:26px;
  font-size:11px;
  color:#57545c;
  font-family:Consolas,monospace
}
.feature svg {
  width:30px;
  height:30px;
  stroke:#d6ae6b;
  stroke-width:1.4;
  fill:none;
  margin:8px 0 27px
}
.feature h3 {
  font-size:18px;
  font-weight:600;
  margin-bottom:14px
}
.feature p {
  font-size:13px;
  color:var(--muted);
  line-height:1.95
}
.feature-caption {
  display:block;
  margin-top:27px;
  color:#b3a184;
  font-size:10px;
  letter-spacing:.04em
}
.workflow-band {
  background:#131318;
  border-block:1px solid #232329
}
.workflow-band .section {
  padding-block:82px
}
.text-link {
  font-size:14px;
  color:#c9b38d;
  white-space:nowrap
}
.text-link span {
  margin-left:12px
}
.workflow {
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:54px
}
.workflow li {
  border-top:1px solid #494137;
  padding-top:23px
}
.workflow li>span {
  color:#c09b64;
  font-size:10px;
  letter-spacing:.12em
}
.workflow h3 {
  font-size:19px;
  font-weight:550;
  margin:15px 0 12px
}
.workflow p {
  font-size:13px;
  color:var(--muted);
  max-width:300px;
  line-height:1.95
}
.faq {
  display:grid;
  grid-template-columns:1fr 1.5fr;
  gap:80px
}
.faq-intro {
  font-size:14px;
  color:var(--muted);
  margin-top:21px;
  line-height:1.9
}
.faq-list {
  border-top:1px solid var(--line)
}
details {
  border-bottom:1px solid var(--line)
}
summary {
  position:relative;
  cursor:pointer;
  padding:23px 33px 23px 0;
  font-size:15px;
  list-style:none
}
summary::-webkit-details-marker {
  display:none
}
summary:after {
  content:"+";
  position:absolute;
  right:6px;
  top:19px;
  color:#c3a777;
  font-size:23px;
  font-weight:300
}
details[open] summary:after {
  content:"−"
}
details p {
  color:var(--muted);
  font-size:13px;
  line-height:1.95;
  padding:0 34px 24px 0
}
.closing {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
  border:1px solid #443725;
  border-radius:11px;
  padding:48px 42px;
  margin:0 auto 92px;
  max-width:1168px;
  background:radial-gradient(ellipse at right,#77501822,transparent 75%),#141216
}
.closing h2 {
  font-size:30px
}
.closing p:last-child {
  margin-top:14px;
  font-size:14px;
  color:var(--muted)
}
.closing .button {
  flex-shrink:0
}
.site-footer {
  display:flex;
  align-items:center;
  gap:30px;
  min-height:110px;
  border-top:1px solid var(--line);
  padding-block:25px
}
.site-footer .brand {
  font-size:18px;
  gap:7px
}
.site-footer>p {
  font-size:11px;
  color:#77747e
}
.site-footer>div {
  margin-left:auto;
  display:flex;
  gap:25px;
  align-items:center;
  font-size:11px;
  color:#928e98
}
.site-footer a:hover {
  color:var(--gold)
}
@media(min-width:1500px) {
  .hero {
    padding-block:116px 132px
  }
}
@media(max-width:1050px) {
  .shell {
    padding-inline:28px
  }
  .hero {
    gap:36px
  }
  .hero h1 {
    font-size:45px
  }
  .hero-lead {
    font-size:17px
  }
  .preview-body {
    padding:16px
  }
  .source-format {
    display:none
  }
  .feature-grid {
    grid-template-columns:repeat(2,1fr)
  }
  .feature:nth-child(2) {
    border-right:0
  }
  .feature:nth-child(-n+2) {
    border-bottom:1px solid var(--line)
  }
  .feature {
    padding:27px
  }
  .section {
    padding-block:85px
  }
  .closing {
    margin-inline:28px
  }
  .faq {
    gap:45px
  }
  .site-footer {
    gap:17px
  }
  .site-footer>div {
    gap:16px
  }
}
@media(max-width:760px) {
  .shell {
    padding-inline:22px
  }
  .header-inner {
    height:76px;
    gap:16px
  }
  .brand {
    font-size:21px;
    gap:7px
  }
  .brand img {
    width:34px;
    height:34px
  }
  .header-inner nav {
    display:none
  }
  .header-login {
    font-size:12px;
    gap:8px
  }
  .hero {
    grid-template-columns:1fr;
    gap:51px;
    padding-top:59px;
    padding-bottom:69px
  }
  .hero h1 {
    font-size:clamp(39px,8.4vw,58px);
    line-height:1.35
  }
  .hero-copy {
    max-width:540px
  }
  .hero-lead {
    margin-top:24px;
    font-size:17px
  }
  .hero-note {
    font-size:13px
  }
  .studio-preview {
    max-width:520px;
    width:100%;
    margin-inline:auto;
    transform:none
  }
  .preview-body {
    padding:21px
  }
  .preview-top {
    padding:17px 21px
  }
  .source-format {
    display:block
  }
  .analysis-grid>div {
    padding:16px
  }
  .analysis-grid h3 {
    font-size:14px
  }
  .analysis-grid p {
    font-size:10px
  }
  .script-sheet {
    padding:18px
  }
  .script-sheet h3 {
    font-size:17px
  }
  .section {
    padding-block:69px
  }
  .section-heading {
    display:block;
    margin-bottom:32px
  }
  .section-heading>p {
    margin-top:21px
  }
  h2 {
    font-size:28px
  }
  .feature-grid {
    grid-template-columns:1fr 1fr
  }
  .feature {
    padding:22px 17px
  }
  .feature h3 {
    font-size:16px
  }
  .feature p {
    font-size:12px
  }
  .feature-caption {
    font-size:9px
  }
  .feature svg {
    margin-bottom:20px
  }
  .feature-number {
    right:17px
  }
  .workflow-band .section {
    padding-block:61px
  }
  .workflow-band .text-link {
    display:inline-block;
    margin-top:23px
  }
  .workflow {
    grid-template-columns:1fr;
    gap:30px
  }
  .workflow h3 {
    margin-top:11px
  }
  .workflow p {
    max-width:none
  }
  .faq {
    grid-template-columns:1fr;
    gap:34px
  }
  .faq-intro {
    display:none
  }
  .faq h2 {
    margin-bottom:0
  }
  summary {
    font-size:14px
  }
  .closing {
    display:block;
    padding:31px 25px;
    margin-inline:22px;
    margin-bottom:59px
  }
  .closing h2 {
    font-size:25px
  }
  .closing .button {
    margin-top:25px
  }
  .closing p:last-child {
    font-size:13px
  }
  .site-footer {
    flex-wrap:wrap;
    gap:12px;
    padding-block:28px
  }
  .site-footer>p {
    margin-left:auto
  }
  .site-footer>div {
    width:100%;
    margin:0;
    justify-content:space-between
  }
  .availability {
    font-size:10px
  }
}
@media(max-width:390px) {
  .shell {
    padding-inline:18px
  }
  .hero h1 {
    font-size:37px
  }
  .button {
    padding:11px 18px;
    gap:18px
  }
  .actions {
    gap:10px
  }
  .feature-grid {
    grid-template-columns:1fr
  }
  .feature {
    border-right:0;
    border-bottom:1px solid var(--line)
  }
  .feature:last-child {
    border-bottom:0
  }
  .feature p {
    font-size:13px
  }
  .feature-caption {
    font-size:10px
  }
  .source-format {
    display:none
  }
  .preview-body {
    padding:15px
  }
  .analysis-grid>div {
    padding:13px 10px
  }
  .analysis-grid h3 {
    font-size:12px
  }
  .analysis-grid p {
    font-size:9px
  }
  .closing {
    margin-inline:18px
  }
  .site-footer>p {
    font-size:9px
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  .button {
    transition:none
  }
  .button:hover {
    transform:none
  }
}

/* 联系客服悬浮标识：右下角常驻，点击展开微信号 */
.support-fab {
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:40;
  display:grid;
  justify-items:end;
  gap:10px;
  font-size:14px;
}
.support-toggle {
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid #f0a94555;
  border-radius:999px;
  background:#14141be6;
  color:var(--gold);
  font:inherit;
  font-weight:600;
  padding:10px 18px;
  cursor:pointer;
  box-shadow:0 8px 28px #00000059;
  backdrop-filter:blur(6px);
}
.support-toggle:hover {
  border-color:var(--gold);
  background:#1c1c25;
}
.support-toggle:focus-visible {
  outline:2px solid var(--gold);
  outline-offset:3px;
}
.support-toggle svg {
  width:17px;
  height:17px;
  fill:currentColor;
}
.support-card {
  display:grid;
  gap:8px;
  justify-items:center;
  min-width:200px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--panel);
  padding:16px 20px;
  box-shadow:0 14px 44px #00000073;
}
.support-card[hidden] {
  display:none;
}
.support-title {
  color:var(--muted);
  font-size:13px;
}
.support-id {
  font-size:20px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--gold);
  user-select:all;
}
.support-copy {
  border:none;
  border-radius:8px;
  background:var(--gold);
  color:#14141b;
  font:inherit;
  font-weight:600;
  padding:7px 16px;
  cursor:pointer;
}
.support-copy:hover {
  filter:brightness(1.08);
}
.support-copy:focus-visible {
  outline:2px solid var(--gold);
  outline-offset:3px;
}
.support-note {
  color:var(--muted);
  font-size:12px;
}
@media(max-width:760px) {
  .support-fab {
    right:14px;
    bottom:14px;
    font-size:13px;
  }
  .support-toggle {
    padding:9px 15px;
  }
}