/* 汽车设计师作品集 — 自定义样式 */

:root {
  --color-bg:        #0a0a0a;
  --color-bg-dark:   #111111;
  --color-bg-gray:   #1a1a1a;
  --color-bg-mid:    #2a2a2a;
  --color-text:      #f5f5f5;
  --color-text-dim:  #737373;
  --color-border:    #2e2e2e;
  --color-hover:     #b3b3b3;
  --color-hover-dim: #888888;

  --border-radius: 8px;
  --nav-scrolled-bg: rgba(10, 10, 10, 0);
  --nav-scrolled-blur: 10px;
  --nav-font-size: 16px;
  --detail-section-title-size: 14px;

  /* 详情页媒体流 */
  --detail-media-gap: 16px;
  --detail-media-inset-x: clamp(16px, 4vw, 56px);
  --detail-media-radius: 0;
  --detail-media-height-full: 100vh;
  --detail-media-fit-padding: 0;
  --detail-row-gap: 1rem;
  --detail-row-padding: 0;

  --detail-scrollbar-width: 12px;
  --detail-scrollbar-width-near: 24px;
  --detail-scrollbar-thumb-min-height: 72px;
  --detail-scrollbar-thumb: #3a3a3a;
  --detail-scrollbar-thumb-near: #9a9a9a;
  --detail-scrollbar-thumb-hover: #d4d4d4;
  --detail-scrollbar-track-near: rgba(255, 255, 255, 0.1);

  /* 封面（单卡可在 index.html 的 project-card style 覆盖） */
  --cover-aspect-ratio: 3 / 4;
  --cover-aspect-ratio-mobile: 4 / 5;
  --cover-object-fit: cover;
  --cover-object-position: center;
  --cover-scale: 1;
  --cover-hover-scale: 1.02;
  --cover-bg: #000;
  --cover-body-bottom: 10%;
  --cover-body-padding-x: 1.25rem;

  --section-padding-y: 6rem;
  --section-padding-y-lg: 8rem;
  --portfolio-grid-inset-x: clamp(16px, 3vw, 32px);
  --portfolio-grid-gap: 12px;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

body.no-media-download img,
body.no-media-download video,
.no-media-download img,
.no-media-download video {
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  user-drag: none;
  -webkit-touch-callout: none;
}

body.detail-view-open #portfolio {
  visibility: hidden;
}

::selection {
  background-color: var(--color-hover-dim);
  color: var(--color-bg);
}

::-webkit-scrollbar {
  width: 3px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-bg-mid);
  border-radius: var(--border-radius);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-hover-dim);
}

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0);
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  border-bottom: 1px solid transparent;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    backdrop-filter var(--transition-base),
    -webkit-backdrop-filter var(--transition-base);
}

#navbar.scrolled {
  background: var(--nav-scrolled-bg);
  backdrop-filter: blur(var(--nav-scrolled-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--nav-scrolled-blur)) saturate(160%);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.nav-link,
.nav-logo {
  font-size: var(--nav-font-size);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
  text-shadow: none;
  transition: color var(--transition-base), text-shadow var(--transition-base), opacity var(--transition-base);
}

.nav-logo {
  text-transform: none;
  letter-spacing: 0.2em;
}

#navbar:not(.scrolled) .nav-link,
#navbar:not(.scrolled) .nav-logo {
  text-shadow:
    0 1px 3px rgba(0, 0, 0, 0.65),
    0 0 10px rgba(0, 0, 0, 0.4);
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
  opacity: 0.85;
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 1px;
  background: #ffffff;
  box-shadow: none;
  transition:
    transform var(--transition-base),
    opacity var(--transition-base),
    box-shadow var(--transition-base);
}

#navbar:not(.scrolled) .hamburger-line {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.65);
}

#menu-toggle.open .hamburger-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
#menu-toggle.open .hamburger-line:nth-child(2) {
  opacity: 0;
}
#menu-toggle.open .hamburger-line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  background: rgba(10, 10, 10, 0);
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  border-bottom: 1px solid transparent;
  transition:
    max-height var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base),
    backdrop-filter var(--transition-base);
}

.mobile-menu.open {
  max-height: 400px;
  border-bottom-color: var(--color-border);
}

#navbar.scrolled .mobile-menu {
  background: var(--nav-scrolled-bg);
  backdrop-filter: blur(var(--nav-scrolled-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--nav-scrolled-blur)) saturate(160%);
}

.mobile-nav-link {
  font-size: var(--nav-font-size);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #ffffff;
  text-shadow: none;
  transition: color var(--transition-base), text-shadow var(--transition-base), opacity var(--transition-base);
}

#navbar:not(.scrolled) .mobile-nav-link {
  text-shadow:
    0 1px 3px rgba(0, 0, 0, 0.65),
    0 0 10px rgba(0, 0, 0, 0.4);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: #ffffff;
  opacity: 0.85;
}

.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 40;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dim);
  background: rgba(17, 17, 17, 0.9);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base),
              visibility var(--transition-base),
              transform var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  color: var(--color-hover);
  border-color: var(--color-hover-dim);
}

@media (max-width: 767px) {
  .back-to-top {
    right: 1rem;
    bottom: 1rem;
    width: 40px;
    height: 40px;
  }
}

.hero-section {
  overflow: hidden;
}

.hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 10, 0.3) 0%,
    rgba(10, 10, 10, 0.55) 100%
  );
}

.hero-content .hero-en-name,
.hero-content .hero-role,
.hero-content .hero-desc {
  color: #ababab;
}

.hero-content .hero-en-name {
  font-size: 0.8125rem;
}

.hero-content .hero-role {
  font-size: 1.125rem;
}

.hero-content .hero-desc {
  font-size: 1rem;
}

@media (min-width: 640px) {
  .hero-content .hero-role {
    font-size: 1.25rem;
  }

  .hero-content .hero-desc {
    font-size: 1.125rem;
  }
}

.section-padding {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

@media (min-width: 1024px) {
  .section-padding {
    padding-top: var(--section-padding-y-lg);
    padding-bottom: var(--section-padding-y-lg);
  }
}

.section-header {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.section-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.subsection-title {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  font-weight: 400;
}

.about-photo-wrapper {
  overflow: hidden;
  border-radius: var(--border-radius);
}

.about-photo-wrapper img {
  border-radius: var(--border-radius);
}

.about-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.about-meta li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.about-meta-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.about-meta-value {
  font-size: 0.9375rem;
  color: var(--color-text);
}

#about p {
  font-size: 0.9375rem;
}

#about .subsection-title {
  font-size: 0.8125rem;
}

#about .timeline-year {
  font-size: 0.78rem;
}

#about .timeline-title {
  font-size: 0.975rem;
}

#about .timeline-desc {
  font-size: 0.875rem;
}

#about .software-tag {
  font-size: 0.8125rem;
}

/* 时间线 */
.timeline-year {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  margin-bottom: 0.25rem;
}

.timeline-title {
  font-size: 0.9rem;
  color: var(--color-text);
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.timeline-desc {
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

/* 软件标签 */
.software-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text-dim);
  transition: border-color var(--transition-base), color var(--transition-base);
}

.software-tag:hover {
  border-color: var(--color-hover-dim);
  color: var(--color-hover);
}

.btn-outline {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text-dim);
  padding: 0.75rem 2rem;
  transition: border-color var(--transition-base), color var(--transition-base);
}

.btn-outline:hover {
  border-color: var(--color-hover-dim);
  color: var(--color-hover);
}

.portfolio-section {
  padding-bottom: var(--section-padding-y);
}

.portfolio-header {
  margin-bottom: 3rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--portfolio-grid-gap);
  width: 100%;
  padding-inline: var(--portfolio-grid-inset-x);
  box-sizing: border-box;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card {
  width: 100%;
  min-width: 0;
  position: relative;
  display: block;
  background: var(--cover-bg);
  border: none;
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: var(--cover-aspect-ratio);
}

.project-card:hover,
.project-card:focus-visible {
  outline: none;
}

.project-card-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--cover-bg);
}

.project-card-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: var(--cover-object-fit);
  object-position: var(--cover-object-position);
  transform: scale(var(--cover-scale));
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card-image img {
  transform: scale(calc(var(--cover-scale) * var(--cover-hover-scale)));
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.88) 0%,
    rgba(0, 0, 0, 0.55) 30%,
    rgba(0, 0, 0, 0.12) 62%,
    rgba(0, 0, 0, 0) 100%
  );
  pointer-events: none;
}

.project-card-body {
  display: flex;
  flex-direction: column;
}

.project-card-body--overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--cover-body-bottom);
  z-index: 2;
  padding: 0 var(--cover-body-padding-x);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.65);
}

.project-card-title {
  font-size: clamp(1.15rem, 1.6vw, 1.75rem);
  font-weight: 700;
  color: #fff;
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.project-card-subtitle {
  margin-top: 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: #b8b8b8;
  text-transform: uppercase;
}

.project-card-desc {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: #d6d6d6;
}

.project-card-stats {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
  pointer-events: none;
}

.project-card-stats .project-stat-label {
  display: none;
}

.project-stat {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  color: #ececec;
  letter-spacing: 0.02em;
}

.project-stat-icon {
  flex-shrink: 0;
  opacity: 0.9;
}

.project-stat-value {
  font-variant-numeric: tabular-nums;
}

.project-detail-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.5rem;
  margin-top: 2rem;
  padding: 1.5rem 1.5rem 5.5rem;
  border-top: 1px solid var(--color-border);
}

.project-detail-stats-metrics {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.project-detail-stats .project-stat {
  font-size: 0.82rem;
  color: var(--color-text-dim);
}

.project-detail-stats .project-stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-detail-stats .project-stat-value {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
}

.project-like-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: transparent;
  color: var(--color-text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    color var(--transition-base),
    background var(--transition-base),
    opacity var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.project-like-btn--floating {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 115;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(18, 18, 18, 0.42);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  color: rgba(255, 255, 255, 0.62);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.38);
  opacity: 0.78;
}

.project-like-btn:hover:not(:disabled) {
  border-color: var(--color-hover-dim);
  color: var(--color-hover);
}

.project-like-btn--floating:hover:not(:disabled) {
  opacity: 1;
  color: rgba(255, 255, 255, 0.96);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(28, 28, 28, 0.68);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.48);
  transform: translateY(-2px);
}

.project-like-btn.is-liked,
.project-like-btn:disabled {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--color-text);
  cursor: default;
}

.project-like-btn--floating.is-liked,
.project-like-btn--floating:disabled {
  opacity: 0.92;
  background: rgba(24, 24, 24, 0.58);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.38);
  transform: none;
}

.project-like-btn--floating.is-liked:hover,
.project-like-btn--floating:disabled:hover {
  transform: none;
}

.project-like-btn.is-liked .project-stat-icon {
  fill: currentColor;
  stroke: currentColor;
}

.project-like-btn:disabled:not(.is-liked) {
  opacity: 0.55;
}

@media (max-width: 767px) {
  .project-like-btn--floating {
    right: 1rem;
    bottom: 1rem;
    padding: 0.72rem 1rem;
  }

  .project-detail-stats {
    padding-bottom: 5rem;
  }

  .project-intro-layout {
    flex-direction: column;
    gap: 1.25rem;
  }

  .project-detail-stats-top {
    margin-right: 0;
    gap: 1.1rem;
    padding-top: 0;
  }
}

.project-card-desc {
  line-height: 1.45;
  max-width: 88%;
  margin-left: auto;
  margin-right: auto;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 767px) {
  .project-card {
    aspect-ratio: var(--cover-aspect-ratio-mobile);
  }

  .project-card-body--overlay {
    padding: 0 1rem;
  }
}

.project-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: block;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  padding: 0;
}

.project-modal.open {
  opacity: 1;
  visibility: visible;
}

.project-modal-backdrop {
  display: none;
}

.project-modal-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  background: var(--color-bg);
  border: none;
  margin: 0;
  transform: none;
  transition: none;
}

.modal-close-btn {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 120;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius);
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: none;
  transition:
    color var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base),
    backdrop-filter var(--transition-base);
}

.modal-close-btn:hover {
  color: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.project-modal-content {
  height: 100%;
  overflow-y: auto;
  scroll-behavior: smooth;
  padding: 0;
  scrollbar-width: auto;
  scrollbar-color: var(--detail-scrollbar-thumb) transparent;
}

/* 详情页滚动条：默认较暗，靠近右侧时变亮、加宽 */
.project-modal-content::-webkit-scrollbar {
  width: var(--detail-scrollbar-width);
}

.project-modal-content.scrollbar-near::-webkit-scrollbar {
  width: var(--detail-scrollbar-width-near);
}

.project-modal-content::-webkit-scrollbar-track {
  background: transparent;
  border-left: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.project-modal-content.scrollbar-near::-webkit-scrollbar-track {
  background: var(--detail-scrollbar-track-near);
  border-left-color: rgba(255, 255, 255, 0.14);
}

.project-modal-content::-webkit-scrollbar-thumb {
  background: var(--detail-scrollbar-thumb);
  border-radius: 999px;
  border: 3px solid transparent;
  background-clip: padding-box;
  min-height: var(--detail-scrollbar-thumb-min-height);
  transition: background 0.25s ease, border-width 0.25s ease, box-shadow 0.25s ease;
}

.project-modal-content.scrollbar-near::-webkit-scrollbar-thumb {
  background: var(--detail-scrollbar-thumb-near);
  border-width: 1px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.18);
}

.project-modal-content.scrollbar-near::-webkit-scrollbar-thumb:hover,
.project-modal-content.scrollbar-near::-webkit-scrollbar-thumb:active,
.project-modal-content::-webkit-scrollbar-thumb:hover,
.project-modal-content::-webkit-scrollbar-thumb:active {
  background: var(--detail-scrollbar-thumb-hover);
  border-width: 1px;
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.28);
}

.modal-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.modal-date {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.modal-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.modal-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.modal-section-title {
  font-size: var(--detail-section-title-size);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-section-text {
  font-size: 0.95rem;
  color: var(--color-text-dim);
  line-height: 1.85;
  white-space: pre-line;
}

.project-immersive {
  --detail-inset-x: var(--detail-media-inset-x);
}

.project-media-full {
  width: 100%;
  height: auto;
  padding-left: var(--detail-inset-x);
  padding-right: var(--detail-inset-x);
  box-sizing: border-box;
  background: var(--color-bg);
}

.project-hero-media .detail-media {
  cursor: zoom-in;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  display: block;
  border-radius: var(--detail-media-radius);
}

.project-text-block {
  min-height: 38vh;
  padding: 5.5rem 1.5rem 2.5rem;
  display: flex;
  align-items: center;
}

.project-text-inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

.project-project-intro {
  min-height: 44vh;
  padding-top: 6rem;
}

.project-intro-layout {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem 2rem;
}

.project-text-inner--intro {
  flex: 1;
  min-width: 0;
  max-width: 960px;
  margin: 0;
}

.project-detail-stats-top {
  flex-shrink: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 1.35rem;
  margin-left: auto;
  margin-right: -0.35rem;
  padding-top: 0.35rem;
}

.project-detail-stats-top .project-stat {
  font-size: 0.82rem;
  color: var(--color-text-dim);
}

.project-detail-stats-top .project-stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-detail-stats-top .project-stat-value {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
}

.project-detail-date {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.project-detail-title {
  margin-top: 0.45rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  color: var(--color-text);
}

.project-detail-subtitle {
  margin-top: 0.5rem;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  max-width: 960px;
}

.project-detail-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--detail-media-gap);
  width: 100%;
  max-width: none;
  margin: 0;
  padding-left: var(--detail-inset-x);
  padding-right: var(--detail-inset-x);
  box-sizing: border-box;
}

/* gallery 内的文字区块与顶部设计背景/思路同宽 */
.project-detail-gallery > .project-text-block,
.project-detail-gallery > .project-text-block.project-project-intro {
  width: calc(100% + 2 * var(--detail-inset-x));
  margin-left: calc(-1 * var(--detail-inset-x));
  margin-right: calc(-1 * var(--detail-inset-x));
}

/* gallery 内嵌主视觉与草图共用同一左右留白，避免双重缩进 */
.project-detail-gallery > .project-media-full {
  width: 100%;
  padding-left: 0;
  padding-right: 0;
}

.detail-media-block {
  width: 100%;
  height: auto;
  overflow: hidden;
  background: #000;
  border-radius: var(--detail-media-radius);
}

/* 默认：通栏全宽，高度随图片比例自适应 */
.detail-media-block--uniform {
  aspect-ratio: unset;
  border-radius: var(--detail-media-radius);
}

.detail-media-block--full {
  height: var(--detail-media-height-full);
  max-height: 100dvh;
  border-radius: var(--detail-media-radius);
}

.detail-media-block--fit,
.detail-media-block--wide,
.detail-media-block--auto {
  height: auto;
  background: var(--color-bg);
  border-radius: var(--detail-media-radius);
}

.detail-media-block--fit,
.detail-media-block--wide,
.detail-media-block--auto {
  padding: var(--detail-media-fit-padding);
}

.detail-media-block--auto {
  display: flex;
  justify-content: center;
}

.detail-media-block .detail-media {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  cursor: zoom-in;
}

.detail-media[data-object-fit="cover"] {
  object-fit: cover;
}

.detail-media--video {
  cursor: default;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
}

.detail-media--missing {
  width: 100%;
  min-height: min(50vh, 640px);
  height: min(50vh, 640px);
  object-fit: contain;
  background: var(--color-bg-gray);
}

.detail-media-block--full .detail-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--detail-media-radius);
}

.detail-media-block--fit .detail-media,
.detail-media-block--wide .detail-media,
.detail-media-block--auto .detail-media {
  height: auto;
  object-fit: contain;
}

.detail-media-block--auto .detail-media {
  width: auto;
  max-width: 100%;
}

.detail-media-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--detail-row-gap);
  padding: var(--detail-row-padding);
  width: 100%;
  background: var(--color-bg);
  border-radius: var(--detail-media-radius);
}

.detail-media-row > .detail-media-block {
  flex: 1 1 280px;
  min-width: min(100%, 280px);
  background: transparent;
  padding: 0;
}

.detail-media-spacer {
  width: 100%;
  flex-shrink: 0;
}

.media-lightbox {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.media-lightbox.open {
  opacity: 1;
  visibility: visible;
}

.media-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.94);
  cursor: zoom-out;
}

.media-lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dim);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: rgba(10, 10, 10, 0.85);
  cursor: pointer;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.media-lightbox-close:hover {
  color: var(--color-hover);
  border-color: var(--color-hover-dim);
}

.media-lightbox-content {
  position: relative;
  z-index: 1;
  width: min(96vw, 1400px);
  height: calc(100vh - 4rem);
  max-height: calc(100vh - 4rem);
  overflow: hidden;
}

.media-lightbox-viewport {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: zoom-in;
  touch-action: none;
}

.media-lightbox-viewport.is-zoomed {
  cursor: grab;
}

.media-lightbox-viewport.is-panning {
  cursor: grabbing;
}

.media-lightbox-img,
.media-lightbox-video {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transform-origin: center center;
  will-change: transform;
  user-select: none;
}

@media (max-width: 767px) {
  .media-lightbox {
    padding: 1rem 0.75rem;
  }

  .media-lightbox-close {
    top: 0.75rem;
    right: 0.75rem;
    width: 40px;
    height: 40px;
  }

  .project-text-block {
    min-height: 34vh;
    padding: 4.5rem 1rem 2rem;
  }

  .modal-close-btn {
    left: 0.75rem;
    top: 0.75rem;
    padding: 0 0.7rem;
  }

  .project-project-intro {
    min-height: 40vh;
  }
}

.skill-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.skill-label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.skill-value {
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.skill-bar-bg {
  height: 4px;
  background: var(--color-bg-mid);
  border-radius: var(--border-radius);
  position: relative;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  width: 0;
  background: var(--color-hover-dim);
  border-radius: var(--border-radius);
  transition: width 2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.skill-bar-fill.animated {
  width: var(--skill-width);
}

.contact-info-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 0.25rem;
}

.contact-info-value {
  font-size: 0.95rem;
  color: var(--color-text);
  transition: color var(--transition-base);
}

.contact-info-value:hover {
  color: var(--color-hover);
}

.form-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text);
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  transition: border-color var(--transition-base);
  outline: none;
}

.form-input::placeholder {
  color: #444;
}

.form-input:focus {
  border-color: var(--color-hover-dim);
}

.form-submit {
  width: 100%;
  padding: 0.875rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--transition-base), color var(--transition-base);
}

.form-submit:hover:not(:disabled) {
  border-color: var(--color-hover-dim);
  color: var(--color-hover);
}

.form-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.form-success {
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.form-error {
  font-size: 0.875rem;
  color: #c9a0a0;
  line-height: 1.5;
}

.comments-intro {
  max-width: 36rem;
}

.project-detail-comments {
  padding: 2.5rem 1.5rem 6.5rem;
  border-top: 1px solid var(--color-border);
}

.project-detail-comments .project-comments-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.project-comments-en {
  font-size: 0.65em;
  letter-spacing: 0.18em;
  margin-left: 0.35rem;
  color: var(--color-text-dim);
}

.project-comments-intro {
  margin: 0.75rem 0 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  line-height: 1.65;
}

.project-comment-field {
  margin-bottom: 1.15rem;
}

.project-comment-form {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.comments-empty,
.comments-loading,
.comments-error {
  font-size: 0.875rem;
  color: var(--color-text-dim);
  line-height: 1.6;
}

.comments-error {
  color: #c9a0a0;
}

.comment-item {
  display: grid;
  grid-template-columns: 1fr auto;
  column-gap: 1.25rem;
  row-gap: 0.625rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.comment-item:first-child {
  padding-top: 0;
}

.comment-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  grid-column: 1 / -1;
}

.comment-body {
  margin: 0;
  grid-column: 1;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text);
  white-space: pre-wrap;
  word-break: break-word;
}

.comment-delete-btn {
  grid-column: 2;
  grid-row: 2;
  align-self: start;
  flex-shrink: 0;
  padding: 0.35rem 0.85rem;
  font-size: 0.68rem;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.comment-delete-btn:hover:not(:disabled) {
  color: #c9a0a0;
  border-color: rgba(201, 160, 160, 0.45);
  background: rgba(201, 160, 160, 0.06);
}

.comment-delete-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.comment-author {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.comment-time {
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.comment-form {
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 767px) {
  :root {
    --section-padding-y: 4rem;
  }

  .project-modal {
    padding: 0;
  }
}

/* 简历 PDF 导出（生成时置于视口内、透明不可见，供 html2canvas 截取） */
.resume-pdf-capture-root {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10000;
  opacity: 0.01;
  pointer-events: none;
  overflow: hidden;
  width: 794px;
}

.resume-pdf-sheet {
  position: relative;
  left: 0;
  top: 0;
  width: 794px;
  min-height: 1123px;
  padding: 52px 60px;
  box-sizing: border-box;
  background: #ffffff;
  color: #1a1a1a;
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 13px;
  line-height: 1.55;
}

.resume-pdf-header {
  display: flex;
  gap: 14mm;
  align-items: flex-start;
  padding-bottom: 8mm;
  border-bottom: 1px solid #e0e0e0;
  margin-bottom: 7mm;
}

.resume-pdf-photo {
  width: 28mm;
  height: 36mm;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
  background: #f0f0f0;
}

.resume-pdf-head-text {
  flex: 1;
  min-width: 0;
}

.resume-pdf-name {
  margin: 0;
  font-size: 20pt;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #0a0a0a;
}

.resume-pdf-name-en {
  margin: 2mm 0 0;
  font-size: 10pt;
  color: #666;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.resume-pdf-role {
  margin: 3mm 0 0;
  font-size: 11pt;
  color: #333;
}

.resume-pdf-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4mm 8mm;
  margin-top: 4mm;
  font-size: 9pt;
  color: #444;
}

.resume-pdf-meta span {
  white-space: nowrap;
}

.resume-pdf-section {
  margin-bottom: 6mm;
}

.resume-pdf-section-title {
  margin: 0 0 3mm;
  font-size: 9pt;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #888;
  border-bottom: 1px solid #eee;
  padding-bottom: 1.5mm;
}

.resume-pdf-item {
  margin-bottom: 3.5mm;
}

.resume-pdf-item:last-child {
  margin-bottom: 0;
}

.resume-pdf-item-year {
  display: block;
  font-size: 8.5pt;
  color: #888;
  margin-bottom: 0.5mm;
}

.resume-pdf-item-title {
  margin: 0;
  font-size: 10pt;
  font-weight: 500;
  color: #1a1a1a;
}

.resume-pdf-item-desc {
  margin: 1mm 0 0;
  font-size: 9pt;
  color: #555;
}

.resume-pdf-software {
  display: flex;
  flex-wrap: wrap;
  gap: 2mm;
}

.resume-pdf-tag {
  display: inline-block;
  padding: 1mm 3mm;
  border: 1px solid #ccc;
  border-radius: 2px;
  font-size: 8.5pt;
  color: #333;
}

.resume-pdf-contact {
  font-size: 9.5pt;
  color: #333;
}

.resume-pdf-contact p {
  margin: 0 0 1.5mm;
}

.resume-pdf-summary {
  margin: 0 0 6mm;
  font-size: 9.5pt;
  color: #444;
  line-height: 1.65;
}