/**
 * PC / 桌面端样式（与 H5 设计不一致，独立维护）
 * 仅通过 media="(min-width: 1024px)" 加载。
 * 画册比例参考 Figma 960 帧，站点内容宽按 --pc-frame 放大（默认 1200）
 * 关于我们：Figma 104:143（01）/ 104:321（02）
 *
 * 字号阶梯（贴近常见企业站）：正文 16、辅文 14–15、标题 20/28/36
 */

body {
  font-size: 16px;
  line-height: 1.65;
}

html[data-layout="pc"] {
  overflow-x: clip;
}

html[data-layout="pc"] body {
  overflow-x: clip;
}

/* ----- 顶栏 ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(44, 80, 154, 0.08);
}

.header-inner {
  width: min(1200px, calc(100% - 64px));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

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

.brand-text strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--blue);
  line-height: 1.2;
}

.brand-text small {
  font-size: 15px;
  color: var(--muted);
}

.nav-toggle {
  display: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px 20px;
}

.site-nav a {
  position: relative;
  font-size: 16px;
  color: var(--gray);
  padding: 6px 0;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--blue);
}

.site-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--yellow);
  border-radius: 1px;
}

.h5-only {
  display: none !important;
}

.pc-only {
  display: revert;
}

/* ----- 首页封面 · Figma 101:3（960×540） ----- */
.pc-home-hero {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0;
  height: 0;
  padding-bottom: 56.25%; /* 540 / 960 */
  overflow: hidden;
  background: #fff;
  scroll-margin-top: calc(var(--header-h) + var(--scroll-anchor-gap));
}

.pc-home-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.pc-home-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.pc-home-hero__fade {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 1;
  pointer-events: none;
}

.pc-home-hero__fade--top {
  top: 0;
  height: 33%;
  background: linear-gradient(180deg, #fff 36%, rgba(255, 255, 255, 0) 100%);
}

.pc-home-hero__fade--bottom {
  bottom: 0;
  height: 32%;
  background: linear-gradient(0deg, #fff 29%, rgba(255, 255, 255, 0) 100%);
}

.pc-home-hero__inner {
  position: absolute;
  inset: 0;
  z-index: 2;
  box-sizing: border-box;
  width: min(960px, 100%);
  margin-inline: auto;
  left: 0;
  right: 0;
  padding: 7.4% 24px 6.3%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pc-home-hero__copy {
  width: min(607px, 92%);
  margin-top: 0;
  text-align: center;
}

.pc-home-hero__title {
  margin: 0;
  font-size: clamp(32px, 5.625vw, 54px);
  font-weight: 700;
  line-height: 1.172;
  letter-spacing: 0.1em;
  color: #1e1e1e;
}

.pc-home-hero__tagline {
  margin: 0.8em 0 0;
  font-size: clamp(12px, 1.35vw, 13px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.17em;
  color: #686868;
}

.pc-home-hero__company {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding-bottom: 2px;
}

.pc-home-hero__company img {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
}

.pc-home-hero__company span {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.24em;
  color: #000;
}

/* ----- 主体容器（PC 宽屏，比例对齐画册） ----- */
.about-page {
  --pc-frame: 1200px;
  --pc-pad-x: 48px;
  position: relative;
  overflow-x: clip;
  overflow-y: visible;
  padding: 24px 0 0;
  background: #fff;
  min-height: calc(100vh - var(--header-h));
}

.about-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(245, 245, 245, 0.92) 0%,
      rgba(245, 245, 245, 0.35) 28%,
      rgba(255, 255, 255, 0.2) 55%,
      rgba(255, 255, 255, 0.85) 100%
    ),
    url("../assets/pc-about-bg.png") center top / cover no-repeat;
  pointer-events: none;
}

.container {
  width: min(var(--pc-frame), calc(100% - 64px));
  margin-inline: auto;
}

.site-header .header-inner {
  width: min(1200px, calc(100% - 64px));
}

.about-content {
  position: relative;
  z-index: 1;
  width: min(var(--pc-frame), calc(100% - 64px));
  margin-inline: auto;
  box-sizing: border-box;
}

.section-head {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  width: 100%;
  margin: 0 0 32px;
  padding: 0 0 10px;
  box-sizing: border-box;
}

.section-head h1,
.section-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--blue);
  line-height: 1.4;
}

.section-en {
  margin-top: 2px;
  font-size: 16px;
  font-weight: 200;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-num {
  font-size: 15px;
  color: var(--muted);
  padding-top: 5px;
}

.section-line {
  position: absolute;
  left: 85px;
  right: 0;
  bottom: 0;
  height: 1px;
  background: #dfe4ef;
}

/* ----- 关于我们 01：简介 / 愿景 / 三卡 ----- */
.company-identity {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: min(640px, 100%);
  margin: 16px auto 48px;
}

.company-logo-wrap {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 4px 13px rgba(0, 0, 0, 0.05);
  border: 0.5px solid #efefef;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.company-logo-wrap img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.company-name {
  font-size: 36px;
  font-weight: 600;
  color: #222;
  line-height: 1.17;
  letter-spacing: 0.01em;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 40px clamp(48px, 5vw, 80px);
  align-items: start;
  width: 100%;
  margin: 0;
}

.about-copy {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.block-title {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  font-size: 20px;
  font-weight: 600;
  color: #000;
  line-height: 1.4;
}

.block-title img {
  width: 24px;
  height: 18px;
  object-fit: contain;
}

.info-block p {
  font-size: 15px;
  line-height: 1.67;
  color: #1e1e1e;
  text-align: justify;
}

.vision-block {
  margin-top: 0;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
  align-items: stretch;
}

.feature-card {
  background: #fff;
  border-radius: 8px;
  box-shadow: none;
  overflow: hidden;
  min-height: 300px;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: none;
  box-shadow: none;
}

.feature-card-head {
  height: 43px;
  padding: 0 8px;
  display: grid;
  place-items: center;
  background: var(--blue);
  color: #fff;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  border-radius: 0;
}

.feature-card ul,
.feature-card ol {
  flex: 1;
  padding: 22px 10px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 22px;
}

.feature-card li {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: #000;
  text-align: center;
}

.feature-list-plain {
  gap: 22px !important;
}

.feature-list-plain .dots {
  letter-spacing: 0.08em;
}

.service-flow {
  gap: 12px !important;
}

.service-flow li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
}

.service-flow li:not(:last-child)::after {
  content: "";
  width: 11px;
  height: 11px;
  background: url("../assets/arrow-down.svg") center / contain no-repeat;
  opacity: 0.9;
}

/* ----- 关于我们 02：Figma 104:321 ----- */
.about-part-2 {
  position: relative;
  margin-top: 72px;
  padding: 8px 0 24px;
}
.section-head--about-2 {
  margin-bottom: 32px;
}

.section-head--about-2 .section-line {
  left: 85px;
}

.about-grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  column-gap: clamp(48px, 8vw, 127px);
  width: 100%;
}

.values-panel {
  min-width: 0;
}
.values-panel .block-title {
  margin-bottom: 20px;
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.value-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
  box-shadow: none;
}

.value-card:hover {
  transform: none;
  box-shadow: none;
}

.value-thumb {
  width: 60px;
  height: 78px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.value-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding-top: 0;
}

.value-body h4 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: #000;
  text-align: left;
  margin: 0;
}

.value-body p {
  font-size: 15px;
  line-height: 1.55;
  color: #555;
  margin: 0;
}

.brand-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.brand-logo-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
}

.brand-panel .block-title {
  align-self: stretch;
  margin-bottom: 32px;
  font-size: 22px;
}

.brand-panel .block-title img {
  width: 26px;
  height: 20px;
}

.brand-logo-wrap {
  width: min(220px, 100%);
  margin: 0 auto 28px;
}

.brand-logo-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.brand-desc {
  width: 100%;
  font-size: 16px;
  line-height: 1.75;
  color: #1e1e1e;
  text-align: justify;
  margin: 0 0 32px;
  text-indent: 2em;
}

.brand-visual {
  display: flex;
  justify-content: center;
  margin-top: 0;
}

.brand-photo {
  margin: 0 auto;
  width: min(250px, 100%);
}

.brand-photo img {
  width: 100%;
  height: auto;
  display: block;
  border: 4.6px solid #501301;
  box-shadow: 0 7px 17px rgba(0, 0, 0, 0.29);
  border-radius: 0;
}

/* ----- 导览：Figma 103:3（画册「目录」→ 官网「导览」） ----- */
.guide-section {
  position: relative;
  isolation: isolate;
  margin-top: 72px;
  padding: 40px 0 64px;
  overflow: hidden;
  background: #fff;
}

.guide-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.92) 0%,
      rgba(255, 255, 255, 0.55) 42%,
      rgba(255, 255, 255, 0.35) 100%
    ),
    url("../assets/guide-bg.png") center / cover no-repeat;
  pointer-events: none;
}

.guide-section > .section-head,
.guide-section > .guide-nav {
  position: relative;
  z-index: 1;
}

.section-head--guide {
  margin-bottom: 48px;
}

.section-head--guide .section-line {
  left: 72px;
}

.guide-nav {
  position: relative;
  width: 100%;
  padding: 8px 0 0;
}

.guide-cols {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  column-gap: clamp(16px, 2.2vw, 36px);
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: start;
}

.guide-col {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  justify-items: center;
  text-align: center;
  min-width: 0;
}

.guide-num {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
  font-weight: 300;
  line-height: 1.4;
  color: #8a8a8a;
}

.guide-title {
  display: block;
  margin-bottom: 18px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: #000;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.guide-title:hover {
  color: var(--blue);
}

.guide-dot {
  position: relative;
  z-index: 2;
  width: 10px;
  height: 10px;
  margin: 0 0 28px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px #fff;
}

.guide-axis {
  position: absolute;
  left: 5%;
  right: 5%;
  top: 78px;
  height: 1px;
  background: #efefef;
  z-index: 1;
  pointer-events: none;
}

.guide-subs {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  width: 100%;
}

.guide-subs a {
  display: block;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  color: #4d4d4d;
  transition: color 0.2s ease;
}

.guide-subs a:hover {
  color: var(--blue);
}

.guide-col:nth-child(3) .guide-subs a,
.guide-col:nth-child(4) .guide-subs a,
.guide-col:nth-child(5) .guide-subs a {
  font-size: 14px;
}

/* ----- 团队介绍：Figma 105:3 / 105:97 / 105:231 / 105:341 ----- */
.team-section {
  --section-pad-x: 0;
  --section-pad-top: 72px;
  --section-pad-bottom: 0;
  margin-top: 72px;
  padding: var(--section-pad-top) var(--section-pad-x) var(--section-pad-bottom);
}

/* 03 概览：左文案 + 右岗位竖卡 */
.team-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.95fr);
  column-gap: clamp(48px, 6vw, 86px);
  row-gap: 20px;
  align-items: center;
  margin: 8px 0 0;
}

.team-overview .team-lead:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
}

.team-overview .team-lead:nth-child(2) {
  grid-column: 1;
  grid-row: 2;
  margin: 0;
}

.team-lead {
  font-size: 15px;
  line-height: 1.85;
  color: #1e1e1e;
  text-align: justify;
  text-indent: 2em;
}

.role-cards {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 0;
  list-style: none;
  padding: 0;
}

.role-card {
  position: relative;
  min-height: 82px;
  padding: 16px 20px 16px 26px;
  background: #fff;
  border-radius: 0;
  box-shadow: none;
  border: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.role-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--blue);
}

.role-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--blue);
  margin: 0 0 10px;
  line-height: 1.4;
}

.role-card p {
  font-size: 16px;
  line-height: 1.4;
  color: #555;
  margin: 0;
}

/* 04–06 成员页眉 */
.section-head--member {
  margin-top: 72px;
  margin-bottom: 28px;
}

.member-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.member-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  column-gap: clamp(24px, 3vw, 50px);
  row-gap: 20px;
  padding: 0;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.member-card .member-body {
  display: contents;
}

.member-hero {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 25px;
  row-gap: 10px;
  align-items: start;
  min-height: 0;
  padding: 0;
  background: none;
  margin-top: 80px;
}

.member-avatar {
  grid-column: 1;
  grid-row: 1 / span 2;
  width: 112px;
  height: 138px;
  object-fit: cover;
  border-radius: 8px;
  border: 2.25px solid rgba(255, 255, 255, 0.3);
  box-shadow: none;
  flex-shrink: 0;
  align-self: start;
}

.member-hero-info {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  grid-template-columns: auto auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 2px;
  align-items: center;
  padding: 4px 0 0;
}

.member-hero-info .block-title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 20px;
  color: #000;
}

.member-hero-info .block-title img {
  width: 24px;
  height: 18px;
}

.member-name {
  grid-column: 1;
  grid-row: 1;
  font-size: 30px;
  font-weight: 600;
  color: #000;
  line-height: 1.4;
  margin: 0;
}

.member-edu {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0;
  font-size: 16px;
  color: var(--blue);
  letter-spacing: 0;
}

/* 从业资历：头像右侧、姓名下方，无卡片 */
.member-hero .skill-card--bio {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
  color: #1e1e1e;
  align-self: start;
}

.member-hero .skill-card--bio .skill-tag {
  display: none;
}

.member-hero .skill-card--bio > p {
  font-size: 15px;
  line-height: 1.4;
  color: #1e1e1e;
  text-align: justify;
  margin: 0;
}

/* 能力 / 项目卡：白底细边 */
.member-card .skill-card--core,
.member-card .skill-card--business,
.member-card .skill-card--projects {
  position: relative;
  margin: 0;
  padding: 22px 18px 18px;
  border-radius: 12px;
  background: #fff;
  border: 0.5px solid #efefef;
  color: #222;
  box-shadow: none;
}

.member-card .skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: auto;
  padding: 0;
  border-radius: 0;
  background: none;
  color: #000;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 16px;
}

.member-card .skill-tag::before {
  content: "";
  width: 22px;
  height: 16px;
  flex-shrink: 0;
  background: url("../assets/icon-accent.svg") center / contain no-repeat;
}

.member-card .skill-card > p,
.member-card .skill-intro {
  font-size: 15px;
  line-height: 1.58;
  color: #222;
  text-align: justify;
  margin: 0;
  margin-bottom: 20px;
}

.member-card .skill-intro {
  display: none;
}
.li-col li {
  display: flex;
  flex-direction: column;
}

.member-card .project-chips {
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.member-card .project-chips li {
  min-height: 39px;
  padding: 10px 12px;
  border-radius: 6px;
  background: #f6f8fc;
  color: var(--blue);
  font-size: 16px;
  line-height: 1.4;
  box-shadow: none;
  margin-bottom: 10px;
}

.member-card .project-chips strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
}

.member-card .project-chips span {
  color: var(--blue);
}

.member-card .project-chips-meta li {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-height: 56px;
  padding: 10px 20px;
}

.member-card .project-chips-meta span {
  font-size: 15px;
  color: #6b87bf;
}

.member-card .project-chips-desc li {
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-height: 0;
  padding: 10px 14px;
}

.member-card .project-chips-desc strong {
  font-size: 15px;
}

.member-card .project-chips-desc span {
  font-size: 15px;
  line-height: 1.4;
  color: #7a7a7a;
}

/* 曾万均 04：左核心+商业 / 右政企项目 */
.member-card--zeng .skill-card--core {
  grid-column: 1;
  min-height: 148px;
}

.member-card--zeng .skill-card--business {
  grid-column: 1;
  min-height: 148px;
}

.member-card--zeng .skill-card--projects {
  grid-column: 2;
  grid-row: 2 / span 2;
  min-height: 0;
}

/* 李勃 05：左核心 / 右技术项目 */
.member-card--li .skill-card--core {
  grid-column: 1;
  min-height: 320px;
}

.member-card--li .skill-card--projects {
  grid-column: 2;
  min-height: 320px;
}

/* 蒋志杰 06：左窄核心+商业 / 右宽 2×2 标杆 */
.member-card--jiang {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr);
  column-gap: clamp(20px, 2.5vw, 40px);
}

.member-card--jiang .skill-card--core {
  grid-column: 1;
  min-height: 172px;
}

.member-card--jiang .skill-card--business {
  grid-column: 1;
  min-height: 148px;
}

.member-card--jiang .skill-card--projects {
  grid-column: 2;
  grid-row: 2 / span 2;
  min-height: 0;
}

.member-card--jiang .project-chips-desc {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 14px;
}

.member-card--jiang .project-chips-desc li {
  display: flex;
}

/* ----- 核心业务：Figma 107:190 / 107:434 / 107:557 ----- */
.business-section {
  --section-pad-x: 0;
  --section-pad-top: 72px;
  --section-pad-bottom: 0;
  margin-top: 72px;
  padding: 0 var(--section-pad-x) var(--section-pad-bottom);
}

.business-section .section-line {
  left: 110px;
}

.section-head--biz {
  margin-top: 72px;
  margin-bottom: 36px;
}

.biz-block--software {
  margin-bottom: 0;
}

.biz-intro {
  font-size: 15px;
  line-height: 1.85;
  color: #1e1e1e;
  text-align: justify;
  margin: 8px 0 28px;
  max-width: none;
}

.biz-block--software .block-title {
  margin-bottom: 20px;
  font-size: 20px;
  color: #000;
}

.biz-grid,
.addon-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px clamp(36px, 4vw, 60px);
  max-width: none;
}

.biz-grid--part2 {
  margin-top: 0;
}

/* 行业卡：编号/标题压顶，白渐变底 + 右下水印 */
.biz-card {
  position: relative;
  padding-top: 13px;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.biz-card-head,
.addon-card-head {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0;
}

.biz-num {
  font-size: 20px;
  font-weight: 600;
  color: #000;
  line-height: 1.4;
  opacity: 1;
  paint-order: stroke fill;
  -webkit-text-stroke: 1px var(--blue);
  color: transparent; /* 字体颜色设置为透明 */
}

.biz-card-head h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--blue);
  line-height: 1.4;
  margin: 0;
}

.biz-card-body {
  position: relative;
  min-height: 104px;
  padding: 22px;
  border-radius: 8px;
  /* background: linear-gradient( 180deg, rgba(255,255,255,0) 0%, #FFFFFF 100%); */
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #ffffff 100%);
  border: none;
  box-shadow: none;
  overflow: hidden;
}

.biz-grid--part2 .biz-card-body {
  min-height: 87px;
}

.biz-card--ai .biz-card-body {
  min-height: 104px;
}

.biz-card-body p {
  position: relative;
  z-index: 1;
  font-size: 16px;
  line-height: 1.55;
  color: #474747;
  text-align: justify;
  margin: 0;
}

.biz-icon {
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 104px;
  height: 104px;
  object-fit: contain;
  pointer-events: none;
  z-index: 0;
  opacity: 0.9;
}

/* 09 配套增值：灰→蓝渐变卡，无水印 */
.biz-addon {
  margin-top: 0;
}

.biz-addon .block-title {
  margin-bottom: 48px;
  font-size: 20px;
  color: #000;
}

.addon-grid {
  width: min(820px, 100%);
  margin-inline: auto;
  gap: 50px clamp(48px, 5vw, 72px);
}

.addon-card {
  position: relative;
  padding-top: 13px;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.addon-card-head h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--blue);
  line-height: 1.4;
  margin: 0;
}

.addon-card-body {
  min-height: 87px;
  padding: 22px 29px 16px;
  border-radius: 8px;
  padding: 1px;
  overflow: hidden;
  position: relative;
}
.addon-card-body::after {
  content: "";
  display: block;
  width: 110%;
  height: 116%;
  background: linear-gradient(180deg, #fff 0%, #bbd1ff 100%);
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  transform: translateX(-10px) translateY(60px) rotate(-10deg);
}
.addon-card-p {
  background: linear-gradient(180deg, #fff 0%, #e9f0ff 100%);
  border-radius: 8px;
  padding: 28px 28px 40px;
}

.addon-card-body p {
  font-size: 16px;
  line-height: 1.55;
  color: #1e1e1e;
  text-align: justify;
  margin: 0;
}

/* ----- 合作流程：Figma 107:684（10）三列蛇形 ----- */
.process-section {
  --section-pad-x: 0;
  --section-pad-top: 72px;
  --section-pad-bottom: 0;
  margin-top: 72px;
  padding: var(--section-pad-top) var(--section-pad-x) var(--section-pad-bottom);
}

.process-section .section-line {
  left: 110px;
}

.process-intro {
  font-size: 15px;
  line-height: 1.85;
  color: #1e1e1e;
  text-align: justify;
  margin: 8px 0 36px;
  max-width: none;
}

/*
 * 蛇形阅读序：01→02→03↘04←05←06
 * 视觉网格：
 *  01  02  03
 *  06  05  04
 */
.process-timeline {
  --process-line: #cad2e3;
  --process-dot: 10px;
  /* 圆点 top:26px + 半径 5px，与 .process-step::after 对齐 */
  --process-dot-y: 31px;
  --process-frame-bottom: 31px;
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: none;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "s1 s2 s3"
    "s6 s5 s4";
  gap: 0;
  background: transparent;
  position: relative;
  overflow: hidden;
}
.process-timeline::after {
  content: "";
  display: block;
  width: 100%;
  position: absolute;
  top: var(--process-dot-y);
  bottom: var(--process-frame-bottom);
  left: 0;
  border: 1px solid #dfe3eb;
  border-left: none;
  border-radius: 50px;
  clip-path: inset(0 0 0 38px);
  pointer-events: none;
}
.process-step {
  position: relative;
  width: auto;
  align-self: stretch;
  margin: 0;
  padding: 13px 0 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-sizing: border-box;
  z-index: 1;
}

.process-step:nth-child(1) {
  grid-area: s1;
}

.process-step:nth-child(2) {
  grid-area: s2;
}

.process-step:nth-child(3) {
  grid-area: s3;
}

.process-step:nth-child(4) {
  grid-area: s4;
}

.process-step:nth-child(5) {
  grid-area: s5;
}

.process-step:nth-child(6) {
  grid-area: s6;
}

.process-step::after {
  content: "";
  position: absolute;
  width: var(--process-dot);
  height: var(--process-dot);
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--blue);
  box-sizing: border-box;
  z-index: 3;
  pointer-events: none;
  top: 26px;
  left: 33px;
}

.process-card-head {
  position: absolute;
  top: 0;
  left: 20px;
  right: auto;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 6px;
}

.process-card-head .biz-num {
  font-size: 20px;
  font-weight: 600;
  color: #000;
  line-height: 1.4;
  opacity: 1;
  paint-order: stroke fill;
  color: transparent;
  -webkit-text-stroke: 1px var(--blue);
}

.process-card-head h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--blue);
  line-height: 1.4;
}

.process-step > p {
  margin: 0;
  padding: 32px 38px 20px 59px;
  font-size: 16px;
  line-height: 1.55;
  color: #1e1e1e;
  text-align: justify;
}

.process-step--left > p,
.process-step--right > p {
  text-align: justify;
  padding-left: 29px;
  padding-right: 24px;
}

/* ----- 成功案例：Figma 107:819 … 118:239（11–21，含全屏帧） ----- */
.portfolio-section {
  --section-pad-top: 72px;
  width: 100vw;
  max-width: 100vw;
  margin: 72px 0 0;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: var(--section-pad-top) 0 0;
  box-sizing: border-box;
  overflow: hidden;
}

.portfolio-section > .section-head,
.section-head--case {
  width: min(var(--pc-frame), calc(100% - 64px));
  margin-inline: auto;
  padding-inline: var(--pc-pad-x);
  box-sizing: border-box;
}

.portfolio-section .section-line,
.section-head--case .section-line {
  left: 125px;
}

.section-head--case {
  margin-top: 72px;
  margin-bottom: 28px;
}

.section-head--case-light .section-title,
.section-head--case-light .section-en,
.section-head--case-light .section-num {
  color: #fff;
}

.section-head--case-light .section-en,
.section-head--case-light .section-num {
  color: rgba(255, 255, 255, 0.55);
}

.section-head--case-light .section-line {
  background: rgba(255, 255, 255, 0.15);
}

.portfolio-frames {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0;
}

.case {
  --case-accent: #68c305;
  --phone-w: 130px;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  background: transparent;
}

.case--fresh {
  --case-accent: #68c305;
}
.case--tcm {
  --case-accent: #6d3c22;
}
.case--nail {
  --case-accent: #fe8298;
}
.case--moto {
  --case-accent: #ff7701;
}
.case--pos {
  --case-accent: #22262d;
}

/* 全宽帧：突破内容栏 */
.case-frame--bleed {
  position: relative;
  width: 100%;
}

.case-frame--fullbleed {
  min-height: min(675px, 70vw);
}

.case-frame--dark {
  background: #111;
}

.case--tcm .case-frame--dark {
  background: #6d3c22;
}
.case--moto .case-frame--dark {
  background: #7b3b04;
}
.case--pos .case-frame--dark {
  background: #22262d;
}

.case-name {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.23;
  letter-spacing: 0.01em;
  color: #000;
}

.case-name--center {
  text-align: center;
  margin: 0 auto 12px;
  width: min(var(--pc-frame), calc(100% - 64px));
  padding-inline: var(--pc-pad-x);
  box-sizing: border-box;
}

.case-hero-desc {
  width: min(600px, calc(100% - 96px));
  margin: 0 auto 20px;
  font-size: 15px;
  line-height: 1.38;
  color: #666;
  text-align: center;
}

/* 封面：全屏铺图 + 文案叠层 */
.case-banner {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  background: transparent;
  min-height: 0;
}

.case-banner > img {
  width: 100%;
  height: auto;
  display: block;
}

.case-banner--fade-top {
  width: min(1100px, 106vw);
  margin-inline: auto;
  margin-top: 8px;
}

.case-banner--fade-top.case-banner--full {
  width: 100%;
  max-width: none;
  margin-inline: 0;
}

.case-banner--fade-top::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 42%;
  background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0) 100%);
  z-index: 1;
  pointer-events: none;
}

.case-banner--full {
  min-height: min(675px, 70vw);
}

.case-banner--cover > img,
.case-banner--full > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-banner-copy {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: clamp(48px, 8vw, 96px) clamp(48px, 7vw, 84px);
  pointer-events: none;
  box-sizing: border-box;
}

.case-banner-copy--left {
  align-items: flex-start;
  text-align: left;
  max-width: 480px;
}

.case-banner-copy--center {
  align-items: center;
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  width: 100%;
}

.case-banner-copy--middle {
  justify-content: center;
}

.case-banner-copy--bottom {
  justify-content: flex-end;
  padding-bottom: clamp(48px, 8vw, 100px);
}

.case-banner-copy--light .case-name,
.case-banner-copy--light p {
  color: #fff;
}

/* 封面叠字可选中复制（默认 pointer-events:none 会阻断选中） */
.case--tcm .case-banner-copy,
.case--pos .case-banner-copy {
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.case-banner-copy .case-name {
  font-size: clamp(36px, 4vw, 48px);
}

.case-banner-copy p {
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.82;
  max-width: 384px;
}

.case-banner-copy--center p {
  max-width: 547px;
}

/* 摩淘淘封面：文案在纯色条上，主图单独展示不叠字 */
.case--moto .case-frame--moto-hero.case-frame--fullbleed {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.case--moto .case-moto-hero-intro {
  flex: 0 0 auto;
  width: min(var(--pc-frame), calc(100% - 64px));
  margin-inline: auto;
  padding-top: 60px;
  text-align: center;
  box-sizing: border-box;
}

.case--moto .case-moto-hero-intro .case-name {
  margin: 0;
  color: #fff;
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.23;
}

.case--moto .case-moto-hero-intro p {
  margin: 18px auto 0;
  max-width: 547px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 16px;
  line-height: 1.82;
}

.case--moto .case-banner--moto-visual {
  position: relative;
  width: 100%;
  min-height: min(520px, 56vw);
  flex: 1 1 auto;
}

.case--moto .case-banner--moto-visual > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

/* 美甲封面：全屏底图 + 左文案 / 右主视觉两端对齐 */
.case--nail .case-frame--nail-hero.case-frame--fullbleed {
  width: 100%;
  max-width: none;
}

.case--nail .case-banner--nail-split {
  position: relative;
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  min-height: min(675px, 70vw);
  overflow: hidden;
  background: #1a0c18;
}

.case--nail .case-banner--nail-split::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(18, 8, 16, 0.72) 0%,
    rgba(18, 8, 16, 0.25) 38%,
    transparent 52%
  );
}

.case--nail .case-banner__bleed {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  pointer-events: none;
}

.case--nail .case-banner__split {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(24px, 4vw, 56px);
  width: min(var(--pc-frame), calc(100% - 64px));
  min-height: inherit;
  margin-inline: auto;
  padding: clamp(96px, 11vw, 132px) var(--pc-pad-x)
    clamp(56px, 7vw, 88px);
  box-sizing: border-box;
}

.case--nail .case-banner-copy--split {
  position: relative;
  inset: auto;
  flex: 0 1 384px;
  max-width: 384px;
  width: 36%;
  min-width: 280px;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  pointer-events: auto;
}

.case--nail .case-banner-copy--split .case-name {
  font-size: clamp(32px, 4.583vw, 44px);
  line-height: 1.226;
  margin: 0;
}

.case--nail .case-banner-copy--split p {
  margin-top: 18px;
  max-width: none;
  font-size: clamp(13px, 1.146vw, 16px);
  line-height: 1.82;
  text-align: justify;
}

.case--nail .case-banner__visual {
  flex: 1 1 52%;
  min-width: 42%;
  min-height: 1px;
}

.case--nail > .section-head--case-light {
  left: 50%;
  right: auto;
  width: min(var(--pc-frame), calc(100% - 64px));
  transform: translateX(-50%);
  margin-top: 20px;
  padding-inline: var(--pc-pad-x);
  box-sizing: border-box;
}

/* 功能四列：文案上、手机下 */
.case-frame--features {
  position: relative;
  padding: 28px clamp(32px, 5vw, 60px) 48px;
  box-sizing: border-box;
  overflow: hidden;
  background-color: #fff;
}

.case-features-bg {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, 120vw);
  height: auto;
  top: 22%;
  object-fit: contain;
  object-position: center;
  opacity: 0.58;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: linear-gradient(
    180deg,
    transparent 0%,
    #000 20%,
    #000 80%,
    transparent 100%
  );
  mask-image: linear-gradient(
    180deg,
    transparent 0%,
    #000 20%,
    #000 80%,
    transparent 100%
  );
}

/* 横版光斑（黑底 PNG）：正常叠加以保留深色光晕 */
.case--fresh .case-features-bg {
  top: 50%;
  width: min(1100px, 106vw);
  transform: translate(-50%, -50%);
  opacity: 0.62;
}

/* 横版线条（浅色 PNG，与生鲜同样正常叠加） */
.case--tcm .case-features-bg {
  top: 50%;
  width: min(960px, 100vw);
  transform: translate(-50%, -50%);
  mix-blend-mode: normal;
  opacity: 1;
  -webkit-mask-image: none;
  mask-image: none;
}

.case-features {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px clamp(28px, 3vw, 56px);
  width: min(1100px, 100%);
  margin-inline: auto;
  align-items: start;
}

.case-feat-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  min-width: 0;
}

.case-feat {
  position: relative;
  width: 100%;
  min-height: 135px;
  padding-top: 48px;
}

.case-feat-num {
  position: absolute;
  top: 0;
  left: 0;
  font-size: 68px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--case-accent);
  opacity: 0.18;
  pointer-events: none;
  user-select: none;
  mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
}

.case-feat h4 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--case-accent);
}

.case-feat p {
  position: relative;
  z-index: 1;
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.55;
  color: #1e1e1e;
  text-align: justify;
  max-width: none;
}

.case-phone {
  width: var(--phone-w);
  margin: 0;
  border-radius: 16px;
  border: 3px solid #000;
  overflow: hidden;
  background: #000;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
  flex-shrink: 0;
}

.case-phone img {
  width: 100%;
  display: block;
  aspect-ratio: 130 / 281.5;
  object-fit: cover;
  object-position: top center;
}

/* 深色全屏帧上的页眉叠在画面顶部 */
.case--tcm > .section-head--case-light,
.case--nail > .section-head--case-light,
.case--moto > .section-head--case-light,
.case--pos > .section-head--case-light {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 4;
  margin-top: 20px;
  pointer-events: none;
}

.case--tcm,
.case--nail,
.case--moto,
.case--pos {
  position: relative;
}

/* ----- 页脚：官网标准三栏 + 备案 ----- */
.site-footer {
  --pc-frame: 1200px;
  --pc-pad-x: 48px;
  background: #f5f7fb;
  color: var(--text);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.footer-inner {
  width: min(var(--pc-frame), calc(100% - 64px));
  margin-inline: auto;
  padding: 48px var(--pc-pad-x) 28px;
  box-sizing: border-box;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.58fr) minmax(300px, 1.22fr);
  gap: clamp(28px, 3.5vw, 48px);
  align-items: start;
}

.footer-contact {
  min-width: 0;
}

.footer-brand__link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.footer-brand__link:hover .footer-brand__name {
  color: var(--blue);
}

.footer-brand__logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.footer-brand__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand__name {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  transition: color 0.2s ease;
}

.footer-brand__company {
  font-size: 13px;
  line-height: 1.4;
  color: var(--gray);
}

.footer-brand__desc {
  margin: 16px 0 0;
  max-width: 360px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray);
}

.footer-col-title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

.footer-nav-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
}

.footer-nav-list a {
  font-size: 14px;
  line-height: 1.5;
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-nav-list a:hover {
  color: var(--blue);
}

.footer-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 24px;
  row-gap: 12px;
  align-items: start;
}

.footer-contact-list {
  list-style: none;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-qr {
  margin: 0;
  padding: 4px 0 0;
  text-align: center;
}

.footer-qr img {
  display: block;
  width: 96px;
  height: 96px;
  margin-inline: auto;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--white);
}

.footer-qr figcaption {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.35;
  color: var(--muted);
  white-space: nowrap;
}

.footer-contact-list li {
  display: grid;
  grid-template-columns: 3.25em minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 2px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  align-items: start;
}

.footer-contact-label {
  color: var(--muted);
  flex-shrink: 0;
}

.footer-contact-list a {
  color: var(--text);
  text-decoration: none;
  word-break: break-all;
}

.footer-contact-list a:hover {
  color: var(--blue);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.footer-copyright,
.footer-beian {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.footer-beian a {
  color: var(--muted);
  text-decoration: none;
}

.footer-beian a:hover {
  color: var(--blue);
}