:root {
  --ink: #101018;
  --muted: #69697a;
  --line: rgba(20, 18, 40, 0.09);
  --paper: #f8f7fb;
  --purple: #7057f5;
  --purple-dark: #4c36cc;
}

/* 旧版脚本若仍被浏览器或 CDN 缓存，相关提示节点也永远不参与布局与显示。 */
.security-notice,
.devtools-shield,
#security-notice,
#devtools-shield {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Static HTML edition helpers */
[hidden],
.is-hidden {
  display: none !important;
}

.pagination:empty {
  display: none;
}

.static-page main {
  min-height: 100vh;
}

.step-image-trigger img {
  display: block;
}

.image-lightbox[aria-hidden="true"] {
  display: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: #171326;
  background-image: url("https://acg.yaohud.cn/dm/adaptive.php");
  background-position: center top;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.modal-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

main {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(248,247,251,.46), rgba(248,247,251,.76) 58%, rgba(248,247,251,.67));
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 20;
  opacity: 0.025;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

.ambient {
  position: fixed;
  z-index: -1;
  width: 42vw;
  height: 42vw;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.12;
  pointer-events: none;
  animation: ambient-float 22s ease-in-out infinite alternate;
}

.ambient-one {
  top: 10%;
  left: -18%;
  background: #7c5cff;
}

.ambient-two {
  right: -20%;
  top: 48%;
  background: #39c6b4;
  animation-delay: -8s;
  animation-duration: 28s;
}

.site-header {
  position: fixed;
  z-index: 15;
  top: 0;
  left: 0;
  right: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(13, 10, 31, 0.56);
  backdrop-filter: blur(22px) saturate(135%);
  color: #fff;
  animation: header-in 1.2s cubic-bezier(.2,.75,.25,1) both;
}

.header-inner {
  width: min(1180px, calc(100% - 48px));
  height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(145deg, #8a73ff, #5137d8);
  box-shadow: 0 12px 30px rgba(94, 67, 223, .36), inset 0 1px rgba(255,255,255,.35);
  transform: rotate(-6deg);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 10px;
}

.brand-mark span {
  position: relative;
  z-index: 1;
  font-family: Georgia, serif;
  font-weight: 700;
  font-size: 22px;
  transform: rotate(6deg);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-size: 17px;
  letter-spacing: .12em;
}

.brand-copy small {
  font-size: 8px;
  letter-spacing: .25em;
  opacity: .52;
}

.desktop-nav {
  display: flex;
  height: 100%;
  align-items: center;
  gap: 40px;
  font-size: 14px;
  color: rgba(255,255,255,.62);
}

.desktop-nav a {
  position: relative;
  display: grid;
  align-items: center;
  height: 100%;
  transition: color .7s ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #8f79ff;
  transform: translateX(-50%);
  transition: width .7s cubic-bezier(.2,.75,.25,1);
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: #fff;
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
  width: 24px;
}

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  font-size: 12px;
  transition: background .7s ease, transform .7s cubic-bezier(.2,.75,.25,1), border-color .7s ease;
}

.support-link:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.3);
  background: rgba(255,255,255,.12);
}

.support-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #63e6bd;
  box-shadow: 0 0 0 5px rgba(99,230,189,.1);
  animation: dot-pulse 3s ease-in-out infinite;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 500px;
  padding: 100px clamp(28px, 4vw, 72px) 36px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 76% 20%, rgba(115,83,255,.3), transparent 28%),
    radial-gradient(circle at 20% 76%, rgba(68,197,185,.09), transparent 24%),
    linear-gradient(135deg, rgba(12,10,28,.91) 0%, rgba(21,16,45,.89) 47%, rgba(11,9,24,.92) 100%);
  backdrop-filter: blur(1px);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 520px;
  right: -120px;
  bottom: -310px;
  border-radius: 50%;
  background: rgba(119,87,255,.16);
  filter: blur(15px);
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 92%);
}

.hero-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(139,115,255,.14);
  border-radius: 50%;
  animation: orbit-spin 34s linear infinite;
}

.hero-orbit::before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  top: 20%;
  left: 5%;
  border-radius: 50%;
  background: #836cff;
  box-shadow: 0 0 25px #836cff;
}

.orbit-one {
  width: 660px;
  height: 660px;
  top: 10%;
  right: -320px;
}

.orbit-two {
  width: 430px;
  height: 430px;
  bottom: -290px;
  left: -150px;
  animation-direction: reverse;
  animation-duration: 41s;
}

.hero-content {
  width: min(1540px, 100%);
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(340px, .65fr);
  align-items: center;
  gap: clamp(44px, 6vw, 120px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: 100%;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 15px;
  color: rgba(255,255,255,.48);
  font-size: 9px;
  letter-spacing: .16em;
}

.eyebrow-brand,
.eyebrow-status {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.075);
  backdrop-filter: blur(12px);
}

.eyebrow-brand {
  padding: 0 11px;
  color: rgba(255,255,255,.7);
  box-shadow: inset 0 1px rgba(255,255,255,.11);
}

.eyebrow-status {
  gap: 7px;
  padding: 0 10px;
  letter-spacing: .08em;
}

.eyebrow-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #63e6bd;
  box-shadow: 0 0 0 4px rgba(99,230,189,.1), 0 0 14px rgba(99,230,189,.45);
  animation: dot-pulse 3s ease-in-out infinite;
}

.hero h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(48px, 5vw, 78px);
  line-height: 1.1;
  letter-spacing: -.055em;
  font-weight: 650;
}

.hero h1 span {
  position: relative;
  display: inline-block;
  color: transparent;
  background: linear-gradient(100deg, #fff 8%, #b4a6ff 54%, #78ddd1 120%);
  background-clip: text;
}

.hero h1 span::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 2%;
  right: 5%;
  bottom: 1px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(111,82,239,.18), rgba(84,183,207,.2), rgba(215,123,167,.12));
  filter: blur(5px);
  transform: scaleX(.9);
  transform-origin: left;
  animation: title-glow 6s 1.2s ease-in-out infinite alternate;
}

.hero-description {
  margin: 21px 0 24px;
  color: rgba(255,255,255,.53);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: .02em;
}

.search-wrap {
  width: min(780px, 100%);
}

.search-box {
  position: relative;
  isolation: isolate;
  height: 58px;
  padding: 8px 10px 8px 22px;
  display: flex;
  align-items: center;
  gap: 15px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  background: rgba(255,255,255,.085);
  backdrop-filter: blur(18px);
  box-shadow: 0 28px 65px rgba(0,0,0,.24), inset 0 1px rgba(255,255,255,.08);
  transition: border-color .8s ease, background .8s ease, box-shadow .8s ease, transform .8s cubic-bezier(.2,.75,.25,1);
}

.search-box::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -1px;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(110deg, rgba(126,95,245,.38), rgba(255,255,255,.6) 40%, rgba(88,195,207,.34));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: .45;
  pointer-events: none;
}

.search-box::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 80px;
  height: 180%;
  top: -40%;
  left: -130px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.32), transparent);
  transform: rotate(16deg);
  animation: search-shine 8s 2s ease-in-out infinite;
  pointer-events: none;
}

.search-box:focus-within {
  transform: translateY(-2px);
  border-color: rgba(166,145,255,.55);
  background: rgba(255,255,255,.12);
  box-shadow: 0 32px 80px rgba(0,0,0,.32), 0 0 0 5px rgba(124,92,255,.08);
}

.search-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border: 1.5px solid rgba(255,255,255,.7);
  border-radius: 50%;
}

.search-icon::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 1.5px;
  right: -5px;
  bottom: -2px;
  border-radius: 2px;
  background: rgba(255,255,255,.7);
  transform: rotate(45deg);
}

.search-box input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  color: #fff;
  background: transparent;
  font-size: 14px;
}

.search-box input::placeholder {
  color: rgba(255,255,255,.35);
}

.search-action {
  position: relative;
  z-index: 1;
  min-width: 64px;
  min-height: 38px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 12px;
  color: rgba(255,255,255,.9);
  background: linear-gradient(135deg, #7860e9, #5f85e5 58%, #55b9c2);
  box-shadow: 0 9px 22px rgba(91,69,191,.2), inset 0 1px rgba(255,255,255,.28);
  font-size: 11px;
  font-weight: 400;
}

.search-action i {
  font-style: normal;
  font-size: 13px;
  transition: transform .65s cubic-bezier(.2,.75,.25,1);
}

.search-box:focus-within .search-action i {
  transform: translate(2px, -2px);
}

.hot-searches {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  color: rgba(255,255,255,.34);
  font-size: 10px;
}

.hot-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 2px;
}

.hot-label i {
  width: 13px;
  height: 1px;
  background: linear-gradient(90deg, #7960e8, #5fc5ce);
}

.hot-searches button {
  padding: 5px 9px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 999px;
  color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.06);
  box-shadow: inset 0 1px rgba(255,255,255,.08);
  cursor: pointer;
  transition: color .65s ease, border-color .65s ease, background .65s ease, transform .65s cubic-bezier(.2,.75,.25,1);
}

.hot-searches button:hover {
  color: #fff;
  border-color: rgba(151,129,255,.28);
  background: rgba(255,255,255,.12);
  transform: translateY(-2px);
}

.hero-showcase {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  justify-self: end;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.26);
  border-radius: 25px;
  background: linear-gradient(145deg, rgba(255,255,255,.47), rgba(247,242,255,.27) 56%, rgba(225,249,250,.36));
  box-shadow: 0 28px 70px rgba(63,45,120,.13), inset 0 1px rgba(255,255,255,.72);
  backdrop-filter: blur(22px) saturate(130%);
  animation: showcase-enter 1.5s .8s cubic-bezier(.16,.75,.25,1) both, showcase-float 8s 2.3s ease-in-out infinite;
}

.hero-showcase::before {
  content: "";
  position: absolute;
  width: 210px;
  height: 210px;
  right: -84px;
  top: -105px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(126,93,245,.2), rgba(82,194,204,.18));
  filter: blur(2px);
}

.showcase-top,
.showcase-foot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.showcase-top {
  color: rgba(54,47,73,.46);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .2em;
}

.showcase-top i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #69d8c4;
  box-shadow: 0 0 0 5px rgba(105,216,196,.12), 0 0 18px rgba(76,198,180,.34);
}

.showcase-title {
  position: relative;
  display: block;
  margin: 22px 0;
  color: #282137;
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: -.045em;
}

.showcase-title em {
  color: transparent;
  background: linear-gradient(95deg, #7458df, #56aebe);
  background-clip: text;
  font-style: normal;
}

.showcase-stats {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.showcase-stats > span {
  min-height: 62px;
  padding: 13px 14px;
  display: flex;
  align-items: baseline;
  gap: 7px;
  border: 1px solid rgba(110,88,173,.1);
  border-radius: 14px;
  background: rgba(255,255,255,.5);
  box-shadow: inset 0 1px rgba(255,255,255,.72);
}

.showcase-stats strong {
  color: #5f49c6;
  font: 24px Georgia, serif;
}

.showcase-stats small {
  color: rgba(54,47,73,.5);
  font-size: 9px;
}

.showcase-foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(87,69,143,.1);
  color: rgba(54,47,73,.46);
  font-size: 9px;
}

.showcase-foot span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.showcase-foot span i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #7a61e6;
}

.showcase-foot b {
  font-weight: 600;
  letter-spacing: .18em;
}

.hero-index {
  position: absolute;
  right: max(20px, calc((100% - 1740px) / 2));
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.3);
  font-size: 9px;
  letter-spacing: .2em;
  writing-mode: vertical-rl;
  animation: fade-in 2s 1.3s both;
}

.hero-index span:first-child {
  color: rgba(255,255,255,.75);
  font-size: 15px;
}

.hero-index i {
  width: 1px;
  height: 38px;
  background: linear-gradient(to bottom, #8068ff, rgba(255,255,255,.1));
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  animation: reveal-up 1.4s cubic-bezier(.16,.75,.25,1) forwards;
}

.reveal-one { animation-delay: .2s; }
.reveal-two { animation-delay: .38s; }
.reveal-three { animation-delay: .62s; }
.reveal-four { animation-delay: .82s; }

.tutorial-section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 52px 0 118px;
  scroll-margin-top: 70px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 30px;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 13px;
  color: #7b6bd0;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .22em;
}

.section-kicker i {
  width: 20px;
  height: 1px;
  background: #7b6bd0;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 50px);
  letter-spacing: -.055em;
  line-height: 1;
}

.section-heading p {
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.tutorial-count {
  display: flex;
  align-items: baseline;
  gap: 9px;
  color: #8a8794;
}

.tutorial-count strong {
  font-family: Georgia, serif;
  color: #242232;
  font-size: 30px;
  font-weight: 400;
}

.tutorial-count span {
  font-size: 11px;
}

.category-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding-bottom: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}

.category-bar::-webkit-scrollbar {
  display: none;
}

.category-bar button {
  flex: 0 0 auto;
  padding: 11px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #777383;
  background: rgba(255,255,255,.64);
  cursor: pointer;
  font-size: 12px;
  transition: color .7s ease, background .7s ease, border-color .7s ease, transform .7s cubic-bezier(.2,.75,.25,1), box-shadow .7s ease;
}

.category-bar button:hover {
  transform: translateY(-2px);
  color: #4e3bc0;
  border-color: rgba(112,87,245,.25);
}

.category-bar button.active {
  color: #fff;
  border-color: #6650df;
  background: linear-gradient(135deg, #7c63f1, #5841cf);
  box-shadow: 0 12px 26px rgba(91,66,208,.18);
}

.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.tutorial-card {
  position: relative;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(24,20,46,.08);
  border-radius: 23px;
  color: inherit;
  background: rgba(255,255,255,.78);
  box-shadow: 0 12px 34px rgba(32,24,67,.045);
  text-align: left;
  cursor: pointer;
  opacity: 0;
  transform: translateY(26px) scale(.985);
  animation: card-enter 1.1s cubic-bezier(.16,.75,.25,1) var(--delay) forwards;
  transition: transform .85s cubic-bezier(.16,.75,.25,1), border-color .85s ease, box-shadow .85s ease, background .85s ease;
}

.tutorial-card:hover {
  z-index: 2;
  transform: translateY(-10px) scale(1.012);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
  background: rgba(255,255,255,.96);
  box-shadow: 0 30px 70px rgba(39,29,81,.13);
}

.tutorial-card:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 42%, transparent);
  outline-offset: 3px;
}

.card-visual {
  position: relative;
  height: 172px;
  display: block;
  overflow: hidden;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 92%, #17132e), color-mix(in srgb, var(--accent) 44%, #17132e));
}

.card-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, rgba(255,255,255,.15), transparent 35%, rgba(0,0,0,.15));
}

.visual-number {
  position: absolute;
  z-index: 1;
  top: 17px;
  right: 19px;
  color: rgba(255,255,255,.35);
  font: 10px/1 Georgia, serif;
  letter-spacing: .15em;
}

.visual-ring {
  position: absolute;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 50%;
  transition: transform 1.4s cubic-bezier(.16,.75,.25,1);
}

.ring-large {
  width: 170px;
  height: 170px;
  right: -60px;
  top: -62px;
}

.ring-small {
  width: 88px;
  height: 88px;
  left: -31px;
  bottom: -30px;
}

.tutorial-card:hover .ring-large {
  transform: translate(-11px, 9px) rotate(24deg) scale(1.08);
}

.tutorial-card:hover .ring-small {
  transform: translate(9px, -8px) scale(1.12);
}

.visual-icon {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px;
  color: #fff;
  background: rgba(255,255,255,.13);
  box-shadow: inset 0 1px rgba(255,255,255,.25), 0 20px 35px rgba(0,0,0,.13);
  backdrop-filter: blur(10px);
  font-size: 24px;
  font-weight: 650;
  transform: translate(-50%, -50%) rotate(-4deg);
  transition: transform 1.2s cubic-bezier(.16,.75,.25,1), background 1.2s ease;
}

.tutorial-card:hover .visual-icon {
  transform: translate(-50%, -50%) rotate(0deg) scale(1.08);
  background: rgba(255,255,255,.2);
}

.visual-tag {
  position: absolute;
  z-index: 2;
  left: 17px;
  bottom: 15px;
  padding: 6px 9px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px;
  color: rgba(255,255,255,.86);
  background: rgba(10,8,25,.14);
  backdrop-filter: blur(10px);
  font-size: 9px;
  letter-spacing: .08em;
}

.card-body {
  min-height: 224px;
  padding: 20px 19px 18px;
  display: flex;
  flex-direction: column;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #8c8797;
  font-size: 9px;
}

.card-meta i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
}

.card-body > strong {
  display: -webkit-box;
  margin-top: 13px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -.02em;
}

.card-description {
  display: -webkit-box;
  margin-top: 9px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: #888491;
  font-size: 11px;
  line-height: 1.75;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(20,18,40,.07);
  color: #aaa6b2;
  font-size: 9px;
}

.read-more {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #514767;
  font-size: 10px;
  transition: color .6s ease;
}

.read-more i {
  display: inline-block;
  color: var(--accent);
  font-size: 14px;
  font-style: normal;
  transition: transform .8s cubic-bezier(.16,.75,.25,1);
}

.tutorial-card:hover .read-more {
  color: var(--accent);
}

.tutorial-card:hover .read-more i {
  transform: translate(3px, -3px);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 54px;
}

.pagination button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #777383;
  background: rgba(255,255,255,.7);
  cursor: pointer;
  font-size: 11px;
  transition: transform .65s cubic-bezier(.2,.75,.25,1), color .65s ease, background .65s ease, box-shadow .65s ease;
}

.pagination button:hover:not(:disabled) {
  transform: translateY(-3px);
  color: #5d47d4;
  box-shadow: 0 12px 24px rgba(54,41,109,.1);
}

.pagination button.active {
  color: #fff;
  border-color: #624add;
  background: linear-gradient(135deg, #7b62f0, #543cc8);
  box-shadow: 0 12px 26px rgba(82,58,195,.23);
}

.pagination button:disabled {
  cursor: not-allowed;
  opacity: .35;
}

.page-arrow {
  margin: 0 7px;
}

.empty-state {
  padding: 82px 24px;
  border: 1px dashed rgba(40,32,75,.14);
  border-radius: 28px;
  background: rgba(255,255,255,.58);
  text-align: center;
}

.empty-state > span {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(145deg, #846bfa, #5740ce);
  font: 24px Georgia, serif;
}

.empty-state h3 { margin: 0; font-size: 20px; }
.empty-state p { margin: 10px 0 22px; color: var(--muted); font-size: 13px; }
.empty-state button { padding: 10px 16px; border: 0; border-radius: 10px; color: #fff; background: #6750db; cursor: pointer; }

.help-banner {
  position: relative;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto 82px;
  padding: 58px 64px;
  overflow: hidden;
  border-radius: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  background:
    radial-gradient(circle at 90% 10%, rgba(133,110,255,.34), transparent 34%),
    linear-gradient(135deg, #17132d, #0e0c1d);
  box-shadow: 0 34px 80px rgba(26,20,53,.16);
}

.help-banner::before,
.help-banner::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%;
}

.help-banner::before { width: 240px; height: 240px; right: -60px; top: -130px; }
.help-banner::after { width: 130px; height: 130px; right: 90px; bottom: -90px; }

.help-banner > div,
.help-banner > a {
  position: relative;
  z-index: 1;
}

.help-label {
  color: #9282f4;
  font-size: 9px;
  letter-spacing: .24em;
}

.help-banner h2 {
  margin: 11px 0 10px;
  font-size: clamp(25px, 3vw, 38px);
  letter-spacing: -.045em;
}

.help-banner p {
  margin: 0;
  color: rgba(255,255,255,.48);
  font-size: 13px;
}

.help-banner > a {
  flex: 0 0 auto;
  margin-left: 30px;
  padding: 15px 21px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 13px;
  background: rgba(255,255,255,.08);
  font-size: 12px;
  transition: transform .8s cubic-bezier(.2,.75,.25,1), background .8s ease;
}

.help-banner > a:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,.14);
}

.help-banner > a span { margin-left: 12px; color: #9e8cff; }

footer {
  width: min(1180px, calc(100% - 48px));
  min-height: 120px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 26px;
  color: #9a96a3;
  font-size: 11px;
}

.footer-brand { color: #24212f; }
.footer-brand .brand-mark { width: 34px; height: 34px; border-radius: 11px; }
.footer-brand .brand-mark span { font-size: 18px; }
.footer-brand .brand-copy strong { font-size: 14px; }
.footer-brand .brand-copy small { font-size: 7px; }
footer p { flex: 1; }

.footer-legal {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  text-align: right;
}

.footer-legal a {
  padding-left: 10px;
  border-left: 1px solid rgba(34,29,51,.12);
  color: #817b8c;
  transition: color .65s ease;
}

.footer-legal a:hover {
  color: #654fd4;
}

.modal-backdrop {
  position: fixed;
  z-index: 30;
  inset: 0;
  padding: 24px;
  display: grid;
  place-items: center;
  background: rgba(8,6,19,.72);
  backdrop-filter: blur(16px);
  animation: backdrop-in .65s ease both;
}

.tutorial-modal {
  position: relative;
  width: min(600px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  overflow: auto;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 28px;
  background: #fbfaff;
  box-shadow: 0 45px 120px rgba(0,0,0,.38);
  animation: modal-in .85s cubic-bezier(.16,.75,.25,1) both;
}

.modal-close {
  position: absolute;
  z-index: 2;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 12px;
  color: #fff;
  background: rgba(10,8,25,.18);
  backdrop-filter: blur(12px);
  cursor: pointer;
  font-size: 23px;
  line-height: 1;
  transition: transform .7s cubic-bezier(.2,.75,.25,1), background .7s ease;
}

.modal-close:hover { transform: rotate(90deg); background: rgba(10,8,25,.3); }

.modal-top {
  position: relative;
  min-height: 190px;
  padding: 32px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  color: rgba(255,255,255,.8);
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 90%, #151129), color-mix(in srgb, var(--accent) 40%, #151129));
  font-size: 11px;
}

.modal-top::before {
  content: "";
  position: absolute;
  width: 290px;
  height: 290px;
  right: -80px;
  top: -145px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
}

.modal-icon {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 22px;
  background: rgba(255,255,255,.13);
  box-shadow: inset 0 1px rgba(255,255,255,.28), 0 25px 45px rgba(0,0,0,.14);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 28px;
  font-weight: 700;
}

.modal-content { padding: 36px 38px 40px; }
.modal-kicker { color: #7764dd; font-size: 9px; font-weight: 700; letter-spacing: .18em; }
.modal-content h2 { margin: 12px 0 10px; font-size: 30px; line-height: 1.35; letter-spacing: -.04em; }
.modal-content > p { margin: 0; color: #777281; font-size: 13px; line-height: 1.8; }
.steps { margin-top: 28px; border-top: 1px solid var(--line); }
.step { padding: 18px 0; display: flex; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); }
.step > span { flex: 0 0 auto; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: #6d56df; background: #f0edff; font: 11px Georgia, serif; }
.step p { margin: 0; color: #373342; font-size: 13px; line-height: 1.65; }
.modal-note { margin-top: 24px; padding: 15px 17px; border: 1px solid #e9e4ff; border-radius: 13px; color: #716b7d; background: #f7f5ff; font-size: 11px; line-height: 1.7; }

@keyframes reveal-up { to { opacity: 1; transform: translateY(0); } }
@keyframes card-enter { to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes header-in { from { transform: translateY(-100%); } to { transform: translateY(0); } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes backdrop-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in { from { opacity: 0; transform: translateY(34px) scale(.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes orbit-spin { to { transform: rotate(360deg); } }
@keyframes ambient-float { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(8vw,6vh,0) scale(1.15); } }
@keyframes dot-pulse { 0%,100% { opacity: .6; } 50% { opacity: 1; box-shadow: 0 0 0 7px rgba(99,230,189,.05); } }
@keyframes title-glow { from { opacity: .45; transform: scaleX(.9); } to { opacity: .9; transform: scaleX(1.03); } }
@keyframes search-shine { 0%, 58% { left: -130px; opacity: 0; } 66% { opacity: .7; } 80%, 100% { left: calc(100% + 80px); opacity: 0; } }
@keyframes showcase-enter { from { opacity: 0; transform: translateY(26px) scale(.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes showcase-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

@media (max-width: 1100px) {
  .hero-content { display: block; }
  .hero-showcase { display: none; }
}

@media (max-width: 900px) {
  .tutorial-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .desktop-nav { display: none; }
  .hero { min-height: 520px; }
  .hero-showcase { display: none; }
  .help-banner { padding: 46px 40px; }
}

@media (max-width: 600px) {
  .header-inner { width: calc(100% - 28px); height: 66px; }
  .brand { gap: 9px; }
  .brand-mark { width: 34px; height: 34px; border-radius: 11px; }
  .brand-mark span { font-size: 18px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { font-size: 6px; }
  .support-link { padding: 9px 11px; font-size: 10px; }
  .support-dot { display: none; }
  .hero { min-height: 500px; padding: 96px 18px 40px; place-items: start center; }
  .hero-content { padding-top: 0; }
  .eyebrow { gap: 6px; margin-bottom: 14px; font-size: 7px; }
  .eyebrow-brand { padding: 0 8px; }
  .eyebrow-status { gap: 5px; padding: 0 8px; }
  .hero h1 { font-size: clamp(37px, 11.5vw, 48px); line-height: 1.12; }
  .hero-description { margin: 18px 0 20px; font-size: 12px; line-height: 1.75; }
  .desktop-break { display: none; }
  .search-box { height: 52px; padding-left: 18px; border-radius: 15px; }
  .search-box input { font-size: 12px; }
  .search-action { min-width: 54px; min-height: 36px; padding: 0 9px; font-size: 10px; }
  .search-action i { display: none; }
  .hot-searches { gap: 5px; overflow: hidden; white-space: nowrap; font-size: 8px; }
  .hot-searches button { padding: 5px 7px; font-size: 8px; }
  .hero-index { display: none; }
  .orbit-one { width: 390px; height: 390px; right: -245px; top: 18%; }
  .tutorial-section { width: calc(100% - 28px); padding: 46px 0 82px; }
  .section-heading { align-items: flex-end; margin-bottom: 30px; }
  .section-heading h2 { font-size: 34px; }
  .section-heading p { margin-top: 11px; font-size: 11px; }
  .section-kicker { font-size: 7px; }
  .tutorial-count strong { font-size: 24px; }
  .tutorial-count span { display: none; }
  .category-bar { margin: 0 -14px 22px; padding: 0 14px 2px; }
  .category-bar button { padding: 9px 13px; font-size: 10px; }
  .tutorial-grid { gap: 10px; }
  .tutorial-card { border-radius: 16px; }
  .tutorial-card:hover { transform: translateY(-4px); }
  .card-visual { height: 112px; }
  .ring-large { width: 120px; height: 120px; right: -54px; top: -52px; }
  .ring-small { width: 60px; height: 60px; }
  .visual-number { top: 11px; right: 11px; font-size: 7px; }
  .visual-icon { width: 48px; height: 48px; border-radius: 15px; font-size: 19px; }
  .visual-tag { left: 9px; bottom: 9px; padding: 4px 6px; border-radius: 6px; font-size: 7px; }
  .card-body { min-height: 188px; padding: 14px 12px 12px; }
  .card-meta { gap: 5px; font-size: 7px; }
  .card-body > strong { margin-top: 9px; font-size: 13px; line-height: 1.5; }
  .card-description { margin-top: 6px; font-size: 9px; line-height: 1.65; }
  .card-footer { padding-top: 11px; font-size: 7px; }
  .read-more { font-size: 8px; }
  .read-more i { font-size: 11px; }
  .pagination { margin-top: 36px; gap: 5px; }
  .pagination button { width: 36px; height: 36px; border-radius: 10px; font-size: 9px; }
  .page-arrow { margin: 0 3px; }
  .help-banner { width: calc(100% - 28px); margin-bottom: 52px; padding: 36px 26px; border-radius: 24px; display: block; }
  .help-banner h2 { font-size: 25px; }
  .help-banner p { font-size: 11px; line-height: 1.7; }
  .help-banner > a { display: inline-block; margin: 24px 0 0; padding: 12px 16px; }
  footer { width: calc(100% - 28px); min-height: 160px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 13px; }
  footer p { flex: 0; margin: 0; }
  .footer-legal { justify-content: flex-start; gap: 7px; text-align: left; font-size: 9px; }
  .footer-legal a { padding-left: 7px; }
  .modal-backdrop { padding: 12px; }
  .tutorial-modal { max-height: calc(100vh - 24px); border-radius: 22px; }
  .modal-top { min-height: 145px; padding: 24px; }
  .modal-icon { width: 60px; height: 60px; border-radius: 18px; font-size: 23px; }
  .modal-content { padding: 27px 23px 30px; }
  .modal-content h2 { font-size: 23px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* 独立教程详情页 */
.detail-page {
  --accent: #7657ff;
  overflow: clip;
  background: linear-gradient(180deg, rgba(247,246,250,.48), rgba(247,246,250,.78) 55%, rgba(247,246,250,.7));
}

.detail-header {
  background: rgba(11, 9, 25, .72);
}

.detail-header .support-link > span:first-child {
  color: #a898ff;
  font-size: 15px;
  transition: transform .7s cubic-bezier(.2,.75,.25,1);
}

.detail-header .support-link:hover > span:first-child {
  transform: translateX(-3px);
}

.detail-hero {
  position: relative;
  isolation: isolate;
  min-height: 570px;
  padding: 154px 24px 86px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 82% 22%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 28%),
    linear-gradient(135deg, rgba(12,10,29,.91) 0%, rgba(22,17,46,.89) 50%, rgba(10,9,23,.92) 100%);
  backdrop-filter: blur(1px);
}

.detail-grid {
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(to bottom, #000 30%, transparent 100%);
}

.detail-glow {
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 520px;
  right: -190px;
  top: 20px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: 50%;
  animation: orbit-spin 38s linear infinite;
}

.detail-glow::before,
.detail-glow::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 50%;
}

.detail-glow::before {
  inset: 62px;
}

.detail-glow::after {
  inset: 142px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  box-shadow: 0 0 100px color-mix(in srgb, var(--accent) 20%, transparent);
}

.detail-hero-inner {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.detail-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 48px;
  color: rgba(255,255,255,.38);
  font-size: 10px;
}

.detail-breadcrumb a {
  transition: color .6s ease;
}

.detail-breadcrumb a:hover {
  color: #fff;
}

.detail-breadcrumb em {
  color: color-mix(in srgb, var(--accent) 62%, white);
  font-family: Georgia, serif;
  font-style: normal;
}

.detail-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 60px;
}

.detail-title-copy {
  min-width: 0;
}

.detail-category {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 17px;
  color: color-mix(in srgb, var(--accent) 45%, white);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: .12em;
}

.detail-category i {
  width: 22px;
  height: 1px;
  background: currentColor;
}

.detail-title-copy h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(43px, 5.1vw, 70px);
  line-height: 1.17;
  letter-spacing: -.055em;
}

.detail-title-copy > p {
  margin: 22px 0 0;
  color: rgba(255,255,255,.5);
  font-size: 15px;
  line-height: 1.8;
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  color: rgba(255,255,255,.35);
  font-size: 9px;
}

.detail-meta i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
}

.detail-emblem {
  position: relative;
  flex: 0 0 auto;
  width: 150px;
  height: 150px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 42px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 42%, transparent), rgba(255,255,255,.045));
  box-shadow: inset 0 1px rgba(255,255,255,.2), 0 38px 70px rgba(0,0,0,.25);
  backdrop-filter: blur(18px);
  transform: rotate(-4deg);
}

.detail-emblem::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 34px;
}

.detail-emblem > span {
  color: #fff;
  font-size: 50px;
  font-weight: 700;
  transform: rotate(4deg);
}

.detail-emblem small {
  position: absolute;
  right: 20px;
  bottom: 17px;
  color: rgba(255,255,255,.35);
  font: 10px Georgia, serif;
  letter-spacing: .16em;
}

.detail-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 84px 0 80px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: start;
  gap: 58px;
}

.article-content {
  min-width: 0;
  padding: 54px 58px 60px;
  border: 1px solid rgba(25,20,48,.075);
  border-radius: 30px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 25px 70px rgba(34,25,72,.055);
  animation: article-rise 1.25s cubic-bezier(.16,.75,.25,1) both;
}

.article-lead > span,
.aside-label {
  color: color-mix(in srgb, var(--accent) 82%, #3e2ab0);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .2em;
}

.article-lead > p {
  margin: 17px 0 0;
  color: #4c4856;
  font-size: 16px;
  line-height: 2;
}

.article-official-link {
  position: relative;
  margin-top: 26px;
  padding: 19px 20px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  border-radius: 18px;
  color: #373241;
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--accent) 7%, white), rgba(255,255,255,.92) 62%),
    white;
  box-shadow: 0 15px 38px color-mix(in srgb, var(--accent) 8%, transparent);
  transition: transform .8s cubic-bezier(.16,.75,.25,1), border-color .8s ease, box-shadow .8s ease;
}

.article-official-link::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  right: -64px;
  top: -76px;
  border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
  border-radius: 50%;
}

.article-official-link:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 34%, transparent);
  box-shadow: 0 22px 48px color-mix(in srgb, var(--accent) 13%, transparent);
}

.official-link-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 78%, white), var(--accent));
  box-shadow: 0 11px 24px color-mix(in srgb, var(--accent) 20%, transparent);
  font-size: 16px;
}

.article-official-link > span:nth-child(2) {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.article-official-link small {
  color: var(--accent);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: .17em;
}

.article-official-link strong {
  font-size: 14px;
}

.article-official-link em {
  overflow: hidden;
  color: #8a8490;
  font-size: 10px;
  font-style: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-official-link > i {
  position: relative;
  z-index: 1;
  padding: 9px 12px;
  border-radius: 10px;
  color: color-mix(in srgb, var(--accent) 80%, #2b2440);
  background: rgba(255,255,255,.72);
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}

.article-divider {
  margin: 42px 0 8px;
  display: flex;
  align-items: center;
  gap: 18px;
  color: #9995a1;
  font-size: 10px;
}

.article-divider i {
  height: 1px;
  flex: 1;
  background: rgba(25,20,48,.08);
}

.article-step {
  padding: 42px 0 50px;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 22px;
  border-bottom: 1px solid rgba(25,20,48,.075);
  scroll-margin-top: 105px;
}

.step-index {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 13px;
}

.step-index > span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  border-radius: 14px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, white);
  font: 12px Georgia, serif;
}

.step-index i {
  width: 1px;
  height: 42px;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--accent) 30%, transparent), transparent);
}

.article-step small {
  color: var(--accent);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .18em;
}

.article-step h2 {
  margin: 8px 0 12px;
  color: #1a1722;
  font-size: 25px;
  letter-spacing: -.035em;
}

.article-step > div:last-child > p {
  margin: 0;
  color: #66616f;
  font-size: 14px;
  line-height: 1.95;
  white-space: pre-line;
}

.step-points {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: tutorial-point;
  list-style: none;
}

.step-points li {
  position: relative;
  min-height: 34px;
  padding: 7px 10px 7px 43px;
  display: flex;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 11px;
  color: #5e5966;
  background: color-mix(in srgb, var(--accent) 3%, white);
  font-size: 12px;
  line-height: 1.75;
  counter-increment: tutorial-point;
}

.step-points li::before {
  content: counter(tutorial-point);
  position: absolute;
  left: 9px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, white);
  font: 10px Georgia, serif;
}

.step-tip {
  margin-top: 14px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  border-left: 2px solid color-mix(in srgb, var(--accent) 62%, white);
  border-radius: 0 10px 10px 0;
  background: color-mix(in srgb, var(--accent) 4%, white);
}

.step-tip > span {
  flex: 0 0 auto;
  margin-top: 3px;
  color: var(--accent);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .12em;
}

.step-tip > p {
  margin: 0;
  color: #77717f;
  font-size: 11px;
  line-height: 1.75;
}

.step-related-link {
  margin-top: 14px;
  padding: 13px 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 5px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 12px;
  color: #4c4658;
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 6%, white), rgba(255,255,255,.9));
  transition: transform .7s cubic-bezier(.16,.75,.25,1), border-color .7s ease, box-shadow .7s ease;
}

.step-related-link:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  box-shadow: 0 14px 32px color-mix(in srgb, var(--accent) 9%, transparent);
}

.step-related-link > span {
  grid-column: 1;
  color: var(--accent);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .15em;
}

.step-related-link > strong {
  grid-column: 1;
  font-size: 11px;
  line-height: 1.55;
}

.step-related-link > i {
  grid-column: 2;
  grid-row: 1 / 3;
  color: color-mix(in srgb, var(--accent) 78%, #433a58);
  font-size: 9px;
  font-style: normal;
  font-weight: 700;
}

.article-notice {
  margin-top: 42px;
  padding: 20px 22px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, transparent);
  border-radius: 18px;
  background: color-mix(in srgb, var(--accent) 5%, white);
}

.article-notice > span {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #fff;
  background: var(--accent);
  font-family: Georgia, serif;
}

.article-notice strong {
  color: #373241;
  font-size: 12px;
}

.article-notice p {
  margin: 5px 0 0;
  color: #77717f;
  font-size: 11px;
  line-height: 1.75;
}

.detail-aside {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 18px;
  animation: aside-in 1.35s .16s cubic-bezier(.16,.75,.25,1) both;
}

.aside-card {
  padding: 25px 24px;
  border: 1px solid rgba(25,20,48,.075);
  border-radius: 22px;
  background: rgba(255,255,255,.72);
  box-shadow: 0 18px 48px rgba(34,25,72,.045);
}

.contents-card > a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 17px;
  color: #686370;
  font-size: 11px;
  line-height: 1.55;
  transition: color .6s ease, transform .7s cubic-bezier(.2,.75,.25,1);
}

.contents-card > a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.contents-card > a span {
  flex: 0 0 auto;
  color: var(--accent);
  font: 9px Georgia, serif;
}

.aside-help {
  color: #fff;
  background:
    radial-gradient(circle at 90% 5%, color-mix(in srgb, var(--accent) 32%, transparent), transparent 38%),
    linear-gradient(145deg, #17132d, #0e0c1d);
}

.aside-help .aside-label {
  color: color-mix(in srgb, var(--accent) 50%, white);
}

.aside-help p {
  margin: 13px 0 18px;
  color: rgba(255,255,255,.48);
  font-size: 11px;
  line-height: 1.75;
}

.aside-help > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 13px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 11px;
  background: rgba(255,255,255,.07);
  font-size: 10px;
  transition: background .6s ease;
}

.aside-help > a:hover {
  background: rgba(255,255,255,.13);
}

.aside-help > a span {
  color: color-mix(in srgb, var(--accent) 50%, white);
  font-size: 14px;
}

.article-navigation {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.article-nav-card {
  min-height: 130px;
  padding: 25px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(25,20,48,.075);
  border-radius: 22px;
  background: rgba(255,255,255,.72);
  transition: transform .8s cubic-bezier(.16,.75,.25,1), border-color .8s ease, box-shadow .8s ease;
}

.article-nav-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 24%, transparent);
  box-shadow: 0 20px 50px rgba(36,27,76,.09);
}

.article-nav-card > span {
  margin-bottom: 9px;
  color: var(--accent);
  font-size: 9px;
}

.article-nav-card > strong {
  color: #302c38;
  font-size: 15px;
  line-height: 1.55;
}

.article-nav-card.next {
  text-align: right;
}

.detail-footer {
  width: min(1180px, calc(100% - 48px));
}

@keyframes article-rise {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes aside-in {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 900px) {
  .detail-title-row { align-items: center; }
  .detail-emblem { width: 120px; height: 120px; border-radius: 34px; }
  .detail-emblem > span { font-size: 40px; }
  .detail-shell { grid-template-columns: 1fr; gap: 28px; }
  .detail-aside { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .detail-hero { min-height: 520px; padding: 118px 18px 66px; }
  .detail-breadcrumb { margin-bottom: 35px; overflow: hidden; white-space: nowrap; font-size: 8px; }
  .detail-title-row { display: block; }
  .detail-title-copy h1 { font-size: 39px; line-height: 1.2; }
  .detail-title-copy > p { margin-top: 17px; font-size: 12px; }
  .detail-meta { flex-wrap: wrap; gap: 8px; margin-top: 21px; font-size: 8px; }
  .detail-emblem { display: none; }
  .detail-glow { width: 360px; height: 360px; right: -230px; top: 60px; }
  .detail-shell { width: calc(100% - 28px); padding: 50px 0 54px; }
  .article-content { padding: 32px 20px 34px; border-radius: 22px; }
  .article-lead > p { margin-top: 13px; font-size: 13px; line-height: 1.9; }
  .article-divider { margin-top: 32px; }
  .article-step { padding: 32px 0 38px; grid-template-columns: 38px minmax(0, 1fr); gap: 13px; }
  .step-index > span { width: 36px; height: 36px; border-radius: 11px; font-size: 10px; }
  .step-index i { height: 32px; }
  .article-step h2 { font-size: 20px; }
  .article-step > div:last-child > p { font-size: 12px; line-height: 1.85; }
  .article-notice { margin-top: 32px; padding: 17px; }
  .detail-aside { grid-template-columns: 1fr; }
  .article-navigation { width: calc(100% - 28px); margin-bottom: 55px; grid-template-columns: 1fr; }
  .article-nav-card { min-height: 105px; padding: 20px; }
  .article-nav-card.next { text-align: left; }
  .article-nav-spacer { display: none; }
}

/* 白色多彩渐变主题 */
.site-header,
.detail-header {
  color: #28233a;
  border-bottom-color: rgba(91, 72, 154, .1);
  background:
    linear-gradient(100deg, rgba(255,255,255,.91), rgba(247,243,255,.87) 52%, rgba(235,250,252,.87));
  box-shadow: 0 12px 36px rgba(54, 43, 95, .07);
  backdrop-filter: blur(24px) saturate(150%);
}

.desktop-nav {
  color: rgba(43, 37, 61, .54);
}

.desktop-nav a::after {
  background: linear-gradient(90deg, #765cff, #5bbfd1);
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: #513db8;
}

.support-link {
  color: #524768;
  border-color: rgba(107, 84, 188, .14);
  background: rgba(255,255,255,.52);
  box-shadow: inset 0 1px rgba(255,255,255,.8);
}

.support-link:hover {
  color: #513db8;
  border-color: rgba(107, 84, 188, .28);
  background: rgba(255,255,255,.82);
  box-shadow: 0 12px 28px rgba(85, 66, 151, .09);
}

.hero {
  color: #211c32;
  background:
    radial-gradient(circle at 80% 18%, rgba(142,121,255,.24), transparent 28%),
    radial-gradient(circle at 14% 72%, rgba(98,206,214,.19), transparent 28%),
    radial-gradient(circle at 55% 48%, rgba(255,174,211,.13), transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,.88), rgba(243,239,255,.79) 50%, rgba(230,249,250,.8));
  backdrop-filter: blur(4px) saturate(118%);
}

.hero::before {
  background: linear-gradient(145deg, rgba(137,110,255,.17), rgba(96,205,210,.16));
}

.hero-grid {
  opacity: .46;
  background-image:
    linear-gradient(rgba(91,70,166,.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,70,166,.075) 1px, transparent 1px);
}

.hero-orbit {
  border-color: rgba(111,88,197,.16);
}

.hero-orbit::before {
  background: linear-gradient(135deg, #8066f5, #63cbd2);
  box-shadow: 0 0 25px rgba(118,92,245,.35);
}

.eyebrow {
  color: rgba(54,47,73,.52);
}

.eyebrow-brand,
.eyebrow-status {
  border-color: rgba(104,80,182,.12);
  background: linear-gradient(120deg, rgba(255,255,255,.62), rgba(243,239,255,.48), rgba(233,250,251,.46));
  box-shadow: inset 0 1px rgba(255,255,255,.78), 0 7px 20px rgba(65,48,117,.04);
}

.eyebrow-brand {
  color: rgba(54,47,73,.66);
}

.hero h1 {
  color: #201a31;
}

.hero h1 span {
  background: linear-gradient(100deg, #6c51de 4%, #7664ed 38%, #55aeca 72%, #d47ba6 112%);
  background-clip: text;
}

.hero-description {
  color: rgba(47,41,62,.63);
}

.search-box {
  border-color: rgba(114,89,193,.15);
  background: linear-gradient(105deg, rgba(255,255,255,.72), rgba(250,247,255,.61), rgba(239,252,253,.62));
  box-shadow: 0 26px 65px rgba(66, 48, 122, .1), inset 0 1px rgba(255,255,255,.95);
}

.search-box:focus-within {
  border-color: rgba(112,83,212,.4);
  background: rgba(255,255,255,.87);
  box-shadow: 0 28px 72px rgba(66,48,122,.14), 0 0 0 5px rgba(124,92,255,.07);
}

.search-icon {
  border-color: rgba(67,56,91,.62);
}

.search-icon::after {
  background: rgba(67,56,91,.62);
}

.search-box input {
  color: #272132;
}

.search-box input::placeholder {
  color: rgba(58,50,72,.42);
}

.search-box kbd {
  color: #635676;
  border-color: rgba(106,86,169,.12);
  background: linear-gradient(135deg, rgba(238,232,255,.7), rgba(230,249,250,.7));
}

.hot-searches {
  color: rgba(54,47,70,.42);
}

.hot-searches button {
  color: rgba(63,53,80,.58);
}

.hot-searches button:hover {
  color: #624bd0;
}

.hero-index {
  color: rgba(48,41,63,.35);
}

.hero-index span:first-child {
  color: rgba(47,39,67,.68);
}

.hero-index i {
  background: linear-gradient(to bottom, #7960e8, rgba(88,190,202,.2));
}

.category-bar button.active {
  color: #513cae;
  border-color: rgba(112,87,219,.22);
  background: linear-gradient(120deg, rgba(255,255,255,.96), rgba(236,230,255,.95) 52%, rgba(222,247,249,.94));
  box-shadow: 0 12px 28px rgba(83,65,152,.12), inset 0 1px #fff;
}

.tutorial-card {
  background: linear-gradient(145deg, rgba(255,255,255,.88), rgba(250,248,255,.8), rgba(242,252,252,.78));
}

.tutorial-card:hover {
  background: rgba(255,255,255,.96);
}

.card-visual {
  background:
    radial-gradient(circle at 78% 20%, rgba(255,255,255,.72), transparent 30%),
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 12%, white), color-mix(in srgb, var(--accent) 42%, white));
}

.card-visual::after {
  background: linear-gradient(125deg, rgba(255,255,255,.42), transparent 40%, color-mix(in srgb, var(--accent) 11%, transparent));
}

.visual-number {
  color: color-mix(in srgb, var(--accent) 48%, #5b5365);
}

.visual-ring {
  border-color: rgba(255,255,255,.66);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 9%, transparent);
}

.visual-icon {
  color: color-mix(in srgb, var(--accent) 74%, #3f3555);
  border-color: rgba(255,255,255,.68);
  background: rgba(255,255,255,.53);
  box-shadow: inset 0 1px rgba(255,255,255,.95), 0 18px 34px color-mix(in srgb, var(--accent) 14%, transparent);
}

.tutorial-card:hover .visual-icon {
  background: rgba(255,255,255,.76);
}

.visual-tag {
  color: color-mix(in srgb, var(--accent) 68%, #443b53);
  border-color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.48);
}

.help-banner {
  color: #28213a;
  border: 1px solid rgba(104,81,181,.1);
  background:
    radial-gradient(circle at 90% 10%, rgba(139,113,247,.22), transparent 34%),
    radial-gradient(circle at 62% 80%, rgba(92,201,210,.2), transparent 35%),
    linear-gradient(135deg, rgba(255,255,255,.94), rgba(240,234,255,.92) 55%, rgba(226,249,249,.91));
  box-shadow: 0 34px 80px rgba(55,42,100,.12), inset 0 1px rgba(255,255,255,.95);
}

.help-banner::before,
.help-banner::after {
  border-color: rgba(105,81,189,.1);
}

.help-label {
  color: #735bd3;
}

.help-banner p {
  color: rgba(52,44,67,.56);
}

.help-banner > a {
  color: #514268;
  border-color: rgba(107,84,180,.14);
  background: rgba(255,255,255,.57);
  box-shadow: inset 0 1px rgba(255,255,255,.9);
}

.help-banner > a:hover {
  color: #6048c5;
  background: rgba(255,255,255,.88);
  box-shadow: 0 14px 30px rgba(77,59,141,.1);
}

.help-banner > a span {
  color: #765bdc;
}

.detail-hero {
  color: #211c32;
  background:
    radial-gradient(circle at 82% 22%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 30%),
    radial-gradient(circle at 18% 78%, rgba(95,200,210,.17), transparent 28%),
    linear-gradient(135deg, rgba(255,255,255,.9), rgba(242,237,255,.82) 50%, rgba(229,249,250,.82));
  backdrop-filter: blur(4px) saturate(118%);
}

.detail-grid {
  opacity: .42;
  background-image:
    linear-gradient(rgba(91,70,166,.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,70,166,.075) 1px, transparent 1px);
}

.detail-glow {
  border-color: color-mix(in srgb, var(--accent) 18%, transparent);
}

.detail-glow::before,
.detail-glow::after {
  border-color: rgba(102,80,179,.09);
}

.detail-breadcrumb {
  color: rgba(54,47,71,.46);
}

.detail-breadcrumb a:hover {
  color: #5e48c5;
}

.detail-breadcrumb em {
  color: color-mix(in srgb, var(--accent) 65%, #4b3a81);
}

.detail-category {
  color: color-mix(in srgb, var(--accent) 68%, #514463);
}

.detail-title-copy h1 {
  color: #211b31;
}

.detail-title-copy > p {
  color: rgba(49,42,63,.6);
}

.detail-meta {
  color: rgba(54,47,70,.43);
}

.detail-emblem {
  border-color: rgba(255,255,255,.72);
  background:
    radial-gradient(circle at 80% 18%, rgba(255,255,255,.78), transparent 32%),
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 12%, white), color-mix(in srgb, var(--accent) 42%, white));
  box-shadow: inset 0 1px rgba(255,255,255,.95), 0 30px 65px color-mix(in srgb, var(--accent) 14%, transparent);
}

.detail-emblem::before {
  border-color: rgba(255,255,255,.6);
}

.detail-emblem > span {
  color: color-mix(in srgb, var(--accent) 75%, #403250);
}

.detail-emblem small {
  color: color-mix(in srgb, var(--accent) 48%, #5f576b);
}

.aside-help {
  color: #28213a;
  border-color: rgba(105,82,180,.11);
  background:
    radial-gradient(circle at 90% 5%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 38%),
    linear-gradient(145deg, rgba(255,255,255,.94), rgba(239,234,255,.92), rgba(228,249,250,.9));
}

.aside-help .aside-label {
  color: color-mix(in srgb, var(--accent) 70%, #514266);
}

.aside-help p {
  color: rgba(52,44,67,.56);
}

.aside-help > a {
  color: #514268;
  border-color: rgba(105,82,180,.12);
  background: rgba(255,255,255,.56);
}

.aside-help > a:hover {
  color: #6048c5;
  background: rgba(255,255,255,.88);
}

.aside-help > a span {
  color: color-mix(in srgb, var(--accent) 72%, #563f9b);
}

/* 文章内配图与首页首图共用 */
.article-cover-preview {
  position: absolute;
  z-index: 2;
  inset: 15px 16px 17px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 16px;
  background: rgba(255,255,255,.45);
  box-shadow: 0 15px 32px color-mix(in srgb, var(--accent) 12%, transparent), inset 0 1px rgba(255,255,255,.9);
  backdrop-filter: blur(9px);
  transition: transform 1s cubic-bezier(.16,.75,.25,1), background 1s ease;
}

.tutorial-card:hover .article-cover-preview {
  transform: translateY(-3px) scale(1.018);
  background: rgba(255,255,255,.58);
}

.cover-toolbar {
  height: 27px;
  padding: 0 9px;
  display: flex;
  align-items: center;
  gap: 4px;
  border-bottom: 1px solid rgba(79,63,128,.08);
  background: rgba(255,255,255,.28);
}

.cover-toolbar i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 38%, white);
}

.cover-toolbar i:nth-child(2) {
  background: color-mix(in srgb, var(--accent) 58%, white);
}

.cover-toolbar i:nth-child(3) {
  background: color-mix(in srgb, var(--accent) 78%, white);
}

.cover-toolbar em {
  margin-left: auto;
  color: color-mix(in srgb, var(--accent) 68%, #494051);
  font-size: 6px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: .13em;
}

.cover-preview-body {
  position: relative;
  min-height: 0;
  flex: 1;
  padding: 12px 13px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.cover-preview-body small {
  margin-bottom: 5px;
  color: color-mix(in srgb, var(--accent) 64%, #5e5667);
  font-size: 5px;
  font-weight: 700;
  letter-spacing: .16em;
}

.cover-preview-body strong {
  position: relative;
  z-index: 1;
  width: 78%;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: color-mix(in srgb, var(--accent) 66%, #30283b);
  font-size: 13px;
  line-height: 1.42;
  letter-spacing: -.02em;
}

.cover-preview-body b {
  position: absolute;
  right: 11px;
  bottom: 9px;
  color: color-mix(in srgb, var(--accent) 22%, white);
  text-shadow: 0 1px rgba(255,255,255,.9);
  font-size: 39px;
  line-height: 1;
}

.cover-photo {
  position: absolute;
  z-index: 1;
  inset: 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  transition: transform 1.25s cubic-bezier(.16,.75,.25,1), filter 1.25s ease;
}

.has-cover-image::after {
  z-index: 2;
  background: linear-gradient(180deg, rgba(22,17,40,.02), rgba(22,17,40,.2));
}

.tutorial-card:hover .cover-photo {
  transform: scale(1.055);
  filter: saturate(1.06);
}

.card-visual .visual-number {
  z-index: 5;
}

.card-visual .visual-tag {
  z-index: 5;
}

.step-article-image {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(81,63,135,.1);
  border-radius: 21px;
  background-color: #f2eff9;
  box-shadow: 0 18px 45px rgba(51,39,94,.08);
}

.step-image-gallery {
  margin-top: 25px;
  display: grid;
  gap: 18px;
}

.step-image-gallery.multiple {
  gap: 22px;
}

.step-image-trigger {
  position: relative;
  width: 100%;
  padding: 0;
  overflow: hidden;
  display: block;
  border: 0;
  color: inherit;
  background: transparent;
  cursor: zoom-in;
}

.step-image-trigger img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 1s cubic-bezier(.16,.75,.25,1), filter 1s ease;
}

.step-image-trigger::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  transition: border-color .7s ease, background .7s ease;
  pointer-events: none;
}

.step-image-trigger:hover img {
  transform: scale(1.012);
  filter: saturate(1.04);
}

.step-image-trigger:hover::after {
  border-color: color-mix(in srgb, var(--accent) 32%, transparent);
  background: color-mix(in srgb, var(--accent) 2%, transparent);
}

.step-image-trigger:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, white);
  outline-offset: -3px;
}

.image-zoom-hint {
  position: absolute;
  right: 13px;
  bottom: 13px;
  padding: 8px 11px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255,255,255,.56);
  border-radius: 11px;
  color: #373241;
  background: rgba(255,255,255,.82);
  box-shadow: 0 10px 28px rgba(30,23,55,.14);
  backdrop-filter: blur(12px);
  font-size: 9px;
  font-weight: 700;
  transition: transform .7s cubic-bezier(.16,.75,.25,1), background .7s ease;
}

.image-zoom-hint i {
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  color: #fff;
  background: var(--accent);
  font-size: 11px;
  font-style: normal;
}

.step-image-trigger:hover .image-zoom-hint {
  transform: translateY(-3px);
  background: rgba(255,255,255,.94);
}

.image-lightbox {
  position: fixed;
  z-index: 9999;
  inset: 0;
  padding: 64px 30px 28px;
  display: grid;
  place-items: center;
  background: rgba(11,9,21,.86);
  backdrop-filter: blur(20px) saturate(.8);
  animation: lightbox-fade .35s ease both;
}

.image-lightbox-panel {
  width: min(1500px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 13px;
  animation: lightbox-rise .55s cubic-bezier(.16,.75,.25,1) both;
}

.image-lightbox-panel > img {
  max-width: 100%;
  max-height: calc(100vh - 126px);
  width: auto;
  height: auto;
  object-fit: contain;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 32px 100px rgba(0,0,0,.42);
}

.image-lightbox-close {
  position: absolute;
  z-index: 2;
  top: 18px;
  right: 22px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 12px;
  color: #fff;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: transform .55s cubic-bezier(.16,.75,.25,1), background .55s ease;
}

.image-lightbox-close span {
  font-size: 25px;
  font-weight: 300;
  line-height: 1;
  transform: translateY(-1px);
}

.image-lightbox-close:hover {
  transform: rotate(5deg) scale(1.06);
  background: rgba(255,255,255,.18);
}

.image-lightbox-close:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

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

@keyframes lightbox-rise {
  from { opacity: 0; transform: translateY(20px) scale(.975); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 600px) {
  .article-cover-preview { inset: 9px 9px 11px; border-radius: 11px; }
  .cover-toolbar { height: 20px; padding: 0 6px; }
  .cover-toolbar i { width: 3px; height: 3px; }
  .cover-toolbar em { font-size: 5px; }
  .cover-preview-body { padding: 7px 8px; }
  .cover-preview-body small { font-size: 4px; }
  .cover-preview-body strong { width: 82%; font-size: 9px; line-height: 1.35; }
  .cover-preview-body b { right: 6px; bottom: 6px; font-size: 27px; }
  .article-official-link { margin-top: 20px; padding: 14px; grid-template-columns: 39px minmax(0, 1fr); gap: 12px; border-radius: 15px; }
  .official-link-icon { width: 39px; height: 39px; border-radius: 12px; }
  .article-official-link > i { display: none; }
  .article-official-link strong { font-size: 12px; }
  .article-official-link em { font-size: 9px; }
  .step-points { gap: 8px; }
  .step-points li { padding: 7px 8px 7px 40px; font-size: 10px; line-height: 1.7; }
  .step-tip { padding: 10px 11px; gap: 8px; }
  .step-tip > p { font-size: 9px; }
  .step-related-link { padding: 11px; grid-template-columns: 1fr; gap: 4px; }
  .step-related-link > strong { font-size: 10px; }
  .step-related-link > i { grid-column: 1; grid-row: auto; margin-top: 2px; }
  .step-article-image { border-radius: 16px; }
  .image-zoom-hint { right: 8px; bottom: 8px; padding: 6px 8px; border-radius: 9px; font-size: 8px; }
  .image-zoom-hint i { width: 15px; height: 15px; border-radius: 5px; font-size: 9px; }
  .image-lightbox { padding: 58px 12px 20px; }
  .image-lightbox-panel > img { max-height: calc(100vh - 104px); border-radius: 10px; }
  .image-lightbox-close { top: 12px; right: 12px; width: 34px; height: 34px; border-radius: 10px; }
}

/* 教程正文透景层：只有承载文字与操作信息的区域保留轻薄磨砂底 */
.detail-page {
  background: transparent !important;
}

.detail-page .detail-shell,
.detail-page .article-content,
.detail-page .article-steps,
.detail-page .article-step {
  background: transparent !important;
}

.detail-page .article-content {
  padding: 0 !important;
  border-color: transparent !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

.article-lead {
  padding: 25px 28px 27px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255,255,255,.84), rgba(249,246,255,.78), rgba(237,250,251,.74));
  box-shadow: 0 16px 42px rgba(42,32,78,.075), inset 0 1px rgba(255,255,255,.9);
  backdrop-filter: blur(18px) saturate(116%);
}

.article-official-link {
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 6%, rgba(255,255,255,.8)), rgba(255,255,255,.77) 62%);
  box-shadow: 0 15px 38px color-mix(in srgb, var(--accent) 7%, transparent), inset 0 1px rgba(255,255,255,.72);
  backdrop-filter: blur(18px) saturate(116%);
}

.article-divider {
  margin-top: 50px;
}

.article-divider > span {
  padding: 7px 11px;
  border: 1px solid rgba(255,255,255,.46);
  border-radius: 999px;
  background: rgba(255,255,255,.7);
  box-shadow: inset 0 1px rgba(255,255,255,.7);
  backdrop-filter: blur(12px);
}

.article-divider i {
  background: linear-gradient(90deg, rgba(73,57,126,.13), transparent);
}

.article-step {
  border-bottom-color: rgba(45,34,81,.055);
}

.step-index > span {
  border-color: color-mix(in srgb, var(--accent) 20%, rgba(255,255,255,.38));
  background: rgba(255,255,255,.76);
  box-shadow: inset 0 1px rgba(255,255,255,.78), 0 9px 24px rgba(42,32,78,.045);
  backdrop-filter: blur(13px) saturate(125%);
}

.article-step > div:last-child > small,
.article-step h2,
.article-step > div:last-child > p {
  border: 1px solid rgba(255,255,255,.43);
  background: linear-gradient(120deg, rgba(255,255,255,.57), rgba(247,244,255,.43), rgba(235,249,251,.4));
  box-shadow: inset 0 1px rgba(255,255,255,.7), 0 9px 26px rgba(39,29,74,.035);
  backdrop-filter: blur(13px) saturate(128%);
}

.article-step > div:last-child > small {
  width: fit-content;
  padding: 5px 8px;
  display: block;
  border-radius: 8px;
}

.article-step h2 {
  width: fit-content;
  max-width: 100%;
  margin: 7px 0 10px;
  padding: 7px 11px;
  border-radius: 12px;
}

.article-step > div:last-child > p {
  width: fit-content;
  max-width: 100%;
  padding: 9px 12px;
  border-radius: 12px;
}

.step-points li,
.step-tip,
.step-related-link,
.article-notice,
.aside-card,
.article-nav-card {
  background: linear-gradient(120deg, rgba(255,255,255,.8), rgba(247,244,255,.73), rgba(235,249,251,.69));
  box-shadow: inset 0 1px rgba(255,255,255,.72), 0 12px 32px rgba(39,29,74,.04);
  backdrop-filter: blur(17px) saturate(116%);
}

.step-points li,
.step-tip,
.step-related-link {
  border-color: color-mix(in srgb, var(--accent) 12%, rgba(255,255,255,.4));
}

.step-points li::before {
  background: color-mix(in srgb, var(--accent) 8%, rgba(255,255,255,.68));
}

.article-notice {
  border-color: color-mix(in srgb, var(--accent) 17%, rgba(255,255,255,.42));
}

.aside-help {
  background:
    radial-gradient(circle at 90% 5%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 38%),
    linear-gradient(145deg, rgba(255,255,255,.62), rgba(239,234,255,.5), rgba(228,249,250,.47));
}

.article-nav-card {
  border-color: rgba(255,255,255,.5);
}

@media (max-width: 600px) {
  .article-content {
    padding: 0;
    border-radius: 0;
  }

  .article-lead {
    padding: 20px 18px 21px;
    border-radius: 18px;
  }

  .article-step > div:last-child > small {
    padding: 4px 7px;
  }

  .article-step h2 {
    padding: 6px 9px;
    border-radius: 10px;
  }

  .article-step > div:last-child > p {
    padding: 8px 9px;
    border-radius: 10px;
  }
}

/*
 * 文章步骤最终覆盖规则。
 * 这段固定放在主 style.css 的末尾，避免服务器漏传附加样式时把一个 STEP 拆成多个白框。
 * 每个 STEP 只有 step-content-card 一层磨砂底，标题、说明、列表、TIP 与关联教程在其中连续展示。
 */
body.static-page main.detail-page,
body.static-page main.detail-page .detail-shell,
body.static-page main.detail-page .article-content,
body.static-page main.detail-page .article-steps,
body.static-page main.detail-page .article-step {
  background: transparent !important;
}

body.static-page main.detail-page .article-content {
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

body.static-page main.detail-page .article-content::before,
body.static-page main.detail-page .article-content::after {
  display: none !important;
}

body.static-page .step-content-card {
  width: 100% !important;
  padding: 21px 23px 22px !important;
  border: 1px solid rgba(255,255,255,.74) !important;
  border-radius: 21px !important;
  background: linear-gradient(125deg, rgba(255,255,255,.86), rgba(249,246,255,.8), rgba(237,250,251,.76)) !important;
  box-shadow: inset 0 1px rgba(255,255,255,.92), 0 15px 36px rgba(39,29,74,.065) !important;
  backdrop-filter: blur(19px) saturate(114%) !important;
}

body.static-page .step-content-card > small,
body.static-page .article-step .step-content-card h2,
body.static-page .article-step .step-content-card > p,
body.static-page .step-content-card .step-points li,
body.static-page .step-content-card .step-tip,
body.static-page .step-content-card .step-related-link {
  border-right: 0 !important;
  border-bottom-color: rgba(58,45,94,.08) !important;
  border-left: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

body.static-page .step-content-card > small {
  display: block !important;
  width: auto !important;
  padding: 0 !important;
  border: 0 !important;
}

body.static-page .article-step .step-content-card h2 {
  width: auto !important;
  max-width: none !important;
  margin: 8px 0 10px !important;
  padding: 0 !important;
  border: 0 !important;
}

body.static-page .article-step .step-content-card > p {
  width: auto !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  color: #3f3a48 !important;
  font-size: 14px !important;
  line-height: 1.95 !important;
  white-space: pre-line;
}

body.static-page .step-content-card .step-points {
  margin-top: 15px !important;
  gap: 0 !important;
  border-top: 1px solid rgba(58,45,94,.09) !important;
}

body.static-page .step-content-card .step-points li {
  min-height: 43px !important;
  padding: 9px 0 9px 39px !important;
  border-top: 0 !important;
  border-bottom: 1px solid rgba(58,45,94,.08) !important;
  color: #494451 !important;
}

body.static-page .step-content-card .step-tip > p,
body.static-page .step-content-card .step-related-link > strong {
  color: #46414f !important;
}

.daily-key-panel {
  margin-top: 17px;
  padding-top: 17px;
  border-top: 1px solid color-mix(in srgb, var(--accent) 22%, rgba(58,45,94,.1));
}

.daily-key-heading {
  margin: 0;
  color: #302b38;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.7;
}

.daily-key-heading time {
  color: color-mix(in srgb, var(--accent) 82%, #243047);
}

.daily-key-value {
  min-height: 58px;
  margin: 11px 0 0;
  padding: 15px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, rgba(255,255,255,.8));
  border-radius: 14px;
  color: #211d28;
  background: rgba(255,255,255,.78);
  box-shadow: inset 0 1px rgba(255,255,255,.92);
  font: 600 14px/1.8 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  user-select: all;
}

.daily-key-panel[data-state="loading"] .daily-key-value {
  color: #777180;
}

.daily-key-panel[data-state="error"] .daily-key-value {
  color: #9f3454;
  border-color: rgba(236,72,153,.22);
  background: rgba(255,246,249,.82);
}

body.static-page .step-content-card .step-points li:last-child {
  border-bottom: 0 !important;
}

body.static-page .step-content-card .step-points li::before {
  left: 2px !important;
  border: 1px solid color-mix(in srgb, var(--accent) 12%, rgba(255,255,255,.5)) !important;
  background: rgba(255,255,255,.48) !important;
}

body.static-page .step-content-card .step-tip,
body.static-page .step-content-card .step-related-link {
  margin-top: 12px !important;
  padding: 13px 0 0 !important;
  border-top: 1px solid color-mix(in srgb, var(--accent) 18%, rgba(58,45,94,.08)) !important;
}

body.static-page .step-content-card .step-related-link {
  margin-top: 15px !important;
}

@media (max-width: 600px) {
  body.static-page main.detail-page .article-content {
    padding: 0 !important;
  }

  body.static-page .step-content-card {
    padding: 17px 15px 18px !important;
    border-radius: 17px !important;
  }

  body.static-page .article-step .step-content-card h2 {
    margin: 7px 0 9px !important;
  }

  body.static-page .article-step .step-content-card > p {
    font-size: 12px !important;
    line-height: 1.85 !important;
  }

  body.static-page .step-content-card .step-points li {
    padding: 8px 0 8px 36px !important;
  }

  body.static-page .step-content-card .step-tip,
  body.static-page .step-content-card .step-related-link {
    padding-top: 11px !important;
  }
}

/* 正文内容流：配图跟随对应说明插入同一 STEP 卡片，不再统一堆在卡片外。 */
body.static-page .step-content-card .step-paragraph + .step-paragraph,
body.static-page .step-content-card .step-image-gallery + .step-paragraph {
  margin-top: 17px !important;
}

body.static-page .step-content-card .step-image-gallery {
  margin: 18px 0 2px !important;
}

body.static-page .step-content-card .step-image-gallery.columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

body.static-page .step-content-card .step-image-gallery + .step-points,
body.static-page .step-content-card .step-image-gallery + .step-tip,
body.static-page .step-content-card .step-image-gallery + .step-related-link {
  margin-top: 16px !important;
}

@media (max-width: 700px) {
  body.static-page .step-content-card .step-image-gallery.columns {
    grid-template-columns: 1fr;
  }

  body.static-page .step-content-card .step-image-gallery {
    margin-top: 14px !important;
    gap: 12px;
  }
}

/* 首页与文章标题区：收回装饰，改用更接近常规教程站的排版。 */
.hero {
  min-height: 470px;
  padding: 126px 0 54px;
  display: flex;
  align-items: center;
  color: #211e29;
  background: linear-gradient(90deg, rgba(252,251,253,.9) 0%, rgba(250,248,253,.76) 52%, rgba(246,249,251,.34) 100%);
  backdrop-filter: none;
}

.hero::before {
  inset: 0;
  width: auto;
  height: auto;
  right: 0;
  bottom: 0;
  border-radius: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.02));
  filter: none;
}

.hero-content {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  display: block;
}

.hero-copy {
  max-width: 820px;
}

.hero-label {
  margin: 0 0 17px;
  color: #5e5868;
  font-size: 14px;
  font-weight: 600;
}

.hero h1 {
  max-width: none;
  color: #201d26;
  font-size: clamp(44px, 4.1vw, 64px);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -.045em;
}

.hero-description {
  max-width: 680px;
  margin: 18px 0 0;
  color: #625d69;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
}

.search-wrap {
  width: min(760px, 100%);
  margin-top: 28px;
}

.search-box {
  height: 56px;
  padding: 7px 8px 7px 20px;
  border-color: rgba(55,46,76,.13);
  border-radius: 14px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 10px 28px rgba(42,34,63,.08);
  backdrop-filter: blur(8px);
}

.search-box::before,
.search-box::after {
  display: none;
}

.search-box:focus-within {
  transform: none;
  border-color: rgba(98,78,181,.36);
  background: rgba(255,255,255,.95);
  box-shadow: 0 10px 28px rgba(42,34,63,.09), 0 0 0 3px rgba(112,87,218,.07);
}

.search-action {
  min-height: 40px;
  min-width: 66px;
  border: 0;
  border-radius: 10px;
  background: #6754d8;
  box-shadow: none;
  font-weight: 500;
}

.hot-searches {
  gap: 16px;
  margin-top: 13px;
  color: #8a8490;
  font-size: 11px;
}

.hot-label i {
  display: none;
}

.hot-searches button {
  padding: 2px 0;
  border: 0;
  border-radius: 0;
  color: #716b79;
  background: transparent;
  box-shadow: none;
}

.hot-searches button:hover {
  color: #5843bd;
  background: transparent;
  transform: none;
}

.detail-hero {
  min-height: 0;
  padding: 132px 24px 58px;
  color: #211e29;
  background: linear-gradient(90deg, rgba(252,251,253,.91) 0%, rgba(249,247,252,.74) 60%, rgba(242,248,250,.4) 100%);
  backdrop-filter: none;
}

.detail-hero-inner {
  width: min(1180px, 100%);
}

.detail-breadcrumb {
  gap: 8px;
  margin-bottom: 25px;
  color: #817b88;
  font-size: 12px;
}

.detail-breadcrumb a:hover {
  color: #5843bd;
}

.detail-title-row {
  display: block;
}

.detail-title-copy {
  max-width: 960px;
}

.detail-category {
  margin-bottom: 13px;
  padding-left: 10px;
  border-left: 2px solid var(--accent);
  color: color-mix(in srgb, var(--accent) 72%, #4f4858);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
}

.detail-title-copy h1 {
  max-width: 960px;
  color: #211e27;
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 620;
  line-height: 1.2;
  letter-spacing: -.04em;
}

.detail-title-copy > p {
  max-width: 760px;
  margin-top: 16px;
  color: #625d69;
  font-size: 15px;
  line-height: 1.8;
}

.detail-meta {
  width: min(760px, 100%);
  gap: 14px;
  margin-top: 22px;
  padding-top: 15px;
  border-top: 1px solid rgba(57,49,72,.12);
  color: #89838e;
  font-size: 11px;
}

.detail-meta i {
  width: 1px;
  height: 12px;
  border-radius: 0;
  background: rgba(57,49,72,.18);
}

@media (max-width: 600px) {
  .hero {
    min-height: 0;
    padding: 104px 0 40px;
  }

  .hero-content {
    width: calc(100% - 28px);
  }

  .hero-label {
    margin-bottom: 13px;
    font-size: 12px;
  }

  .hero h1 {
    font-size: clamp(34px, 10.5vw, 43px);
    line-height: 1.16;
  }

  .hero-description {
    margin-top: 14px;
    font-size: 13px;
    line-height: 1.7;
  }

  .search-wrap {
    margin-top: 21px;
  }

  .search-box {
    height: 51px;
    border-radius: 12px;
  }

  .hot-searches {
    gap: 12px;
    font-size: 9px;
  }

  .hot-searches button {
    font-size: 9px;
  }

  .detail-hero {
    min-height: 0;
    padding: 105px 15px 38px;
  }

  .detail-breadcrumb {
    margin-bottom: 20px;
    font-size: 10px;
  }

  .detail-category {
    margin-bottom: 11px;
    font-size: 11px;
  }

  .detail-title-copy h1 {
    font-size: clamp(30px, 9.4vw, 38px);
    line-height: 1.22;
  }

  .detail-title-copy > p {
    margin-top: 13px;
    font-size: 13px;
    line-height: 1.7;
  }

  .detail-meta {
    gap: 10px;
    margin-top: 18px;
    padding-top: 13px;
    font-size: 9px;
  }
}