/* ==========================================================================
   识光 Solensar — pages-home.css
   归属：web-home（首页 index / 产品中心 products / 识光 A1 / SG-K1）
   只在四个页面加载；依赖 main.css 的 tokens、按钮、reveal、gallery、specs、
   faq、subnav、buy-bar、cta-band 等共享组件，不覆盖共享类的基础行为。
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. 本页族通用排版
   -------------------------------------------------------------------------- */
.hp-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.26em;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--red-bright);
}
.hp-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.hp-kicker--plain::before {
  display: none;
}

.hp-h2 {
  font-size: clamp(34px, 4.6vw, 66px);
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.032em;
  text-wrap: balance;
}
.hp-h3 {
  font-size: clamp(21px, 2vw, 27px);
  line-height: 1.22;
  font-weight: 650;
  letter-spacing: -0.018em;
}
.hp-lead {
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.9;
  color: var(--muted);
}
.hp-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}
.hp-dot {
  color: var(--red);
}

/* 章节头：左标题 + 右说明（比 main.css 的 .section-head 更松散、留白更大） */
.hp-sechead {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(26px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(44px, 5.6vw, 84px);
}
.hp-sechead__copy .hp-h2 {
  margin-top: 20px;
}
.hp-aside {
  max-width: 420px;
  padding-bottom: 4px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
}
.hp-aside .link-arrow {
  margin-top: 22px;
}
.hp-aside--right {
  margin-left: auto;
}

/* 让 .section 的上下留白更有电影感 */
.hp-section {
  padding: clamp(92px, 10vw, 168px) 0;
}
.hp-section--flush {
  padding-bottom: 0;
}

/* --------------------------------------------------------------------------
   1. 首页 Hero
   -------------------------------------------------------------------------- */
.hp-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: min(94svh, 920px);
  padding-top: var(--nav-h);
  background: #050506;
  overflow: hidden;
  isolation: isolate;
}
/* Hero 主图以「原生分辨率左右」呈现：只轻微缩小、不放大，保证 1440 下清晰 */
.hp-hero__media {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: min(74%, 1060px);
  z-index: -2;
}
.hp-hero__media img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(0.94) contrast(1.06) brightness(0.94);
  animation: scale-in 2s var(--ease) both;
}
.hp-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #050506 0%, rgba(5, 5, 6, 0.88) 11%, rgba(5, 5, 6, 0.28) 36%, rgba(5, 5, 6, 0) 58%),
    linear-gradient(180deg, #050506 0%, rgba(5, 5, 6, 0.35) 12%, transparent 26%, transparent 76%, rgba(5, 5, 6, 0.5) 92%, #050506 100%);
}
.hp-hero__glow {
  position: absolute;
  left: -12%;
  bottom: -28%;
  z-index: -1;
  width: 52vw;
  height: 52vw;
  max-width: 720px;
  max-height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(225, 37, 27, 0.2) 0%, rgba(225, 37, 27, 0.05) 42%, transparent 68%);
  filter: blur(26px);
  pointer-events: none;
}
.hp-hero__inner {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
  padding: clamp(58px, 9vh, 104px) 0 clamp(40px, 6vh, 72px);
}
.hp-hero__copy {
  max-width: 800px;
}
.hp-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
  animation: fade-in 1s var(--ease) 0.1s both;
}
.hp-hero__eyebrow i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red-bright);
  animation: pulse-dot 2.8s infinite;
}
.hp-hero__eyebrow span {
  color: var(--dim);
  letter-spacing: 0.1em;
  text-transform: none;
}
.hp-hero h1 {
  margin-top: clamp(20px, 2.6vw, 34px);
  font-size: clamp(46px, 7.4vw, 112px);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.045em;
  text-wrap: balance;
  animation: fade-up 1.15s var(--ease) 0.18s both;
}
.hp-hero h1 .hp-hero__line {
  display: block;
}
.hp-hero__lead {
  max-width: 520px;
  margin-top: clamp(20px, 2.2vw, 30px);
  font-size: clamp(15px, 1.18vw, 17.5px);
  line-height: 1.88;
  color: rgba(255, 255, 255, 0.62);
  animation: fade-up 1.1s var(--ease) 0.34s both;
}
.hp-hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: clamp(28px, 3.2vw, 42px);
  animation: fade-up 1.1s var(--ease) 0.46s both;
}
.hp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  margin-top: clamp(34px, 4vw, 52px);
  animation: fade-in 1.2s var(--ease) 0.62s both;
}
.hp-hero__meta span {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.42);
  padding: 0 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}
.hp-hero__meta span:first-child {
  padding-left: 0;
  border-left: 0;
}
.hp-hero__meta b {
  color: rgba(255, 255, 255, 0.86);
  font-weight: 500;
}

/* 底部参数条 */
.hp-hero__strip {
  position: relative;
  z-index: 3;
  border-top: 1px solid var(--line);
  background: rgba(5, 5, 6, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.hp-hero__strip-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.hp-hero__stat {
  position: relative;
  padding: 20px 26px 20px 0;
}
.hp-hero__stat + .hp-hero__stat {
  padding-left: 26px;
  border-left: 1px solid var(--line);
}
.hp-hero__stat strong {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: clamp(18px, 1.6vw, 23px);
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.15;
  white-space: nowrap;
}
.hp-hero__stat strong small {
  font-size: 0.6em;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.hp-hero__stat span {
  display: block;
  margin-top: 5px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   2. 品牌主张
   -------------------------------------------------------------------------- */
.hp-manifesto {
  position: relative;
  border-top: 1px solid var(--line);
}
.hp-manifesto__title {
  max-width: 1180px;
  margin-top: clamp(26px, 3vw, 42px);
  font-size: clamp(32px, 4.9vw, 74px);
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
.hp-manifesto__title em {
  font-style: normal;
  color: var(--red);
}
.hp-manifesto__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(30px, 6vw, 110px);
  margin-top: clamp(40px, 5vw, 72px);
  padding-top: clamp(30px, 3.4vw, 44px);
  border-top: 1px solid var(--line);
}
.hp-manifesto__copy {
  max-width: 620px;
}
.hp-manifesto__copy p {
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.95;
  color: var(--muted);
}
.hp-manifesto__copy p + p {
  margin-top: 18px;
}
.hp-manifesto__copy .link-arrow {
  margin-top: 30px;
}
.hp-manifesto__list {
  display: grid;
  align-content: start;
}
.hp-manifesto__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.3s var(--ease), padding 0.3s var(--ease);
}
.hp-manifesto__list a:first-child {
  border-top: 1px solid var(--line);
}
.hp-manifesto__list a:hover {
  padding-left: 8px;
  color: var(--red-bright);
}
.hp-manifesto__list b {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.hp-manifesto__list b span {
  color: var(--red-bright);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  margin-right: 12px;
  vertical-align: 2px;
}
.hp-manifesto__list em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--dim);
  white-space: nowrap;
}
.hp-manifesto__list a:hover b {
  color: var(--red-bright);
}

/* --------------------------------------------------------------------------
   3. 产品矩阵
   -------------------------------------------------------------------------- */
.hp-matrix {
  border-top: 1px solid var(--line);
}
.hp-matrix__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}
.hp-mcard {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #08080a;
  isolation: isolate;
  transition: border-color 0.45s var(--ease);
}
.hp-mcard:hover {
  border-color: rgba(225, 37, 27, 0.42);
}
.hp-mcard--a1 {
  grid-column: span 12;
  min-height: clamp(420px, 43vw, 620px);
}
.hp-mcard--k1 {
  grid-column: span 7;
  min-height: clamp(400px, 34vw, 520px);
}
.hp-mcard--assistant {
  grid-column: span 5;
  min-height: clamp(400px, 34vw, 520px);
}
.hp-mcard__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background: #050506;
}
.hp-mcard__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease), filter 0.7s var(--ease);
}
.hp-mcard:hover .hp-mcard__media img {
  transform: scale(1.035);
}
.hp-mcard::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(5, 5, 6, 0.05) 22%, rgba(5, 5, 6, 0.55) 62%, rgba(5, 5, 6, 0.95) 100%);
  pointer-events: none;
}
.hp-mcard--a1 .hp-mcard__media img {
  object-position: 76% center;
  filter: brightness(0.92);
}
.hp-mcard--a1::after {
  background: linear-gradient(90deg, #07070a 0%, rgba(7, 7, 10, 0.9) 26%, rgba(7, 7, 10, 0.32) 54%, rgba(7, 7, 10, 0.05) 72%),
    linear-gradient(180deg, rgba(5, 5, 6, 0.3) 0%, transparent 30%, transparent 70%, rgba(5, 5, 6, 0.72) 100%);
}
.hp-mcard--k1 .hp-mcard__media img {
  object-position: 52% 46%;
}
.hp-mcard--assistant {
  justify-content: flex-start;
}
.hp-mcard--assistant .hp-mcard__media {
  position: relative;
  inset: auto;
  height: clamp(230px, 23vw, 320px);
  background: radial-gradient(120% 120% at 72% 12%, rgba(225, 37, 27, 0.16), transparent 58%),
    linear-gradient(160deg, #101014, #060608);
  border-bottom: 1px solid var(--line);
}
.hp-mcard--assistant .hp-mcard__media img {
  object-fit: contain;
  padding: 5% 8%;
  filter: none;
}
.hp-mcard--assistant::after {
  display: none;
}
.hp-mcard--assistant .hp-mcard__body {
  margin-top: auto;
}
.hp-mcard__body {
  position: relative;
  z-index: 2;
  padding: clamp(26px, 3vw, 44px);
  max-width: 620px;
}
.hp-mcard--a1 .hp-mcard__body {
  padding-left: clamp(26px, 4vw, 58px);
  max-width: 560px;
}
.hp-mcard__num {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}
.hp-mcard__num i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--red-bright);
}
.hp-mcard h3 {
  margin-top: 16px;
  font-size: clamp(30px, 3.4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.hp-mcard h3 small {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.56);
}
.hp-mcard p {
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.56);
  max-width: 440px;
}
.hp-mcard__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  color: var(--dim);
}
.hp-mcard__specs b {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
}
.hp-mcard__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
}
.hp-mcard__cta svg {
  width: 15px;
  height: 15px;
  transition: transform 0.4s var(--ease);
}
.hp-mcard:hover .hp-mcard__cta svg {
  transform: translateX(5px);
}
.hp-mcard:hover .hp-mcard__cta {
  color: var(--red-bright);
}

/* 浅色产品卡（用于白底产品图，例如 SG-K1） */
.hp-mcard--light {
  background: #f2f2f4;
  border-color: rgba(255, 255, 255, 0.08);
}
.hp-mcard--light .hp-mcard__media {
  background: #f2f2f4;
}
.hp-mcard--light .hp-mcard__media img {
  filter: none;
}
.hp-mcard--light::after {
  background: linear-gradient(180deg, rgba(242, 242, 244, 0) 32%, rgba(242, 242, 244, 0.9) 58%, #f2f2f4 82%);
}
.hp-mcard--light .hp-mcard__num {
  color: #6e6e73;
}
.hp-mcard--light .hp-mcard__num i {
  background: #e1251b;
}
.hp-mcard--light h3 {
  color: #1d1d1f;
}
.hp-mcard--light h3 small {
  color: #6e6e73;
}
.hp-mcard--light p {
  color: #6e6e73;
}
.hp-mcard--light .hp-mcard__specs {
  color: #86868b;
}
.hp-mcard--light .hp-mcard__specs b {
  color: #1d1d1f;
}
.hp-mcard--light .hp-mcard__cta {
  color: #1d1d1f;
}
.hp-mcard--light:hover .hp-mcard__cta {
  color: #e1251b;
}

/* --------------------------------------------------------------------------
   4. 核心技术
   -------------------------------------------------------------------------- */
.hp-tech {
  border-top: 1px solid var(--line);
}
.hp-tech__figure {
  position: relative;
  margin: 0 0 clamp(40px, 5vw, 70px);
  aspect-ratio: 21 / 8;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--line);
}
.hp-tech__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 44%;
  filter: grayscale(0.55) contrast(1.08) brightness(0.78);
  transition: transform 1.6s var(--ease), filter 0.9s var(--ease);
}
.hp-tech__figure:hover img {
  transform: scale(1.025);
  filter: grayscale(0.15) contrast(1.05) brightness(0.88);
}
.hp-tech__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 5, 6, 0.82) 0%, rgba(5, 5, 6, 0.25) 42%, transparent 66%),
    linear-gradient(180deg, transparent 52%, rgba(5, 5, 6, 0.72) 100%);
}
.hp-tech__figure-copy {
  position: absolute;
  left: clamp(22px, 3.4vw, 48px);
  bottom: clamp(20px, 3vw, 40px);
  z-index: 2;
}
.hp-tech__figure-copy strong {
  display: block;
  font-size: clamp(46px, 7vw, 108px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.92;
}
.hp-tech__figure-copy strong small {
  font-size: 0.26em;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--red-bright);
  margin-left: 8px;
  vertical-align: 0.7em;
}
.hp-tech__figure-copy span {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.hp-tech__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(30px, 6vw, 100px);
  border-top: 1px solid var(--line);
}
.hp-tech__item {
  padding: clamp(30px, 3.6vw, 52px) 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}
.hp-tech__item:nth-child(3) {
  border-bottom: 0;
}
.hp-tech__item:nth-child(4) {
  border-bottom: 0;
}
.hp-tech__num {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}
.hp-tech__num b {
  color: var(--red-bright);
  font-weight: 500;
}
.hp-tech__item h3 {
  margin-top: 20px;
  font-size: clamp(21px, 2.1vw, 29px);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.24;
}
.hp-tech__item p {
  margin-top: 14px;
  max-width: 470px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}
.hp-tech__spec {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.hp-tech__spec b {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   5. 行业场景
   -------------------------------------------------------------------------- */
.hp-scen {
  border-top: 1px solid var(--line);
}
.hp-scen__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(36px, 6vw, 110px);
  align-items: start;
}
.hp-scen__intro {
  position: sticky;
  top: calc(var(--nav-h) + 40px);
  max-width: 440px;
}
.hp-scen__intro .hp-h2 {
  margin-top: 20px;
}
.hp-scen__intro p {
  margin-top: 20px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
}
.hp-scen__intro .link-arrow {
  margin-top: 28px;
}
.hp-scen__list {
  border-top: 1px solid var(--line);
}
.hp-scen__item {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 30px;
  gap: clamp(16px, 2.4vw, 32px);
  padding: clamp(24px, 2.6vw, 34px) 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease);
}
.hp-scen__item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 2px;
  height: 0;
  background: var(--red);
  transform: translateY(-50%);
  transition: height 0.4s var(--ease);
}
.hp-scen__item:hover::before {
  height: 42%;
}
.hp-scen__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--dim);
  padding-top: 5px;
  transition: color 0.3s;
}
.hp-scen__item:hover .hp-scen__idx {
  color: var(--red-bright);
}
.hp-scen__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.hp-scen__head h3 {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 650;
  letter-spacing: -0.015em;
}
.hp-scen__head span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red-bright);
}
.hp-scen__item blockquote {
  margin: 12px 0 0;
  max-width: 620px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
  transition: color 0.35s;
}
.hp-scen__item:hover blockquote {
  color: rgba(255, 255, 255, 0.78);
}
.hp-scen__arrow {
  align-self: center;
  color: var(--dim);
  transition: transform 0.4s var(--ease), color 0.3s;
}
.hp-scen__arrow svg {
  width: 18px;
  height: 18px;
}
.hp-scen__item:hover .hp-scen__arrow {
  color: var(--red-bright);
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   6. 官方商城（数据来自 /api/products；浅色卡片在暗色页面里形成对比）
   -------------------------------------------------------------------------- */
.hp-store {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(70% 100% at 12% 0%, rgba(225, 37, 27, 0.09), transparent 58%),
    linear-gradient(180deg, #060608, #050506);
}
.hp-store__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: clamp(38px, 4.4vw, 60px);
}
.hp-store__head .hp-h2 {
  margin-top: 20px;
}
.hp-store__note {
  max-width: 340px;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--dim);
  text-align: right;
}
.hp-store__note b {
  color: var(--muted);
  font-weight: 500;
}
.hp-store__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.hp-shopcard {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 16px;
  border-radius: 18px;
  background: #ffffff;
  color: #1d1d1f;
  overflow: hidden;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.hp-shopcard:hover {
  transform: translateY(-5px);
  box-shadow: 0 34px 70px -30px rgba(0, 0, 0, 0.85);
}
.hp-shopcard__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  background: #f0f0f2;
  overflow: hidden;
}
.hp-shopcard__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6%;
  mix-blend-mode: multiply;
  transition: transform 0.6s var(--ease);
}
.hp-shopcard--dark {
  background: #111114;
  color: #f6f6f7;
}
.hp-shopcard--dark .hp-shopcard__media {
  background: radial-gradient(110% 110% at 68% 14%, #202027 0%, #0d0d10 62%, #060608 100%);
}
.hp-shopcard--dark .hp-shopcard__media img {
  object-fit: cover;
  object-position: 50% 48%;
  padding: 0;
  mix-blend-mode: normal;
}
.hp-shopcard:hover .hp-shopcard__media img {
  transform: scale(1.04);
}
.hp-shopcard__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 9px;
  border-radius: 999px;
  background: #e1251b;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
}
.hp-shopcard__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 4px 2px;
}
.hp-shopcard__cat {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #86868b;
}
.hp-shopcard--dark .hp-shopcard__cat {
  color: #86868b;
}
.hp-shopcard__name {
  margin-top: 9px;
  font-size: 17.5px;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: #1d1d1f;
}
.hp-shopcard--dark .hp-shopcard__name {
  color: #f6f6f7;
}
.hp-shopcard__sub {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.65;
  color: #6e6e73;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hp-shopcard__foot {
  display: block;
  margin-top: auto;
  padding-top: 18px;
}
.hp-shopcard__price {
  display: flex;
  align-items: baseline;
  gap: 3px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #1d1d1f;
  white-space: nowrap;
}
.hp-shopcard--dark .hp-shopcard__price {
  color: #fff;
}
.hp-shopcard__price small {
  font-size: 11px;
  font-weight: 500;
  color: #86868b;
  letter-spacing: 0.02em;
  margin-left: 2px;
}
.hp-shopcard__price em {
  font-style: normal;
  font-size: 12.5px;
  font-weight: 500;
  color: #86868b;
}
.hp-shopcard__buy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  height: 40px;
  margin-top: 14px;
  border-radius: 10px;
  background: #1d1d1f;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.3s var(--ease);
}
.hp-shopcard__buy svg {
  width: 13px;
  height: 13px;
}
.hp-shopcard:hover .hp-shopcard__buy {
  background: #e1251b;
}
.hp-store__perks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 36px;
  margin-top: clamp(30px, 3.4vw, 44px);
  padding-top: clamp(22px, 2.4vw, 30px);
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--dim);
}
.hp-store__perks span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.hp-store__perks svg {
  width: 14px;
  height: 14px;
  color: var(--red-bright);
  flex: none;
}

/* 骨架 / 兜底 */
.hp-skel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px 14px 18px;
  border-radius: 18px;
  background: #f5f5f7;
  overflow: hidden;
}
.hp-skel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.75) 50%, transparent 80%);
  transform: translateX(-100%);
  animation: hp-shimmer 1.5s infinite;
}
.hp-skel__media {
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  background: #e8e8ed;
}
.hp-skel__line {
  height: 12px;
  border-radius: 4px;
  background: #e8e8ed;
}
.hp-skel__line--sm {
  width: 38%;
}
.hp-skel__line--lg {
  width: 72%;
  height: 18px;
}
@keyframes hp-shimmer {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(100%);
  }
}
.hp-store__status {
  margin-top: 18px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--dim);
}
.hp-store__status[hidden] {
  display: none;
}
.hp-store__error {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px 30px;
  align-items: center;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}
.hp-store__error h3 {
  font-size: 17px;
  font-weight: 650;
}
.hp-store__error p {
  margin-top: 6px;
  max-width: 560px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--dim);
}
.hp-store__error .btn-row {
  gap: 10px;
}

/* --------------------------------------------------------------------------
   7. 服务与信任
   -------------------------------------------------------------------------- */
.hp-trust {
  border-top: 1px solid var(--line);
}
.hp-trust__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hp-trust__stat {
  padding: clamp(30px, 3.4vw, 46px) clamp(16px, 2.2vw, 32px) clamp(28px, 3.2vw, 42px) 0;
  min-width: 0;
}
.hp-trust__stat + .hp-trust__stat {
  padding-left: clamp(16px, 2.2vw, 32px);
  border-left: 1px solid var(--line);
}
.hp-trust__num {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.hp-trust__num small {
  font-size: 0.36em;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--red-bright);
}
.hp-trust__label {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}
.hp-trust__desc {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}
.hp-trust__services {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(38px, 4.4vw, 60px);
  border: 1px solid var(--line);
  background: var(--line);
}
.hp-trust__service {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(24px, 2.8vw, 36px);
  background: var(--bg-1);
  transition: background 0.35s var(--ease);
}
.hp-trust__service:hover {
  background: #0d0d10;
}
.hp-trust__service svg {
  width: 22px;
  height: 22px;
  color: var(--red-bright);
}
.hp-trust__service strong {
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.01em;
}
.hp-trust__service span {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--dim);
}
.hp-trust__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 30px;
  margin-top: clamp(28px, 3.2vw, 40px);
}
.hp-trust__foot p {
  font-size: 12.5px;
  color: var(--dim);
}

/* --------------------------------------------------------------------------
   8. 新闻
   -------------------------------------------------------------------------- */
.hp-news {
  border-top: 1px solid var(--line);
}
.hp-news__list {
  border-top: 1px solid var(--line);
}
.hp-news__item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 110px 26px;
  gap: clamp(18px, 3vw, 46px);
  align-items: baseline;
  padding: clamp(22px, 2.4vw, 32px) 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.35s var(--ease);
}
.hp-news__item:hover {
  padding-left: 10px;
}
.hp-news__date {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--dim);
  white-space: nowrap;
}
.hp-news__main h3 {
  font-size: clamp(17px, 1.7vw, 22px);
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.4;
  transition: color 0.3s;
}
.hp-news__item:hover .hp-news__main h3 {
  color: var(--red-bright);
}
.hp-news__main p {
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--dim);
  max-width: 720px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hp-news__cat {
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}
.hp-news__arrow {
  justify-self: end;
  color: var(--dim);
  transition: transform 0.35s var(--ease), color 0.3s;
}
.hp-news__arrow svg {
  width: 17px;
  height: 17px;
}
.hp-news__item:hover .hp-news__arrow {
  color: var(--red-bright);
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   9. 产品详情页（A1 / K1）—— Hero
   -------------------------------------------------------------------------- */
/* 产品详情 Hero：主图按接近原生分辨率呈现（原生 1080×549），避免 1440 下放大发虚 */
.pd-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(94svh, 940px);
  padding-top: var(--nav-h);
  overflow: hidden;
  background: #050506;
  isolation: isolate;
}
.pd-hero__media {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: min(86%, 1160px);
  z-index: -2;
}
.pd-hero__media img {
  width: 100%;
  height: auto;
  display: block;
  filter: brightness(0.82) saturate(0.94) contrast(1.05);
  animation: scale-in 2.2s var(--ease) both;
}
.pd-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #050506 0%, rgba(5, 5, 6, 0.92) 10%, rgba(5, 5, 6, 0.28) 34%, rgba(5, 5, 6, 0) 58%),
    linear-gradient(180deg, #050506 0%, rgba(5, 5, 6, 0.3) 10%, transparent 26%, transparent 76%, rgba(5, 5, 6, 0.55) 92%, #050506 100%);
}
.pd-hero__inner {
  position: relative;
  z-index: 2;
  width: min(var(--max), 100% - var(--page-x) * 2);
  margin-inline: auto;
  padding: clamp(120px, 18vh, 200px) 0 clamp(48px, 7vh, 86px);
}
.pd-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  animation: fade-in 0.9s var(--ease) both;
}
.pd-hero__kicker i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red-bright);
  animation: pulse-dot 2.6s infinite;
}
.pd-hero h1 {
  margin-top: clamp(14px, 1.8vw, 24px);
  font-size: clamp(96px, 17vw, 264px);
  line-height: 0.86;
  font-weight: 700;
  letter-spacing: -0.06em;
  animation: fade-up 1.15s var(--ease) 0.1s both;
}
.pd-hero__tagline {
  margin-top: clamp(14px, 1.6vw, 22px);
  font-size: clamp(21px, 2.4vw, 34px);
  font-weight: 600;
  letter-spacing: -0.02em;
  animation: fade-up 1.05s var(--ease) 0.22s both;
}
.pd-hero__lead {
  max-width: 520px;
  margin-top: 16px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
  animation: fade-up 1.05s var(--ease) 0.32s both;
}
.pd-hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: clamp(24px, 2.8vw, 36px);
  animation: fade-up 1.05s var(--ease) 0.42s both;
}
.pd-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin-top: clamp(26px, 3vw, 38px);
  animation: fade-in 1.2s var(--ease) 0.58s both;
}
.pd-hero__meta span {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
  padding: 0 18px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  white-space: nowrap;
}
.pd-hero__meta span:first-child {
  padding-left: 0;
  border-left: 0;
}
.pd-hero__badge {
  position: absolute;
  right: var(--page-x);
  bottom: clamp(44px, 6vh, 74px);
  z-index: 3;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 9.5px;
  line-height: 1.9;
  letter-spacing: 0.14em;
  color: var(--dim);
}
.pd-hero__badge b {
  display: block;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.pd-hero--k1 {
  min-height: min(90svh, 900px);
}
/* SG-K1 当前素材为白底产品图 → 用「浅色产品板」承载，在暗色 hero 中形成高级的产品陈列感 */
.pd-hero--k1 .pd-hero__media {
  width: min(56%, 840px);
  right: var(--page-x);
  padding: clamp(10px, 1.2vw, 16px);
  background: linear-gradient(180deg, #fbfbfc, #ececef);
  border-radius: clamp(14px, 1.4vw, 22px);
  box-shadow: 0 70px 140px -60px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.pd-hero--k1 .pd-hero__tagline {
  font-size: clamp(19px, 2vw, 28px);
}
.pd-hero--k1 .pd-hero__lead {
  max-width: 460px;
}
.pd-hero--k1 .pd-hero__media img {
  width: 100%;
  height: auto;
  object-fit: initial;
  object-position: initial;
  border-radius: clamp(8px, 0.9vw, 14px);
  filter: none;
  -webkit-mask-image: none;
  mask-image: none;
}
.pd-hero--k1 .pd-hero__media::after {
  display: none;
}

/* 产品页锚点导航下的留白（subnav 高度由 main.css 控制） */
.pd-anchor {
  display: block;
  position: relative;
  top: calc(-1 * var(--nav-h) - 60px);
  visibility: hidden;
}

/* 产品页大段引言 */
.pd-statement {
  padding: clamp(84px, 9vw, 140px) 0;
  border-top: 1px solid var(--line);
}
.pd-statement p {
  max-width: 1080px;
  margin-inline: auto;
  text-align: center;
  font-size: clamp(26px, 3.4vw, 50px);
  line-height: 1.36;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: rgba(255, 255, 255, 0.34);
  text-wrap: balance;
}
.pd-statement p strong {
  color: var(--text);
  font-weight: 600;
}

/* 画质 / 色彩科学 */
.pd-color {
  border-top: 1px solid var(--line);
}
.pd-color__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(36px, 7vw, 120px);
  align-items: start;
}
.pd-color__big {
  position: relative;
  padding-top: 6px;
}
.pd-color__big strong {
  display: block;
  font-size: clamp(88px, 13vw, 190px);
  line-height: 0.84;
  font-weight: 700;
  letter-spacing: -0.065em;
}
.pd-color__big strong small {
  font-size: 0.2em;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--red-bright);
  margin-left: 10px;
  vertical-align: 1.6em;
}
.pd-color__big span {
  display: block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}
.pd-color__copy h2 {
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.pd-color__copy p {
  margin-top: 20px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 520px;
}
.pd-color__bar {
  position: relative;
  margin-top: clamp(30px, 3.6vw, 46px);
  height: 92px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: #000;
}
.pd-color__bar i {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
      #12060a 0%, #3d0b16 8%, #8f1b24 18%, #d8492b 28%,
      #e8a13a 38%, #efe0a0 47%, #9fc98d 56%, #4f9bb5 66%,
      #3a5f9e 76%, #2a2b52 86%, #0b0b12 100%);
  filter: saturate(1.05);
}
.pd-color__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 23px, rgba(0, 0, 0, 0.28) 23px 24px);
  opacity: 0.5;
}
.pd-color__bar span {
  position: absolute;
  z-index: 2;
  bottom: 8px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.62);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}
.pd-color__bar span:first-of-type {
  left: 12px;
}
.pd-color__bar span:last-of-type {
  right: 12px;
}
.pd-color__legend {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

/* 工作流三步 */
.pd-flow {
  border-top: 0;
  padding-top: clamp(56px, 6vw, 92px);
}
.pd-flow__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(36px, 4.4vw, 58px);
  border: 1px solid var(--line);
  background: var(--line);
}
.pd-flow__step {
  position: relative;
  padding: clamp(26px, 3vw, 40px);
  background: var(--bg-1);
  min-width: 0;
}
.pd-flow__step em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--red-bright);
}
.pd-flow__step h3 {
  margin-top: 18px;
  font-size: clamp(18px, 1.8vw, 23px);
  font-weight: 650;
  letter-spacing: -0.015em;
}
.pd-flow__step p {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* 软件界面框 */
.pd-app {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  overflow: hidden;
  background: #0a0a0c;
  box-shadow: 0 50px 120px -40px rgba(0, 0, 0, 0.9), 0 0 0 6px rgba(255, 255, 255, 0.015);
}
.pd-app__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #111114;
}
.pd-app__bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2a2a30;
}
.pd-app__bar i:first-child {
  background: #4a1113;
}
.pd-app__bar span {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: #8b8b94;
  text-transform: uppercase;
}
.pd-app img {
  display: block;
  width: 100%;
  height: auto;
}
.pd-app__cap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #0d0d10;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--dim);
  text-transform: uppercase;
}
.pd-app__cap b {
  color: var(--red-bright);
  font-weight: 500;
}

/* 规格 / FAQ 双栏版式 */
.pd-faq__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(30px, 6vw, 100px);
  align-items: start;
}
.pd-faq__intro {
  position: sticky;
  top: calc(var(--nav-h) + 40px);
}
.pd-faq__intro .hp-h2 {
  margin-top: 20px;
}
.pd-faq__intro p {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 380px;
}

/* K1 页三卖点 */
.pd-k1-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.pd-k1-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 2.8vw, 38px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008));
  min-height: 320px;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.pd-k1-card:hover {
  border-color: rgba(225, 37, 27, 0.42);
}
.pd-k1-card__icon {
  width: 42px;
  height: 42px;
  color: var(--red-bright);
  margin-bottom: 26px;
}
.pd-k1-card__icon svg {
  width: 100%;
  height: 100%;
}
.pd-k1-card h3 {
  font-size: clamp(20px, 2vw, 25px);
  font-weight: 650;
  letter-spacing: -0.015em;
}
.pd-k1-card p {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}
.pd-k1-card__spec {
  margin-top: auto;
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.pd-k1-card__spec b {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* K1 产品大图（黑底融合） */
.pd-immersive {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 0;
  overflow: hidden;
  background: #050506;
}
.pd-immersive img {
  width: 100%;
  height: auto;
  display: block;
}
.pd-immersive::before,
.pd-immersive::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 12%;
  z-index: 2;
  pointer-events: none;
}
.pd-immersive::before {
  top: 0;
  background: linear-gradient(180deg, #050506, transparent);
}
.pd-immersive::after {
  bottom: 0;
  background: linear-gradient(0deg, #050506, transparent);
}

/* 产品页购买栏补充 */
body[data-page="k1"] main {
  padding-bottom: 74px;
}
.buy-bar__price .buy-bar__from {
  display: block;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--dim);
  font-weight: 400;
}
.buy-bar__actions .btn-ghost {
  border-color: rgba(255, 255, 255, 0.24);
}

/* --------------------------------------------------------------------------
   10. 产品中心页
   -------------------------------------------------------------------------- */
.pp-hero {
  position: relative;
  padding: calc(var(--nav-h) + clamp(90px, 12vw, 170px)) 0 clamp(56px, 7vw, 96px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #060607;
}
.pp-hero::before {
  content: "";
  position: absolute;
  right: -6%;
  top: -46%;
  width: 62vw;
  height: 62vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(225, 37, 27, 0.16), transparent 62%);
  filter: blur(24px);
  pointer-events: none;
}
.pp-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(30px, 6vw, 90px);
  align-items: end;
}
.pp-hero h1 {
  margin-top: 22px;
  font-size: clamp(44px, 6.4vw, 96px);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.045em;
  text-wrap: balance;
  animation: fade-up 1s var(--ease) both;
}
.pp-hero__lead {
  max-width: 460px;
  font-size: clamp(14.5px, 1.15vw, 16.5px);
  line-height: 1.9;
  color: var(--muted);
  animation: fade-up 1s var(--ease) 0.12s both;
}
.pp-hero__index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--dim);
  animation: fade-in 1.1s var(--ease) 0.24s both;
}
.pp-hero__index b {
  color: var(--muted);
  font-weight: 500;
}
.pp-card {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  min-height: clamp(380px, 36vw, 520px);
  border: 1px solid var(--line);
  background: #08080a;
  overflow: hidden;
  transition: border-color 0.4s var(--ease);
}
.pp-card:hover {
  border-color: rgba(225, 37, 27, 0.42);
}
.pp-card + .pp-card {
  margin-top: 14px;
}
.pp-card--rev .pp-card__media {
  order: 2;
}
.pp-card__media {
  position: relative;
  overflow: hidden;
  background: #000;
  min-height: 300px;
}
.pp-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.3s var(--ease);
}
.pp-card:hover .pp-card__media img {
  transform: scale(1.03);
}
.pp-card--assistant .pp-card__media {
  background: radial-gradient(120% 120% at 70% 14%, rgba(225, 37, 27, 0.14), transparent 58%),
    linear-gradient(160deg, #111114, #060608);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8%;
}
.pp-card--assistant .pp-card__media img {
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.9);
}
.pp-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 55%, rgba(8, 8, 10, 0.85) 100%);
  pointer-events: none;
}
.pp-card--rev .pp-card__media::after {
  background: linear-gradient(270deg, transparent 55%, rgba(8, 8, 10, 0.85) 100%);
}
.pp-card--assistant .pp-card__media::after {
  display: none;
}
/* 浅色媒体板（白底产品图，例如 SG-K1） */
.pp-card--light .pp-card__media {
  background: #f2f2f4;
}
.pp-card--light .pp-card__media img {
  filter: none;
}
.pp-card--light .pp-card__media::after {
  display: none;
}
.pp-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 3.6vw, 56px);
  min-width: 0;
}
.pp-card__tags {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}
.pp-card__body h2 {
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.pp-card__body h2 small {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--red-bright);
}
.pp-card__body > p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 480px;
}
.pp-card__points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  color: var(--dim);
}
.pp-card__points b {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}
.pp-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 28px;
}
.pp-access__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.pp-access__item {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(24px, 2.8vw, 36px);
  border: 1px solid var(--line);
  background: var(--bg-1);
  transition: border-color 0.35s, transform 0.45s var(--ease);
}
.pp-access__item:hover {
  border-color: rgba(225, 37, 27, 0.42);
  transform: translateY(-3px);
}
.pp-access__item svg {
  width: 26px;
  height: 26px;
  color: var(--red-bright);
}
.pp-access__item h3 {
  font-size: 19px;
  font-weight: 650;
}
.pp-access__item p {
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--dim);
}
.pp-access__item span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}
.pp-access__item:hover span {
  color: var(--red-bright);
}
.pp-access__item span svg {
  width: 13px;
  height: 13px;
  color: currentColor;
}
.pp-service {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(30px, 6vw, 100px);
  align-items: center;
  padding: clamp(36px, 4.6vw, 64px);
  border: 1px solid var(--line);
  background: radial-gradient(90% 130% at 88% 6%, rgba(225, 37, 27, 0.1), transparent 58%),
    var(--bg-1);
}
.pp-service h2 {
  margin-top: 18px;
  font-size: clamp(26px, 2.9vw, 40px);
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: -0.028em;
}
.pp-service p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 460px;
}
.pp-service__links {
  display: grid;
  border-top: 1px solid var(--line);
}
.pp-service__links a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.3s, padding 0.3s var(--ease);
}
.pp-service__links a:hover {
  color: var(--red-bright);
  padding-left: 6px;
}
.pp-service__links b {
  font-size: 14.5px;
  font-weight: 600;
}
.pp-service__links em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--dim);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   11. 响应式
   -------------------------------------------------------------------------- */
/* 产品页锚点落在固定导航下方 */
body[data-page="a1"] [id],
body[data-page="k1"] [id] {
  scroll-margin-top: calc(var(--nav-h) + 58px);
}
.buy-bar__price strong small {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--dim);
}

@media (max-width: 1200px) {
  .hp-mcard--a1 {
    min-height: 480px;
  }
  .hp-store__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hp-shopcard__media {
    aspect-ratio: 16 / 12;
    max-height: 380px;
  }
  .hp-news__item {
    grid-template-columns: 100px minmax(0, 1fr) 26px;
  }
  .hp-news__cat {
    display: none;
  }
  .hp-hero__media {
    width: 72%;
  }
}

@media (max-width: 1024px) {
  .hp-sechead {
    grid-template-columns: 1fr;
    gap: 22px;
    align-items: start;
  }
  .hp-aside {
    max-width: 620px;
  }
  .hp-hero {
    min-height: auto;
    padding-top: 0;
  }
  .hp-hero__media {
    position: relative;
    inset: auto;
    top: auto;
    right: auto;
    transform: none;
    width: 100%;
    height: clamp(300px, 46svh, 460px);
    margin-top: 0;
    order: 0;
  }
  .hp-hero__media::after {
    background: linear-gradient(180deg, rgba(5, 5, 6, 0.62) 0%, rgba(5, 5, 6, 0.2) 34%, rgba(5, 5, 6, 0.92) 88%, #050506 100%);
  }
  .hp-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 40% 42%;
  }
  .hp-hero__inner {
    padding: clamp(30px, 5vh, 52px) 0 clamp(34px, 5vh, 56px);
  }
  .hp-hero h1 {
    font-size: clamp(44px, 7.4vw, 80px);
  }
  .hp-hero__strip-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hp-hero__stat:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .hp-hero__stat:nth-child(4) {
    border-top: 1px solid var(--line);
  }
  .hp-manifesto__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hp-matrix__grid {
    grid-template-columns: 1fr;
  }
  .hp-mcard--a1,
  .hp-mcard--k1,
  .hp-mcard--assistant {
    grid-column: span 1;
    min-height: clamp(360px, 58vw, 460px);
  }
  .hp-mcard--a1::after {
    background: linear-gradient(180deg, rgba(5, 5, 6, 0.02) 20%, rgba(5, 5, 6, 0.5) 58%, rgba(5, 5, 6, 0.95) 100%);
  }
  .hp-mcard--a1 .hp-mcard__media img {
    object-position: 60% center;
    opacity: 0.9;
  }
  .hp-tech__grid {
    grid-template-columns: 1fr;
  }
  .hp-tech__item:nth-child(3) {
    border-bottom: 1px solid var(--line);
  }
  .hp-tech__item:last-child {
    border-bottom: 0;
  }
  .hp-tech__figure {
    aspect-ratio: 16 / 9;
  }
  .hp-scen__layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .hp-scen__intro {
    position: static;
    max-width: 640px;
  }
  .hp-store__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .hp-store__note {
    max-width: 560px;
    text-align: left;
  }
  .hp-trust__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hp-trust__stat:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .hp-trust__stat:nth-child(4) {
    border-top: 1px solid var(--line);
  }
  .hp-trust__services {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pd-hero h1 {
    font-size: clamp(80px, 17vw, 160px);
  }
  .pd-color__grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .pd-flow__grid {
    grid-template-columns: 1fr;
  }
  .pd-faq__layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .pd-faq__intro {
    position: static;
  }
  .pd-k1-grid {
    grid-template-columns: 1fr;
  }
  .pd-k1-card {
    min-height: 0;
  }
  .pp-hero__inner {
    grid-template-columns: 1fr;
    gap: 26px;
    align-items: start;
  }
  .pp-card,
  .pp-card--rev {
    grid-template-columns: 1fr;
  }
  .pp-card--rev .pp-card__media {
    order: 0;
  }
  .pp-card__media {
    min-height: 240px;
    max-height: 380px;
  }
  .pp-card__media::after,
  .pp-card--rev .pp-card__media::after {
    background: linear-gradient(180deg, transparent 62%, rgba(8, 8, 10, 0.85) 100%);
  }
  .pp-access__grid {
    grid-template-columns: 1fr;
  }
  .pp-service {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hp-hero__inner {
    padding-top: 26px;
  }
  .hp-hero h1 {
    font-size: clamp(38px, 11.2vw, 56px);
    letter-spacing: -0.04em;
  }
  .hp-hero__lead {
    margin-top: 18px;
    font-size: 14.5px;
  }
  .hp-hero__meta {
    margin-top: 26px;
    gap: 8px 0;
  }
  .hp-hero__meta span {
    padding: 0 12px;
    font-size: 9.5px;
  }
  .hp-hero__cta .btn {
    --btn-h: 46px;
    padding: 0 20px;
    font-size: 13px;
  }
  .hp-hero__stat {
    padding: 15px 16px 15px 0;
  }
  .hp-hero__stat + .hp-hero__stat {
    padding-left: 16px;
  }
  .hp-hero__stat strong {
    font-size: 16px;
  }
  .hp-hero__stat span {
    font-size: 9px;
    letter-spacing: 0.1em;
  }
  .hp-manifesto__title {
    font-size: clamp(28px, 8.4vw, 40px);
  }
  .hp-h2 {
    font-size: clamp(28px, 8vw, 38px);
  }
  .hp-section {
    padding: clamp(64px, 16vw, 88px) 0;
  }
  .hp-sechead {
    margin-bottom: 32px;
  }
  .hp-aside {
    font-size: 13.5px;
  }
  .hp-mcard__body {
    padding: 24px 22px 28px;
  }
  .hp-mcard h3 {
    font-size: clamp(26px, 8vw, 34px);
  }
  .hp-mcard--a1,
  .hp-mcard--k1,
  .hp-mcard--assistant {
    min-height: 420px;
  }
  .hp-tech__figure {
    aspect-ratio: 4 / 3;
  }
  .hp-tech__figure-copy strong {
    font-size: clamp(40px, 13vw, 62px);
  }
  .hp-scen__item {
    grid-template-columns: 34px minmax(0, 1fr) 22px;
    gap: 12px;
    padding: 22px 0;
  }
  .hp-scen__item::before {
    left: -10px;
  }
  .hp-scen__item blockquote {
    font-size: 13px;
    line-height: 1.85;
  }
  .hp-store__grid {
    grid-template-columns: 1fr;
  }
  .hp-shopcard {
    display: flex;
  }
  .hp-shopcard__media {
    aspect-ratio: 4 / 3.2;
    max-height: none;
  }
  .hp-shopcard__body {
    padding: 16px 4px 2px;
  }
  .hp-shopcard__name {
    font-size: 17px;
  }
  .hp-shopcard__foot {
    padding-top: 14px;
  }
  .hp-store__error {
    grid-template-columns: 1fr;
  }
  .hp-trust__stats {
    grid-template-columns: 1fr 1fr;
  }
  .hp-trust__num {
    font-size: clamp(30px, 9vw, 40px);
  }
  .hp-trust__services {
    grid-template-columns: 1fr;
  }
  .hp-trust__service {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    column-gap: 14px;
    row-gap: 6px;
    align-items: start;
    padding: 20px;
  }
  .hp-trust__service svg {
    grid-column: 1;
    grid-row: 1;
    margin-top: 2px;
  }
  .hp-trust__service strong {
    grid-column: 2;
    grid-row: 1;
  }
  .hp-trust__service span {
    grid-column: 2;
    grid-row: 2;
  }
  /* 相机助手卡在手机上改为「上面图、下面字」，避免文字压在软件截图上 */
  .hp-mcard--assistant {
    min-height: 0;
  }
  .hp-mcard--assistant .hp-mcard__media {
    position: relative;
    inset: auto;
    height: 230px;
    order: 0;
  }
  .hp-mcard--assistant .hp-mcard__media img {
    padding: 5% 9%;
  }
  .hp-mcard--assistant::after {
    display: none;
  }
  .hp-news__item {
    grid-template-columns: minmax(0, 1fr) 22px;
    gap: 8px 14px;
    padding: 20px 0;
  }
  .hp-news__date {
    grid-column: 1 / -1;
  }
  .hp-news__main p {
    -webkit-line-clamp: 2;
  }
  /* 移动端产品 Hero：主图在上、文字在下（同首页），避免文字压在产品图上 */
  .pd-hero {
    display: flex;
    flex-direction: column;
    min-height: auto;
    padding-top: 0;
  }
  .pd-hero__media {
    position: relative;
    inset: auto;
    top: auto;
    right: auto;
    transform: none;
    width: 100%;
    height: 42svh;
    min-height: 250px;
    order: 1;
  }
  .pd-hero__media img,
  .pd-hero--k1 .pd-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 52% 44%;
    filter: brightness(0.82) saturate(0.94);
    -webkit-mask-image: none;
    mask-image: none;
  }
  .pd-hero--k1 .pd-hero__media img {
    object-position: 50% 50%;
  }
  .pd-hero__media::after {
    background: linear-gradient(180deg, rgba(5, 5, 6, 0.5) 0%, transparent 24%, rgba(5, 5, 6, 0.38) 74%, #050506 100%);
  }
  .pd-hero__inner {
    order: 2;
    padding: 26px 0 46px;
  }
  .pd-hero h1 {
    font-size: clamp(64px, 20vw, 96px);
  }
  .pd-hero__tagline {
    font-size: clamp(19px, 5.6vw, 25px);
  }
  .pd-hero__meta span {
    padding: 0 10px;
    font-size: 9.5px;
  }
  .pd-hero__badge {
    display: none;
  }
  .pd-statement p {
    font-size: clamp(21px, 6.4vw, 30px);
    line-height: 1.42;
  }
  .pd-color__big strong {
    font-size: clamp(78px, 26vw, 120px);
  }
  .pd-color__bar {
    height: 72px;
  }
  .pd-flow__step {
    padding: 22px;
  }
  .pd-app__cap {
    font-size: 8.5px;
  }
  .pp-hero {
    padding-top: calc(var(--nav-h) + 56px);
  }
  .pp-hero h1 {
    font-size: clamp(36px, 10.6vw, 52px);
  }
  .pp-card__body {
    padding: 24px 20px 28px;
  }
  .pp-card__body h2 {
    font-size: clamp(25px, 7.6vw, 32px);
  }
  .pp-service {
    padding: 24px 20px;
  }
}

/* --------------------------------------------------------------------------
   12. 动效降级
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .hp-hero__media img,
  .pd-hero__media img,
  .hp-hero__eyebrow,
  .hp-hero h1,
  .hp-hero__lead,
  .hp-hero__cta,
  .hp-hero__meta,
  .pd-hero__kicker,
  .pd-hero h1,
  .pd-hero__tagline,
  .pd-hero__lead,
  .pd-hero__cta,
  .pd-hero__meta,
  .pp-hero h1,
  .pp-hero__lead,
  .pp-hero__index {
    animation: none !important;
  }
  .hp-mcard__media img,
  .hp-tech__figure img,
  .pp-card__media img,
  .hp-shopcard__media img,
  .hp-shopcard,
  .hp-mcard__cta svg,
  .hp-scen__arrow {
    transition: none !important;
  }
  .hp-skel::after {
    animation: none;
  }
  .hp-hero__eyebrow i,
  .pd-hero__kicker i {
    animation: none;
  }
}