/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html {
  scroll-padding-top: calc(var(--nav-height) + 24px); scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Background dot grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.025) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(0,0,0,0.8);
  border-bottom-color: var(--color-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.3px;
}
.nav-logo .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 8px rgba(212,175,55,0.5);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--white-a08);
  border-radius: var(--radius-full);
  padding: 4px;
}
.nav-links a {
  font-size: 13.5px;
  color: var(--color-text-secondary);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  font-weight: var(--weight-medium);
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.nav-links a:hover { color: var(--color-text-primary); }
.nav-links a.is-active {
  background: var(--white-a08);
  color: var(--color-text-primary);
}
.nav-cta {
  font-size: 13.5px;
  padding: 10px 24px;
  border-radius: 28px;
  background: var(--color-gold);
  color: var(--color-on-gold);
  font-weight: var(--weight-semibold);
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
  box-shadow: 0 2px 12px rgba(212,175,55,0.2);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--gold-a35);
}
.nav-toggle { display: none; }
.nav-mobile { display: none; }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 68px;
  padding-bottom: 40px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 55vw; height: 55vw;
  max-width: 700px; max-height: 700px;
  background: radial-gradient(circle, rgba(212,175,55,0.08) 0%, rgba(212,175,55,0.02) 40%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, #000 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, #000 20%, transparent 100%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid rgba(212,175,55,0.25);
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--color-gold);
  margin-bottom: 24px;
  background: rgba(212,175,55,0.04);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hero-badge .pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(42px, 5.5vw, 68px);
  font-weight: var(--weight-extrabold);
  line-height: 1.08;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
}
.hero-title .accent {
  background: linear-gradient(135deg, #E8C87A 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-tagline {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 460px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 28px;
  font-size: 14.5px;
  font-weight: var(--weight-semibold);
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
  cursor: pointer;
}
.btn-primary {
  background: var(--color-gold);
  color: var(--color-on-gold);
  box-shadow: 0 2px 16px rgba(212,175,55,0.2);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--gold-a35);
}
/* Principles */
.hero-principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}
.principle {
  padding: 0 28px;
  position: relative;
}
.principle:first-child { padding-left: 0; }
.principle:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: var(--color-border);
}
.principle-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.principle-key {
  font-size: 15px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 6px;
}
.principle-val {
  font-size: 13px;
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

/* Hero Avatar */
.hero-visual { display: flex; align-items: center; justify-content: center; }
.hero-avatar-wrap {
  position: relative;
  width: 320px;
  height: 320px;
}
.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  background: var(--color-bg-card);
}
.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.corner {
  position: absolute;
  width: 32px;
  height: 32px;
  z-index: 2;
}
.corner.tl {
  top: -6px; left: -6px;
  border-top: 2px solid var(--color-gold);
  border-left: 2px solid var(--color-gold);
  border-radius: 4px 0 0 0;
}
.corner.br {
  bottom: -6px; right: -6px;
  border-bottom: 2px solid var(--color-gold);
  border-right: 2px solid var(--color-gold);
  border-radius: 0 0 4px 0;
}

/* Scroll hint */
/* Scroll hint removed per taste-skill: scroll cues are an AI tell */

/* ===== Section Shared ===== */
.section-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}
.section-title {
  font-size: var(--text-h2);
  font-weight: var(--weight-bold);
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

/* ===== Projects Header ===== */
.projects-header {
  padding-top: 80px;
  padding-bottom: 40px;
  text-align: left;
}
.projects-desc-main {
  font-size: 18px;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}
.projects-desc-sub {
  font-size: 14px;
  color: var(--color-text-tertiary);
  max-width: 560px;
  line-height: 1.6;
}

/* ===== Stacked Cards ===== */
.projects {
  position: relative;
}
.projects-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 36px 0 52px;
}
.projects-sticky .container { width: 100%; }

.cards-container {
  position: relative;
  width: 100%;
  max-width: 1080px;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
}

.pcard {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #111114 0%, #0B0B0D 100%);
  border: 1px solid rgba(255,255,255,0.11);
  border-radius: 20px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  will-change: transform;
  box-shadow: 0 24px 70px rgba(0,0,0,0.72), 0 10px 28px rgba(0,0,0,0.5), inset 0 1px 0 var(--white-a05);
  transition: background var(--duration-med) var(--ease-out), border-color var(--duration-med) var(--ease-out), box-shadow var(--duration-med) var(--ease-out);
}
.pcard.is-active {
  border-color: var(--white-a14);
  box-shadow: 0 28px 80px rgba(0,0,0,0.78), 0 14px 34px rgba(0,0,0,0.58), inset 0 1px 0 rgba(255,255,255,0.07);
}
/* pcard top gold line removed for cleaner look */
.pcard.is-below {
  background: var(--color-bg-card);
  border-color: var(--white-a05);
}
.pcard.is-stacked {
  background: var(--color-bg-elevated);
}

/* Top-right CTA */
.pcard-cta {
  position: absolute;
  top: 24px;
  right: 28px;
  z-index: 5;
  font-size: 11px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(212,175,55,0.25);
  color: var(--color-gold);
  background: rgba(212,175,55,0.06);
  letter-spacing: 0.5px;
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.pcard-cta:hover {
  background: rgba(212,175,55,0.15);
  border-color: rgba(212,175,55,0.5);
}

/* Left: text content */
.pcard-left {
  padding: 36px 24px 36px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
  position: relative;
  z-index: 2;
}
/* Visual area is inset as a card, no gradient overlay needed */
.pcard-left > * { position: relative; z-index: 2; }

.pcard-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.pcard-num {
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -2px;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #71717A, #3F3F46);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: background var(--duration-normal) var(--ease-out);
}
.pcard.is-active .pcard-num {
  background: linear-gradient(180deg, var(--color-gold-light), var(--color-gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pcard-cat {
  font-size: 11px;
  color: var(--color-gold);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
}
.pcard-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 12px;
  line-height: 1.2;
}
.pcard-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}
.pcard-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.pcard-tags .tag {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.04);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.pcard-footer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}
.pcard-stats {
  display: flex;
  gap: 48px;
}
.pcard-stat {
  display: flex;
  flex-direction: column;
}
.pcard-stat-val {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-gold);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.pcard-stat-lab {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 4px;
}
/* Right: abstract visual */
.pcard-visual {
  position: relative;
  overflow: hidden;
  padding: 24px 28px 24px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pcard-visual svg {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  display: block;
  opacity: 0.9;
}
/* Progress dots */
.pcard-dots {
  position: fixed;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 50;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}
.pcard-dots.is-visible { opacity: 1; }
.pcard-dots .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-border-light);
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal) var(--ease-out);
}
.pcard-dots .dot.is-active {
  background: var(--color-gold);
  box-shadow: 0 0 8px var(--color-gold);
  transform: scale(1.4);
}

/* ===== About ===== */
#about {
  padding: 120px 0;
}
.about-intro { display: none; }

.characters {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

/* Main character card */
.char-main {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.char-main-card {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}
.char-main-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex-shrink: 0;
}
.char-main-avatar img { width: 100%; height: 100%; object-fit: cover; }
.char-main-name {
  font-size: 24px;
  font-weight: var(--weight-bold);
  margin-bottom: 6px;
}
.char-main-role {
  font-size: 12px;
  color: var(--color-gold);
  letter-spacing: 1px;
}
.char-main-bio {
  font-size: 14.5px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.char-main-bio p { margin-bottom: 12px; }
.char-main-bio p:last-child { margin-bottom: 0; }
.char-main-bio strong { color: var(--color-text-primary); font-weight: var(--weight-semibold); }

/* Agent sub-cards */
.char-agents {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.char-agent {
  padding: 28px 32px;
}
.char-agent + .char-agent {
  position: relative;
}
.char-agent + .char-agent::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-border-light) 15%, var(--color-border-light) 85%, transparent);
}
.char-agent-card {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.char-agent-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}
.char-agent-avatar img { width: 100%; height: 100%; object-fit: cover; }
.char-agent-name {
  font-size: 17px;
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.char-agent-name .tag {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(212,175,55,0.12);
  color: var(--color-gold);
  border: 1px solid rgba(212,175,55,0.2);
  font-weight: 600;
  letter-spacing: 0.5px;
}
.char-agent-role {
  font-size: 12px;
  color: var(--color-gold);
}
.char-agent-info {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.char-agent-bio { margin-bottom: 10px; }
.char-agent-bio:last-child { margin-bottom: 0; }

/* ===== Contact ===== */
.contact {
  padding: 120px 0;
  text-align: center;
}
.contact-title {
  font-size: var(--text-h2);
  font-weight: var(--weight-bold);
  line-height: 1.2;
  margin-bottom: 16px;
}
.contact-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto 32px;
}
.contact-email {
  display: inline-block;
  font-size: 18px;
  color: var(--color-gold);
  font-weight: var(--weight-semibold);
  font-family: var(--font-mono);
  padding: 14px 36px;
  border: 1px solid var(--color-gold);
  border-radius: 28px;
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.contact-email:hover {
  background: var(--color-gold);
  color: var(--color-on-gold);
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: var(--color-text-muted);
}

/* ===== Project Modal ===== */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out), visibility var(--duration-normal) var(--ease-out);
}
.project-modal.is-open {
  opacity: 1;
  visibility: visible;
}
.project-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.project-modal-inner {
  position: relative;
  width: 90vw;
  max-width: 900px;
  max-height: 88vh;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  z-index: 1;
  transform: translateY(20px) scale(0.98);
  transition: transform var(--duration-normal) var(--ease-out);
}
.project-modal.is-open .project-modal-inner {
  transform: translateY(0) scale(1);
}
.project-modal-close {
  position: absolute;
  top: 20px; right: 20px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border);
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.project-modal-close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-text-primary);
}
.project-modal-close svg { width: 16px; height: 16px; }
.project-modal-content {
  overflow-y: auto;
  max-height: 88vh;
  padding: 40px 48px 48px;
}
.project-modal-content::-webkit-scrollbar { width: 6px; }
.project-modal-content::-webkit-scrollbar-track { background: transparent; }
.project-modal-content::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }

/* Detail page styles */
.dt-evo-label {
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.dt-case-img figcaption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--color-text-muted);
  background: var(--white-a02);
}
/* ===== Current project detail module ===== */
.detail-hero {
  margin-bottom: 28px;
  padding-right: 72px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}
.detail-num {
  font-size: 44px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--color-gold);
  font-variant-numeric: tabular-nums;
  margin-bottom: 10px;
}
.detail-cat {
  font-size: 11px;
  color: var(--color-gold);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 10px;
}
.detail-title {
  font-size: 28px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}
.detail-summary {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
.detail-meta-item {
  min-width: 112px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--white-a02);
}
.detail-meta-item .label {
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.detail-meta-item .value {
  font-size: 13px;
  color: var(--color-text-primary);
  font-weight: 600;
}
.detail-body { color: var(--color-text-secondary); }
.detail-section { margin-bottom: 34px; }
.detail-section h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 3px solid var(--color-gold);
}
.detail-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}
.detail-stat {
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(212,175,55,0.06), rgba(255,255,255,0.015));
}
.detail-stat-val {
  font-size: 24px;
  line-height: 1.1;
  font-weight: 800;
  color: var(--color-gold);
  font-variant-numeric: tabular-nums;
}
.detail-stat-lab {
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.detail-list { list-style: none; }
.detail-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
}
.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.detail-tag {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  color: var(--color-gold);
  background: rgba(212,175,55,0.07);
  border: 1px solid rgba(212,175,55,0.18);
}
.dt-arch {
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
}
.dt-arch-head {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 14px;
}
.dt-arch-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.dt-arch-lg {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  background: rgba(255,255,255,0.03);
}
.dt-arch-lg--script { border-color: rgba(212,175,55,0.25); color: var(--color-gold); }
.dt-arch-lg--model { border-color: rgba(96,165,250,0.3); color: #93C5FD; }
.dt-arch-lg--data { border-color: rgba(167,139,250,0.3); color: #C4B5FD; }
.dt-arch-main { display: block; }
.dt-arch-layers { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.dt-arch-layer {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}
.dt-arch-lname span {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-primary);
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
}
.dt-arch-lbody { display: flex; flex-wrap: wrap; gap: 10px; min-width: 0; }
.dt-arch-group {
  flex: 1 1 170px;
  min-width: 150px;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(0,0,0,0.18);
}
.dt-arch-group--script { border-color: rgba(212,175,55,0.22); }
.dt-arch-group--model { border-color: rgba(96,165,250,0.28); }
.dt-arch-group--data { border-color: rgba(167,139,250,0.28); }
.dt-arch-group-label {
  font-size: 11px;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
}
.dt-arch-nodes { display: flex; flex-wrap: wrap; gap: 8px; }
.dt-arch-node {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  line-height: 1.35;
  color: var(--color-text-primary);
  padding: 6px 9px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.04);
}
.dt-arch-branch {
  flex-basis: 100%;
  font-size: 12px;
  color: var(--color-text-muted);
  padding-left: 2px;
}
.dt-arch-arrow {
  position: relative;
  width: 18px;
  height: 14px;
  margin: -2px 0 -2px 38px;
}
.dt-arch-arrow::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  width: 1px;
  height: 10px;
  background: linear-gradient(180deg, var(--gold-a55), rgba(212,175,55,0.12));
}
.dt-arch-arrow::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--gold-a55);
  border-bottom: 1px solid var(--gold-a55);
  transform: rotate(45deg);
}
.dt-arch-aside {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(212,175,55,0.18);
  background: linear-gradient(90deg, rgba(212,175,55,0.065), rgba(212,175,55,0.025));
}
.dt-arch-aside-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 10px;
}
.dt-arch-aside-list { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px 16px; }
.dt-arch-aside-list li {
  position: relative;
  padding-left: 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}
.dt-arch-aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-gold);
}
.dt-pipe { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.dt-pipe-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--white-a02);
}
.dt-pipe-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
  color: var(--color-gold);
  border: 1px solid rgba(212,175,55,0.28);
  background: rgba(212,175,55,0.07);
}
.dt-pipe-name { font-size: 14px; font-weight: 700; color: var(--color-text-primary); margin-bottom: 6px; }
.dt-pipe-desc { font-size: 13px; line-height: 1.7; color: var(--color-text-secondary); margin: 0; }
.dt-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.dt-card {
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--white-a02);
}
.dt-card-title { font-size: 14px; font-weight: 700; color: var(--color-text-primary); margin-bottom: 8px; }
.dt-card-desc { font-size: 13px; line-height: 1.7; color: var(--color-text-secondary); margin: 0; }
.dt-case {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.dt-case-row {
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--white-a02);
}
.dt-case-k { font-size: 12px; font-weight: 700; color: var(--color-gold); margin-bottom: 8px; }
.dt-case-v { font-size: 13px; line-height: 1.7; color: var(--color-text-secondary); margin: 0; }
.dt-sec-note { font-size: 13px; line-height: 1.7; color: var(--color-text-secondary); margin: 0 0 14px; }
.dt-sec-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.dt-sec-item { padding: 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--white-a02); }
.dt-sec-item.is-done { border-color: rgba(16,185,129,0.24); background: rgba(16,185,129,0.045); }
.dt-sec-item.is-plan { border-color: rgba(245,158,11,0.22); background: rgba(245,158,11,0.04); }
.dt-sec-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.dt-sec-tag { font-size: 11px; padding: 3px 8px; border-radius: var(--radius-full); color: var(--color-text-primary); background: var(--white-a08); }
.is-done .dt-sec-tag { background: rgba(16,185,129,0.18); color: #6EE7B7; }
.is-plan .dt-sec-tag { background: rgba(245,158,11,0.16); color: #FCD34D; }
.dt-sec-title { font-size: 14px; font-weight: 700; color: var(--color-text-primary); }
.dt-sec-desc { font-size: 13px; line-height: 1.7; color: var(--color-text-secondary); margin: 0; }
.dt-evo-sub { margin: -4px 0 14px; font-size: 13px; color: var(--color-text-muted); }
.dt-evo-grid { display: grid; grid-template-columns: minmax(0, 1fr) 34px minmax(0, 1fr); gap: 12px; align-items: stretch; }
.dt-evo-card { padding: 18px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--white-a02); }
.dt-evo-current { border-color: rgba(212,175,55,0.24); background: rgba(212,175,55,0.045); }
.dt-evo-next { border-style: dashed; }
.dt-evo-head { margin-bottom: 12px; }
.dt-evo-tag { display: inline-block; font-size: 11px; padding: 3px 8px; border-radius: var(--radius-full); background: var(--white-a08); color: var(--color-text-secondary); margin-bottom: 8px; }
.dt-evo-current .dt-evo-tag { background: rgba(212,175,55,0.14); color: var(--color-gold); }
.dt-evo-label { display: block; font-size: 15px; font-weight: 700; color: var(--color-text-primary); }
.dt-evo-list { list-style: none; }
.dt-evo-list li { position: relative; padding-left: 16px; font-size: 13px; line-height: 1.7; color: var(--color-text-secondary); margin-bottom: 8px; }
.dt-evo-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--color-border-light); }
.dt-evo-current .dt-evo-list li::before { background: var(--color-gold); }
.dt-evo-arrow { display: flex; align-items: center; justify-content: center; color: var(--color-gold); font-size: 22px; }
.dt-rep-note { margin: -4px 0 14px; font-size: 13px; color: var(--color-text-muted); }
.dt-rep-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.dt-rep { padding: 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--white-a02); }
.dt-rep-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.dt-rep-code { font-size: 12px; font-weight: 800; color: var(--color-gold); }
.dt-rep-name { font-size: 13px; font-weight: 700; color: var(--color-text-primary); }
.dt-rep-blocks { list-style: none; }
.dt-rep-blocks li { position: relative; padding-left: 14px; font-size: 12px; line-height: 1.6; color: var(--color-text-secondary); margin-bottom: 7px; }
.dt-rep-blocks li::before { content: ""; position: absolute; left: 0; top: 8px; width: 4px; height: 4px; border-radius: 50%; background: var(--color-border-light); }
@media (max-width: 767px) {
  .project-modal-inner { width: 94vw; max-height: 90vh; border-radius: var(--radius-lg); }
  .project-modal-content { padding: 28px 18px 32px; }
  .detail-hero { padding-right: 36px; margin-bottom: 22px; }
  .detail-num { font-size: 36px; }
  .detail-title { font-size: 23px; }
  .detail-meta { gap: 8px; }
  .detail-meta-item { min-width: calc(50% - 4px); }
  .detail-section { margin-bottom: 28px; }
  .dt-arch { padding: 14px; }
  .dt-arch-layer { grid-template-columns: 1fr; gap: 8px; }
  .dt-arch-arrow { margin: -2px 0 -2px 10px; }
  .dt-arch-aside-list { grid-template-columns: 1fr; }
  .dt-case { grid-template-columns: 1fr; }
  .dt-case-imgs, .dt-case-imgs--3, .dt-evo-grid { grid-template-columns: 1fr; }
  .dt-evo-arrow { transform: rotate(90deg); min-height: 24px; }
}

/* ===== Case image grid & lightbox ===== */
.dt-case-imgs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.dt-case-imgs--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dt-case-img {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--white-a02);
  cursor: zoom-in;
  transition: border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.dt-case-img:hover { border-color: var(--gold-a35); }
.dt-case-img img { width: 100%; display: block; transition: transform var(--duration-normal) var(--ease-out); }
.dt-case-img:hover img { transform: scale(1.02); }
.dt-case-zoom {
  position: absolute;
  top: 10px; right: 10px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
  pointer-events: none;
}
.dt-case-zoom::before, .dt-case-zoom::after {
  content: "";
  position: absolute;
  background: rgba(255,255,255,0.85);
}
.dt-case-zoom::before { left: 50%; top: 7px; bottom: 7px; width: 1px; transform: translateX(-50%); }
.dt-case-zoom::after { top: 50%; left: 7px; right: 7px; height: 1px; transform: translateY(-50%); }
.dt-case-img:hover .dt-case-zoom { opacity: 1; }
.dt-case-img figcaption { padding: 10px 12px; font-size: 12px; line-height: 1.6; color: var(--color-text-muted); }

/* Lightbox */
.img-lightbox {
  position: fixed; inset: 0; z-index: 3000;
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
  opacity: 0; visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out), visibility var(--duration-normal) var(--ease-out);
}
.img-lightbox.is-open { opacity: 1; visibility: visible; }
.img-lightbox-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.82);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.img-lightbox-close {
  position: absolute; top: 24px; right: 28px; z-index: 2;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--white-a08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out);
}
.img-lightbox-close:hover { background: rgba(255,255,255,0.16); }
.img-lightbox-close svg { width: 18px; height: 18px; }
.img-lightbox-figure {
  position: relative; z-index: 1;
  max-width: 92vw; max-height: 84vh;
  margin: 0;
  display: flex; flex-direction: column; align-items: center;
  transform: scale(0.96);
  transition: transform var(--duration-normal) var(--ease-out);
}
.img-lightbox.is-open .img-lightbox-figure { transform: scale(1); }
.img-lightbox-figure img {
  max-width: 100%; max-height: 78vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.lightbox-caption {
  margin-top: 14px;
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 720px;
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-reveal) var(--ease-out), transform var(--duration-reveal) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-tagline { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-principles { grid-template-columns: repeat(2, 1fr); gap: 20px 0; text-align: left; }
  .principle { padding: 0 20px; }
  .principle:nth-child(odd) { padding-left: 0; }
  .hero-avatar-wrap { width: 280px; height: 280px; margin: 0 auto; }
  .hero-visual { order: -1; }

  .cards-container { max-width: 92vw; aspect-ratio: 16 / 10; }
  .pcard {
    display: flex;
    flex-direction: column;
    grid-template-columns: none;
    border-radius: var(--radius-lg);
  }
  .pcard-visual { padding: 0 20px 16px; min-height: 0; flex: 1; }
  .pcard-visual svg {
    width: 100%; height: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
  }
  .pcard-cta { top: 14px; right: 16px; }
  .pcard-left { padding: 24px 20px 0; }
  .pcard-stats { gap: 24px; }
  .pcard-stat-val { font-size: 17px; }
  .pcard-num { font-size: 36px; }
  .pcard-title { font-size: 22px; }

  .char-main-card { flex-direction: column; text-align: center; }
  .char-agent-card { flex-direction: column; text-align: center; gap: 10px; }
  }

@media (max-width: 767px) {
  :root { --container-padding: 20px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; flex-direction: column; gap: 5px; padding: 8px; }
  .nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text-primary); border-radius: 2px; transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal) var(--ease-out); }
  .nav-mobile { display: flex; flex-direction: column; position: fixed; top: 68px; left: 0; right: 0; background: rgba(0,0,0,0.95); backdrop-filter: blur(16px); padding: 24px 20px; gap: 4px; transform: translateY(-100%); opacity: 0; visibility: hidden; transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal) var(--ease-out), visibility var(--duration-normal) var(--ease-out); z-index: 999; }
  .nav-mobile.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-mobile a { padding: 14px 0; font-size: 16px; color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border); }

  .hero-avatar-wrap { width: 220px; height: 220px; }
  .hero-title { font-size: 36px; }
  .hero-principles { grid-template-columns: 1fr 1fr; gap: 16px; }

  .projects-header { padding-top: 40px; padding-bottom: 20px; }
  .cards-container { max-width: 95vw; aspect-ratio: 3 / 4; }
  .pcard {
    display: flex;
    flex-direction: column;
    grid-template-columns: none;
    border-radius: var(--radius-lg);
  }
  .pcard-left { padding: 20px 16px 0; }
  .pcard-top { margin-bottom: 12px; }
  .pcard-num { font-size: 30px; }
  .pcard-title { font-size: 19px; margin-bottom: 8px; }
  .pcard-desc { font-size: 13px; margin-bottom: 12px; }
  .pcard-tags { gap: 6px; }
  .pcard-tags .tag { font-size: 11px; padding: 3px 8px; }
  .pcard-visual { padding: 0 16px 14px; min-height: 0; flex: 1; }
  .pcard-visual svg {
    width: 100%; height: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
  }
  .pcard-cta { top: 12px; right: 14px; padding: 5px 12px; font-size: 11px; }
  .pcard-footer {
    margin: 0 16px 16px;
    padding: 14px 0 0;
    border-top: 1px solid var(--color-border);
  }
  .pcard-stats { gap: 20px; }
  .pcard-stat-val { font-size: 16px; }
  .pcard-stat-lab { font-size: 11px; }

  .char-agents { grid-template-columns: 1fr; }
  .char-agent + .char-agent { border-left: none; }
  .char-agent + .char-agent::before { left: 24px; right: 24px; top: 0; bottom: auto; width: auto; height: 1px; background: linear-gradient(to right, transparent, var(--color-border-light) 15%, var(--color-border-light) 85%, transparent); }
  .char-agent { padding: 20px 24px; }
  .char-agent-card { flex-direction: row; text-align: left; gap: 14px; }
  .char-agent-avatar { width: 52px; height: 52px; }
  .char-main { padding: 24px; }
  .char-main-card { flex-direction: row; text-align: left; gap: 16px; }
  .char-main-avatar { width: 80px; height: 80px; }
  .char-main-name { font-size: 20px; }
  .pcard-dots { right: 10px; }
  .project-modal-content { padding: 28px 20px 32px; }
  .project-modal-close { top: 12px; right: 12px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}


/* ========================================
   走查修复补充（2026-08-25 QA）
   ======================================== */

/* ---- a11y: 跳转链接 ---- */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -60px;
  z-index: 200;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-gold);
  color: var(--color-on-gold);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  transition: top var(--duration-fast) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

/* ---- a11y: 全局焦点可见（键盘用户必需） ---- */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
/* 鼠标点击不显示焦点环，只有键盘导航才显示 */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
[tabindex]:focus:not(:focus-visible) { outline: none; }

/* 卡片焦点：用金色环 + 轻微提亮，不破坏堆叠 transform */
.pcard:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), var(--shadow-lg);
}

/* 弹窗内焦点在深底上更明显 */
.project-modal :focus-visible,
.img-lightbox :focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* ---- UX: 移动端点击区 >= 44px ---- */
@media (max-width: 767px) {
  .pcard-cta {
    min-height: 40px;
    padding: 10px 16px;
    display: inline-flex;
    align-items: center;
    font-size: var(--text-xs);
  }
  .nav-toggle {
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }
  .project-modal-close { min-height: 44px; padding: 10px 16px; }
  .img-lightbox-close { width: 44px; height: 44px; }
  .nav-mobile a { min-height: 44px; display: flex; align-items: center; }
  .nav-logo { min-height: 44px; display: inline-flex; align-items: center; gap: var(--space-2); }
}

/* ---- 性能: 动效元素 GPU 提示（.pcard/.reveal 原规则已声明，此处只补缺失项） ---- */
.project-modal-inner { will-change: transform, opacity; }
/* 入场动画播完后撤掉提示，避免长期占用合成层 */
.reveal.is-visible { will-change: auto; }

/* ---- 动效: 弹窗进出时长统一 ---- */
.project-modal,
.img-lightbox {
  transition: opacity var(--duration-normal) var(--ease-out),
              visibility var(--duration-normal) var(--ease-out);
}

/* ---- reduced-motion 下也关掉平滑滚动与合成层提示 ---- */
@media (prefers-reduced-motion: reduce) {
  .pcard, .project-modal-inner, .reveal { will-change: auto; }
}


/* ========================================
   长串文本换行修复（2026-08-25）
   根因：CONTROL/STATE/PROJECT/LESSON/FACT/RAW 这类无空格长英文串
   在 CJK 排版下不会自动断行，会突破卡片边界
   ======================================== */

/* 全局兜底：允许长单词在必要时断行（只在放不下时才断，不影响正常中文排版） */
body {
  overflow-wrap: break-word;
  word-break: normal;
}

/* 文本容器显式声明，防被局部规则覆盖 */
.dt-card-title,
.dt-card-desc,
.detail-list li,
.detail-summary,
.dt-case-img figcaption,
.dt-rep-blocks li,
.dt-arch-branch,
.dt-evo-sub,
.dt-rep-note,
.pcard-desc,
.pcard-title,
.detail-title,
.about-intro,
.dt-pipe-desc,
.dt-sec-desc {
  overflow-wrap: break-word;
  word-break: normal;
}

/* 技术栈/标签这类短标识，允许在任意字符断行以免撑破容器 */
.tag,
.detail-tag,
.dt-arch-node {
  overflow-wrap: anywhere;
}

/* 网格子项防溢出：grid 子项默认 min-width:auto 会被内容撑开 */
.dt-cards > *,
.dt-case-imgs > *,
.dt-evo-grid > * {
  min-width: 0;
}


/* ---- 防御：案例图高度上限，避免超长竖图（如 380x2690）把网格行高拉爆 ---- */
.dt-case-img img {
  max-height: 420px;
  object-fit: cover;
  object-position: top;
}
@media (max-width: 767px) {
  .dt-case-img img { max-height: 320px; }
}