.page-home {
  position: relative;
  overflow-x: clip;
  background: var(--void);
  color: var(--bone);
  font-family: var(--font-body);
}

.page-home img {
  max-width: 100%;
  height: auto;
}

.page-home a {
  color: inherit;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 0;
  overflow: hidden;
  background:
    radial-gradient(120% 88% at 86% 6%, rgba(53, 214, 255, 0.16), transparent 62%),
    radial-gradient(90% 70% at 4% 94%, rgba(180, 255, 57, 0.12), transparent 66%),
    var(--void);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.6;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  left: -20%;
  top: 34%;
  width: 140%;
  height: 2px;
  z-index: 0;
  pointer-events: none;
  transform: rotate(-7deg);
  background: linear-gradient(90deg, transparent, var(--lime) 32%, var(--cyan) 64%, transparent);
  opacity: 0.45;
}

.page-home .home-hero .wrap {
  position: relative;
  z-index: 2;
}

.page-home .hero__watermark {
  position: absolute;
  right: -0.06em;
  bottom: -0.16em;
  z-index: 1;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(110px, 24vw, 260px);
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: #101a24;
  -webkit-text-stroke: 1px rgba(53, 214, 255, 0.2);
  pointer-events: none;
  user-select: none;
}

.page-home .hero__crumb {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(22px, 4vw, 42px);
}

.page-home .hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 38px);
  align-items: center;
}

.page-home .hero__rail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-home .hero__rail-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
  color: var(--lime);
}

.page-home .hero__rail-note {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  line-height: 1.5;
}

.page-home .hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 7vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-home .hero__title-line {
  display: block;
}

.page-home .hero__title-line--accent {
  color: var(--lime);
}

.page-home .hero__lede {
  max-width: 34em;
  margin: 0 0 28px;
  font-size: var(--fs-18);
  font-weight: 400;
  line-height: 1.9;
  color: var(--bone);
  opacity: 0.86;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .hero__media {
  position: relative;
  margin: 0;
  -webkit-clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
}

.page-home .hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .hero__strip {
  position: relative;
  z-index: 2;
  margin-top: clamp(34px, 6vw, 72px);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  background: rgba(7, 9, 15, 0.72);
}

.page-home .hero__strip-track {
  display: flex;
  gap: clamp(24px, 4vw, 56px);
  padding: 16px var(--gutter);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .hero__strip-item {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-home .hero__strip-key {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-home .hero__strip-val {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--lime);
  white-space: nowrap;
}

/* ---------- 章节通用 ---------- */

.page-home .chapter-head {
  max-width: 42em;
  margin: 0 0 clamp(28px, 4vw, 48px);
}

.page-home .chapter-head--tight {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-home .chapter-head h2,
.page-home .notice__copy h2,
.page-home .service__copy h2,
.page-home .closing__copy h2 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.6vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-home .chapter-lede,
.page-home .notice__copy p,
.page-home .service__copy p,
.page-home .closing__copy p {
  margin: 0;
  max-width: 38em;
  font-size: var(--fs-18);
  line-height: 1.9;
  color: var(--bone);
  opacity: 0.84;
}

/* ---------- 通道解说 ---------- */

.page-home .home-channel {
  position: relative;
  margin: clamp(26px, 5vw, 60px) 0 0;
  padding: clamp(70px, 11vw, 136px) 0;
  background:
    radial-gradient(100% 80% at 92% 8%, rgba(180, 255, 57, 0.1), transparent 60%),
    var(--jade);
  -webkit-clip-path: polygon(0 1.8%, 100% 0, 100% 98.2%, 0 100%);
  clip-path: polygon(0 1.8%, 100% 0, 100% 98.2%, 0 100%);
}

.page-home .channel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-home .channel__media {
  margin: 0;
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-home .channel__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .channel__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .channel__step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(234, 243, 238, 0.16);
}

.page-home .channel__step:last-child {
  border-bottom: 1px solid rgba(234, 243, 238, 0.16);
}

.page-home .channel__step-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--lime);
}

.page-home .channel__step-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-22);
  line-height: 1.35;
  color: var(--bone);
}

.page-home .channel__step-body p {
  margin: 0;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: rgba(234, 243, 238, 0.82);
}

.page-home .channel__devices {
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: 22px;
  border-top: 1px solid rgba(234, 243, 238, 0.16);
}

.page-home .channel__devices-label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-home .channel__device-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- 数据看板 ---------- */

.page-home .home-board {
  padding: clamp(56px, 9vw, 118px) 0;
}

.page-home .board__panel {
  position: relative;
  padding: clamp(28px, 4.6vw, 64px);
  background:
    radial-gradient(90% 70% at 8% 0%, rgba(53, 214, 255, 0.14), transparent 62%),
    var(--indigo);
  -webkit-clip-path: polygon(0 1.6%, 100% 0, 100% 98.4%, 0 100%);
  clip-path: polygon(0 1.6%, 100% 0, 100% 98.4%, 0 100%);
}

.page-home .board__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  margin: clamp(22px, 3.4vw, 38px) 0;
  background: rgba(234, 243, 238, 0.14);
  border: 1px solid rgba(234, 243, 238, 0.14);
}

.page-home .board__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--indigo);
}

.page-home .board__stat-val {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.1;
  color: var(--lime);
}

.page-home .board__stat-key {
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--mist);
}

.page-home .board__media {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-home .board__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  -webkit-clip-path: polygon(0 0, 100% 2%, 100% 100%, 0 98%);
  clip-path: polygon(0 0, 100% 2%, 100% 100%, 0 98%);
}

.page-home .board__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .board__note {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-18);
  line-height: 1.9;
  color: rgba(234, 243, 238, 0.84);
}

/* ---------- 订阅更新公告 ---------- */

.page-home .home-notice {
  position: relative;
  padding: clamp(56px, 9vw, 120px) 0;
}

.page-home .home-notice::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 24%, #000 76%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 24%, #000 76%, transparent);
}

.page-home .home-notice .wrap {
  position: relative;
  z-index: 1;
}

.page-home .notice__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-home .notice__copy p + p {
  margin-top: 16px;
}

.page-home .notice__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .notice__facts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .notice__fact {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--grid);
}

.page-home .notice__fact:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-home .notice__fact-idx {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--amber);
}

.page-home .notice__fact-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-18);
  line-height: 1.4;
  color: var(--bone);
}

.page-home .notice__fact-body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: rgba(234, 243, 238, 0.76);
}

/* ---------- 集锦与补时 ---------- */

.page-home .home-reels {
  padding: clamp(70px, 11vw, 132px) 0;
  background:
    radial-gradient(80% 60% at 88% 100%, rgba(255, 145, 48, 0.14), transparent 62%),
    var(--wine);
  -webkit-clip-path: polygon(0 0, 100% 1.8%, 100% 100%, 0 98.2%);
  clip-path: polygon(0 0, 100% 1.8%, 100% 100%, 0 98.2%);
}

.page-home .reels__list {
  border-top: 1px solid rgba(234, 243, 238, 0.18);
}

.page-home .reel {
  border-bottom: 1px solid rgba(234, 243, 238, 0.18);
}

.page-home .reel summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-18);
  line-height: 1.5;
  color: var(--bone);
  transition: color var(--t-fast);
}

.page-home .reel summary::-webkit-details-marker {
  display: none;
}

.page-home .reel summary:hover {
  color: var(--lime);
}

.page-home .reel summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-22);
  color: var(--lime);
}

.page-home .reel[open] summary::after {
  content: "−";
}

.page-home .reel__idx {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-home .reel__body {
  margin: 0;
  padding: 0 0 22px 34px;
  max-width: 56ch;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: rgba(234, 243, 238, 0.82);
}

/* ---------- 五步上手 ---------- */

.page-home .home-start {
  padding: clamp(56px, 9vw, 118px) 0;
}

.page-home .start__bar {
  height: 2px;
  margin-bottom: -1px;
  background: linear-gradient(90deg, var(--lime), var(--cyan) 46%, rgba(53, 214, 255, 0) 100%);
}

.page-home .start__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-home .start__step {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--void);
}

.page-home .start__step-num {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1;
  color: rgba(180, 255, 57, 0.42);
}

.page-home .start__step h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-18);
  line-height: 1.4;
  color: var(--bone);
}

.page-home .start__step p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: rgba(234, 243, 238, 0.74);
}

.page-home .start__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 40em;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 服务与咨询 ---------- */

.page-home .home-service {
  padding: clamp(56px, 9vw, 118px) 0;
  border-top: 1px solid var(--grid);
}

.page-home .service__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 60px);
  align-items: start;
}

.page-home .service__copy .btn {
  margin-top: 26px;
}

.page-home .service__fine {
  margin: 20px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .service__fine a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .service__facts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .service__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 14px 0;
  border-top: 1px solid var(--grid);
}

.page-home .service__facts li:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-home .service__fact-key {
  flex: 0 0 6.5em;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-home .service__fact-val {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--bone);
}

/* ---------- 收束 ---------- */

.page-home .home-closing {
  position: relative;
  margin-top: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-home .closing__media {
  margin: 0;
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

.page-home .closing__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .closing__copy {
  position: relative;
  margin-top: clamp(-46px, -3vw, -18px);
}

.page-home .closing__copy p {
  margin-bottom: 26px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .channel__step {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 22px;
    padding: 24px 0;
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: 68px minmax(0, 1.12fr) minmax(0, 0.88fr);
    grid-template-areas: "rail .page-home media";
    gap: clamp(28px, 3.4vw, 52px);
  }

  .page-home .hero__rail {
    grid-area: rail;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    align-self: stretch;
    padding-top: 6px;
    border-left: 1px solid var(--grid);
    padding-left: 14px;
  }

  .page-home .hero__rail-note {
    writing-mode: vertical-rl;
  }

  .page-home .hero__body {
    grid-area: body;
  }

  .page-home .hero__media {
    grid-area: media;
  }

  .page-home .channel__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-home .notice__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-home .service__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .page-home .reel summary {
    font-size: var(--fs-22);
  }
}

@media (min-width: 1180px) {
  .page-home .home-hero {
    padding-top: clamp(40px, 4vw, 72px);
  }

  .page-home .hero__lede {
    font-size: var(--fs-18);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .reel summary {
    transition: none;
  }
}