:root {
  --ink: #111820;
  --muted: #606975;
  --line: #dfe3e7;
  --active: #eef0f2;
  --paper: #fbfcfd;
  --panel: #ffffff;
  --header-height: 76px;
  --shadow: 0 18px 38px rgba(17, 24, 32, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 1448px;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

.page-root {
  width: 1448px;
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  min-height: var(--header-height);
  padding: 0 clamp(24px, 5vw, 96px);
  background: rgba(251, 252, 253, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: none;
  color: var(--ink);
  font-size: 34px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  grid-column: 2;
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 86px;
  height: 42px;
  padding: 0 12px;
  border-radius: 5px;
  color: #26303a;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms ease, transform 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  background: var(--active);
  outline: none;
}

.edit-toggle {
  justify-self: end;
  height: 38px;
  padding: 0 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  cursor: pointer;
}

.edit-toggle.is-on {
  color: #fff;
  background: var(--ink);
}

.page-root {
  width: 100%;
  overflow: hidden;
}

.section {
  border-bottom: 1px solid var(--line);
}

.page-pad {
  padding-left: clamp(48px, 6vw, 96px);
  padding-right: clamp(48px, 6vw, 96px);
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1.235fr;
  min-height: 400px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  padding-left: clamp(48px, 6vw, 96px);
  padding-right: clamp(40px, 5vw, 80px);
}

.hero h1,
.page-title {
  margin: 0;
  font-size: clamp(58px, 5.6vw, 88px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: 0;
}

.subtitle {
  margin: 0;
  font-size: 26px;
  line-height: 1.6;
}

.body-copy {
  margin: 0;
  color: #3f4852;
  font-size: 18px;
  line-height: 2;
}

.image-layer {
  position: relative;
  overflow: hidden;
  background: #e9edf0;
}

.image-layer > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: transform 220ms ease;
}

.icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.hover-zoom {
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.hover-zoom:hover,
.hover-zoom:focus-within {
  transform: scale(1.024);
  box-shadow: var(--shadow);
  z-index: 3;
}

.hover-zoom:hover .image-layer > img,
.image-layer.hover-zoom:hover > img {
  transform: scale(1.04);
}

.editable {
  outline: 0;
}

.editable:hover,
.editable:focus {
  background: transparent;
}

body.copy-editing .site-nav a {
  cursor: text;
}

.mini-title,
.card-title,
.section-title {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.35;
}

.mini-text,
.card-copy,
.meta {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

.button-like {
  display: inline-flex;
  width: 182px;
  height: 54px;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-top: 12px;
  color: #fff;
  background: #111820;
  border-radius: 3px;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 18px;
  text-decoration: none;
}

.external-link {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(220px, 0.9fr) minmax(380px, 1.6fr) 120px;
  gap: 46px;
  align-items: center;
  min-height: 118px;
  padding: 24px clamp(48px, 6vw, 96px);
  border-top: 1px solid var(--line);
  font-size: 17px;
}

.footer-block {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  align-items: center;
}

.footer-social {
  display: flex;
  gap: 22px;
  align-items: center;
  padding-left: 60px;
  border-left: 1px solid var(--line);
}

.footer-social .icon {
  width: 30px;
  height: 30px;
}

.signature {
  justify-self: end;
  font-size: 22px;
}

/* Home */
body[data-page="home"] .hero {
  min-height: 472px;
}

body[data-page="home"] .hero-text {
  padding-top: 58px;
  justify-content: center;
}

body[data-page="home"] .hero-image {
  height: 472px;
}

.home-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 132px;
}

.home-feature {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  align-items: center;
  padding: 32px clamp(24px, 5vw, 96px);
  border-right: 1px solid var(--line);
}

.home-feature:last-child {
  border-right: 0;
}

.home-works {
  min-height: 276px;
  padding-top: 30px;
  padding-bottom: 38px;
}

.title-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.work-card {
  position: relative;
  height: 164px;
  color: #fff;
  background: #111820;
}

.work-card .image-layer {
  position: absolute;
  inset: 0;
  opacity: 0.78;
}

.work-card .card-title {
  position: absolute;
  left: 22px;
  bottom: 18px;
  z-index: 2;
  color: #fff;
}

body[data-page="home"] .footer-main {
  grid-template-columns: minmax(260px, 0.9fr) 1.4fr 130px;
  min-height: 128px;
}

/* About */
.about-page {
  padding-top: 48px;
}

.about-intro {
  display: grid;
  grid-template-columns: 398px 1fr;
  gap: 64px;
  align-items: start;
  padding-bottom: 26px;
}

.portrait {
  height: 507px;
}

.about-copy {
  padding-top: 24px;
}

.about-panels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 44px;
}

.panel {
  min-height: 238px;
  padding: 30px 28px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.panel ul {
  margin: 22px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.9;
}

.about-tags {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 36px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.tag-box {
  display: flex;
  height: 54px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid var(--line);
  font-size: 22px;
}

.about-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-bottom: 30px;
}

.about-gallery .image-layer {
  height: 164px;
}

/* Experience */
body[data-page="experience"] .hero {
  min-height: 214px;
  grid-template-columns: 1.18fr 1fr;
}

body[data-page="experience"] .hero-text {
  justify-content: center;
}

body[data-page="experience"] .hero h1 {
  font-size: 58px;
}

body[data-page="experience"] .hero-image {
  height: 214px;
}

.experience-main {
  display: grid;
  grid-template-columns: minmax(620px, 2.1fr) minmax(320px, 0.95fr);
  min-height: 504px;
}

.timeline-list {
  padding: 24px 44px 30px clamp(48px, 6vw, 90px);
}

.timeline-item {
  display: grid;
  grid-template-columns: 170px 30px 1fr 190px;
  gap: 24px;
  align-items: center;
  min-height: 154px;
  border-bottom: 1px solid var(--line);
}

.timeline-item:last-child {
  border-bottom: 0;
}

.dot-line {
  position: relative;
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: center;
}

.dot-line::before {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  content: "";
  background: var(--line);
}

.dot-line span {
  z-index: 1;
  width: 12px;
  height: 12px;
  background: var(--ink);
  border-radius: 999px;
}

.timeline-item .thumb {
  width: 190px;
  height: 94px;
  border-radius: 4px;
}

.experience-side {
  padding: 28px 78px 24px 50px;
  border-left: 1px solid var(--line);
}

.side-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  align-items: start;
  min-height: 114px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.side-card:last-child {
  border-bottom: 0;
}

.project-band {
  padding-top: 20px;
  padding-bottom: 16px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.project-card {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  height: 122px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}

.project-card .image-layer {
  height: 100%;
}

.project-text {
  padding: 20px;
}

/* Skills */
body[data-page="skills"] .hero {
  grid-template-columns: 0.95fr 1.6fr;
  min-height: 258px;
}

body[data-page="skills"] .hero h1 {
  font-size: 64px;
}

body[data-page="skills"] .hero-image {
  height: 258px;
}

.skills-band {
  padding-top: 44px;
  padding-bottom: 36px;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px 38px;
  margin-top: 26px;
}

.skill-card {
  min-height: 176px;
  padding: 30px;
  border: 1px solid var(--line);
  background: #fff;
}

.skill-head {
  display: flex;
  gap: 22px;
  align-items: center;
}

.progress {
  height: 7px;
  margin-top: 28px;
  background: #e8ebee;
  overflow: hidden;
  border-radius: 999px;
}

.progress span {
  display: block;
  width: var(--value, 72%);
  height: 100%;
  background: var(--ink);
}

.tool-work {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 210px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.tool-row,
.workstyle-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 22px;
  align-items: end;
}

.workstyle-row {
  grid-template-columns: repeat(4, 1fr);
}

.tool-zone {
  padding-right: 40px;
}

.workstyle-zone {
  padding-left: 40px;
  border-left: 1px solid var(--line);
}

.tool,
.workstyle {
  display: grid;
  justify-items: center;
  gap: 10px;
  color: var(--muted);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

/* Status */
body[data-page="status"] .hero {
  min-height: 382px;
  grid-template-columns: 0.93fr 1fr;
}

body[data-page="status"] .hero-image {
  height: 382px;
}

.status-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-height: 452px;
}

.status-column {
  padding: 54px 48px 42px 68px;
  border-right: 1px solid var(--line);
}

.status-column:last-child {
  border-right: 0;
}

.doing-row {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 22px;
  align-items: center;
  margin-top: 38px;
}

.reading-item {
  display: grid;
  grid-template-columns: 170px 1fr;
  align-items: center;
  width: 382px;
  height: 88px;
  margin-top: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.reading-item .image-layer {
  height: 88px;
}

.reading-text {
  padding: 12px 18px;
}

.update-line {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  margin-top: 138px;
  border-top: 2px solid #87909a;
}

.update-point {
  position: relative;
  padding-top: 26px;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.update-point::before {
  position: absolute;
  top: -7px;
  left: 40px;
  width: 11px;
  height: 11px;
  content: "";
  background: var(--ink);
  border-radius: 99px;
}

/* Contact */
body[data-page="contact"] .hero {
  min-height: 350px;
  grid-template-columns: 0.83fr 1fr;
}

body[data-page="contact"] .hero-image {
  height: 350px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.15fr 1.15fr;
  min-height: 468px;
  padding-top: 50px;
  padding-bottom: 44px;
}

.contact-col {
  padding: 0 56px;
  border-right: 1px solid var(--line);
}

.contact-col:last-child {
  border-right: 0;
}

.contact-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  align-items: center;
  margin-top: 42px;
}

.social-row {
  display: flex;
  gap: 36px;
  margin-top: 34px;
}

.field {
  width: 100%;
  min-height: 54px;
  margin-top: 20px;
  padding: 16px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.field.large {
  min-height: 112px;
}

.submit {
  margin-top: 26px;
}

.pref-row {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  align-items: center;
  margin-top: 30px;
}

.quote-band {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: center;
  min-height: 108px;
  color: #39424c;
  font-size: 22px;
}

.quote-mark {
  color: #65707c;
  font-family: Georgia, serif;
  font-size: 80px;
  line-height: 1;
}

body[data-page="contact"] .footer-main {
  grid-template-columns: 1fr auto;
  min-height: 88px;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
}

/* Mobile */
@media (max-width: 980px) {
  body {
    min-width: 320px;
  }

  .site-header,
  .page-root {
    width: 100%;
  }

  .site-header {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 18px 18px 12px;
  }

  .brand,
  .edit-toggle {
    justify-self: center;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .site-nav a {
    min-width: max-content;
    height: 38px;
    font-size: 14px;
  }

  .hero,
  body[data-page="experience"] .hero,
  body[data-page="skills"] .hero,
  body[data-page="status"] .hero,
  body[data-page="contact"] .hero,
  .about-intro,
  .experience-main,
  .contact-layout,
  .status-layout,
  .tool-work,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .home-features,
  .about-panels,
  .about-tags,
  .work-grid,
  .project-grid,
  .skill-grid,
  .about-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .experience-side,
  .contact-col,
  .workstyle-zone {
    border-left: 0;
    border-right: 0;
    padding-left: 28px;
    padding-right: 28px;
  }
}

@media (max-width: 620px) {
  .home-features,
  .about-panels,
  .about-tags,
  .work-grid,
  .project-grid,
  .skill-grid,
  .about-gallery,
  .tool-row,
  .workstyle-row {
    grid-template-columns: 1fr;
  }

  .page-pad,
  .hero-text {
    padding-left: 24px;
    padding-right: 24px;
  }

  .hero h1,
  .page-title {
    font-size: 50px;
  }
}