/* ============================================================
   ABOUT — Chapter 01 (Cover)
   Lace-framed portrait, stitched name, patchwork English name.
   ============================================================ */

/* ---------- COVER ---------- */
.cover {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem var(--gutter) 5rem;
  overflow: hidden;
}
.cover__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/cream-bg-texture.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.45;
  z-index: -1;
  mix-blend-mode: multiply;
}

/* 头像 + 蕾丝：头像在蕾丝正中、与中间区域等大，多余裁切 */
.cover__portrait-wrap {
  position: relative;
  width: min(340px, 78vw);
  margin-bottom: 2.8rem;
}
.cover__lace {
  position: absolute;
  inset: -14%;
  background: url('../images/portrait-lace.jpg') center / contain no-repeat;
  z-index: 0;
  filter: drop-shadow(2px 2px 0 rgba(31, 40, 32, 0.12));
  pointer-events: none;
}
.cover__avatar {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;          /* 多余部分裁切，居中填充 */
  border: 7px solid var(--cream-bg);
  box-shadow:
    0 0 0 1px var(--paper-beige),
    9px 9px 0 var(--green-vintage),
    9px 9px 0 2px var(--paper-beige);
}
.cover__portrait-tag {
  position: absolute;
  bottom: -18px;
  right: -14px;
  z-index: 2;
  transform: rotate(-3deg);
}

.cover__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.34em;
  margin-bottom: 1.6rem;
  color: var(--ink-mute);
}
.cover__eyebrow .accent { color: var(--red-accent); }

/* 中文名：缝线风格（SVG displacement 滤镜），奶白色线脚，衬在绿底布标上 */
.cover__name.stitched {
  display: inline-block;
  font-family: var(--font-serif-cn);
  font-weight: 900;
  font-size: clamp(3.6rem, 13vw, 8.5rem);
  color: var(--cream-bg);
  letter-spacing: 0.14em;
  line-height: 1;
  padding: 0.18em 0.42em 0.22em;
  margin: 0.4rem 0 1.8rem;
  background: var(--green-vintage);
  filter: url(#stitch-displace);
  box-shadow:
    0 0 0 4px var(--cream-bg),
    0 0 0 5px var(--paper-beige),
    8px 8px 0 var(--red-accent);
}

/* 英文名：拼布字母方块，奶白/米黄交替，W 与 g 用暗红 */
.cover__name-en {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  justify-content: center;
  align-items: center;
  margin: 0 0 1.8rem;
}
.patch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.9rem;
  font-family: 'Caveat', var(--font-serif-en);
  font-size: 2.1rem;
  line-height: 1;
  color: var(--green-deep);
  border: 1px solid var(--paper-beige);
  box-shadow: 2px 2px 0 rgba(31, 40, 32, 0.16);
  transform: rotate(-2deg);
}
.patch:nth-child(even) { transform: rotate(2.5deg); }
.patch--cream { background: var(--cream-bg); }
.patch--paper { background: var(--paper-beige); }
.patch--red {
  background: var(--red-accent);
  color: var(--cream-bg);
  border-color: var(--cream-deep);
}
.patch__sep {
  width: 0.7rem;
  background: none;
  border: 0;
  box-shadow: none;
  transform: none;
}

.cover__position {
  font-family: var(--font-sans-cn);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--green-deep);
  margin-bottom: 1.2rem;
}
.cover__lede {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 30rem;
}
.cover__lede .serif-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  color: var(--red-accent);
  font-size: 1.1rem;
}

/* 封面底部缝线 */
.cover__seam {
  position: absolute;
  left: 50%;
  bottom: 2.4rem;
  transform: translateX(-50%);
  width: min(220px, 60%);
  height: 12px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--paper-beige) 0,
    var(--paper-beige) 10px,
    transparent 10px,
    transparent 18px
  );
  opacity: 0.7;
}

/* ---------- INTRO ---------- */
.intro__body--full {
  grid-column: 1 / -1;
  max-width: 760px;
  margin: 0 auto;
}
.intro {
  padding: clamp(3rem, 5vw, 5rem) 0;
  display: grid;
  grid-template-columns: minmax(200px, 320px) 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.intro__portrait {
  position: relative;
  padding: 0;
}
.intro__lace {
  position: absolute;
  inset: -32px;
  background: url('../images/lace-frame.jpg') no-repeat center;
  background-size: 100% 100%;
  z-index: -1;
  opacity: 0.55;
  pointer-events: none;
  -webkit-mask: linear-gradient(black, black);
          mask: linear-gradient(black, black);
}
.intro__img {
  width: 100%;
  border: 6px solid var(--cream-bg);
  box-shadow:
    8px 8px 0 var(--green-vintage),
    0 0 0 1px var(--paper-beige);
  position: relative;
  z-index: 1;
}
.intro__fabric-tag {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%) rotate(2deg);
  z-index: 2;
}

.intro__body { padding-top: 1rem; }
.intro__lede {
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  margin-bottom: 1.4rem;
}
.intro__title {
  font-family: var(--font-serif-cn);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--green-deep);
  font-weight: 400;
  letter-spacing: 0.06em;
  line-height: 1.4;
  margin-bottom: 1.6rem;
}
.intro__text p {
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}
.intro__text strong {
  color: var(--green-deep);
  font-weight: 600;
}
.intro__quick-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 1.4rem;
  margin-top: 2rem;
  padding: 1.2rem 1.4rem;
  background: var(--cream-warm);
  border-left: 3px solid var(--red-accent);
}
.intro__quick-facts li {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  font-size: 0.85rem;
}
.intro__quick-facts .mono {
  color: var(--ink-mute);
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  text-transform: uppercase;
  min-width: 4.5rem;
  display: inline-block;
}
.intro__quick-facts span:last-child {
  color: var(--ink-soft);
}
@media (max-width: 768px) {
  .intro { grid-template-columns: 1fr; }
  .intro__portrait { max-width: 260px; margin: 0 auto 3rem; }
  .intro__quick-facts { grid-template-columns: 1fr; }
}

/* ---------- EDUCATION ---------- */
.edu {
  padding: clamp(4rem, 7vw, 6rem) 0;
  background: rgba(74, 93, 58, 0.05);
  position: relative;
  border-top: 1px solid var(--cream-deep);
  border-bottom: 1px solid var(--cream-deep);
}
.edu::before, .edu::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--red-accent) 0,
    var(--red-accent) 4px,
    transparent 4px,
    transparent 10px
  );
}
.edu::before { top: 0; }
.edu::after { bottom: 0; }

.edu__list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}
.edu__item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2.5rem;
  align-items: start;
}
.edu__time {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.2rem 1rem;
  background: var(--green-deep);
  color: var(--cream-bg);
  text-align: center;
  border: 1px solid var(--green-deeper);
  position: relative;
}
.edu__time::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--red-accent);
}
.edu__from, .edu__to {
  font-size: 1.05rem;
  letter-spacing: 0.1em;
}
.edu__arrow {
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  color: var(--red-accent);
  margin: 0.2rem 0;
}
.edu__card {
  padding: 1.6rem 1.8rem;
  background: var(--cream-bg);
  border: 1px solid var(--paper-beige);
  position: relative;
}
.edu__fabric-tag {
  margin-bottom: 0.8rem;
}
.edu__card h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.5rem;
  color: var(--green-deep);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
  font-weight: 500;
}
.edu__major {
  font-family: var(--font-sans-cn);
  color: var(--red-accent);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  letter-spacing: 0.06em;
}
.edu__meta {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--cream-deep);
}
.edu__meta .mono {
  color: var(--ink-mute);
  margin-right: 0.3rem;
  letter-spacing: 0.15em;
}
.edu__courses {
  font-size: 0.88rem;
  color: var(--ink-mute);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.edu__certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
@media (max-width: 768px) {
  .edu__item { grid-template-columns: 1fr; gap: 1rem; }
  .edu__time { flex-direction: row; gap: 1rem; justify-content: center; }
}

/* ---------- SKILLS ---------- */
.skills {
  padding: clamp(4rem, 7vw, 6rem) 0;
}
.skills__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.skills__group {
  background: var(--cream-bg);
  border: 1px solid var(--paper-beige);
  padding: 1.4rem 1.2rem;
  position: relative;
  transition: all var(--motion);
}
.skills__group:hover {
  transform: translateY(-4px);
  box-shadow: 5px 5px 0 var(--green-vintage);
}
.skills__group header {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--cream-deep);
}
.skills__group h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.15rem;
  color: var(--green-deep);
  font-weight: 500;
  letter-spacing: 0.06em;
}
.skills__group ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.skills__group li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.86rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px dotted var(--cream-deep);
}
.skills__group li:last-child { border-bottom: 0; }
.skills__group li span:first-child { color: var(--green-deep); font-weight: 500; }
.skills__group li .mono { font-size: 0.72rem; }

.skills__group--craft {
  background: var(--green-deep);
  color: var(--cream-bg);
  border-color: var(--green-deeper);
}
.skills__group--craft header {
  border-bottom-color: rgba(244, 239, 228, 0.2);
}
.skills__group--craft h3 { color: var(--cream-bg); }
.skills__group--craft ul li {
  border-bottom-color: rgba(244, 239, 228, 0.15);
}
.skills__group--craft ul li span:first-child { color: var(--cream-bg); }
.skills__group--craft ul li .mono { color: rgba(244, 239, 228, 0.55); }
.skills__group--craft:hover {
  box-shadow: 5px 5px 0 var(--red-accent);
}
.skills__craft-stamp {
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--cream-bg);
  border-color: var(--green-deep);
  color: var(--green-deep);
  z-index: 1;
}

@media (max-width: 980px) {
  .skills__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .skills__grid { grid-template-columns: 1fr; }
}

/* ---------- AWARDS ---------- */
.awards {
  padding: clamp(4rem, 7vw, 6rem) 0;
  background: var(--cream-warm);
  position: relative;
  border-top: 1px solid var(--cream-deep);
  border-bottom: 1px solid var(--cream-deep);
}
.awards__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--paper-beige);
}
.award {
  padding: 1.8rem 1.4rem;
  border-right: 1px solid var(--paper-beige);
  border-bottom: 1px solid var(--paper-beige);
  position: relative;
  transition: all var(--motion);
}
.award:hover {
  background: var(--cream-bg);
}
.award:nth-child(3n) { border-right: 0; }
.award:nth-last-child(-n+3) { border-bottom: 0; }
.award__year {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--red-accent);
  letter-spacing: 0.18em;
  margin-bottom: 0.8rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--red-accent);
}
.award__title {
  font-family: var(--font-serif-cn);
  font-size: 1.05rem;
  color: var(--green-deep);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
  font-weight: 500;
}
.award__org {
  font-size: 0.84rem;
  color: var(--ink-mute);
}
.awards__note {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.86rem;
  line-height: 1.8;
}
@media (max-width: 768px) {
  .awards__list { grid-template-columns: repeat(2, 1fr); }
  .award { border-right: 1px solid var(--paper-beige) !important; }
  .award:nth-child(2n) { border-right: 0 !important; }
  .award:nth-child(3n) { border-right: 0 !important; }
  .award:nth-last-child(-n+3) { border-bottom: 1px solid var(--paper-beige) !important; }
  .award:nth-last-child(-n+2) { border-bottom: 0 !important; }
}
@media (max-width: 480px) {
  .awards__list { grid-template-columns: 1fr; }
  .award { border-right: 0 !important; border-bottom: 1px solid var(--paper-beige) !important; }
  .award:last-child { border-bottom: 0 !important; }
}

/* ---------- TRAITS ---------- */
.traits {
  padding: clamp(4rem, 7vw, 6rem) 0;
}
.traits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.trait {
  padding: 1.6rem 1.4rem;
  background: var(--cream-bg);
  border: 1px solid var(--paper-beige);
  position: relative;
  transition: all var(--motion);
}
.trait::before {
  content: "";
  position: absolute;
  top: 14px; left: 14px;
  width: 30px; height: 4px;
  background: var(--red-accent);
}
.trait:hover {
  transform: translate(-3px, -3px);
  box-shadow: 4px 4px 0 var(--green-vintage);
}
.trait__no {
  display: inline-block;
  color: var(--red-accent);
  font-size: 1rem;
  letter-spacing: 0.18em;
  margin-bottom: 0.4rem;
}
.trait h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.2rem;
  color: var(--green-deep);
  margin-bottom: 0.6rem;
  letter-spacing: 0.04em;
  font-weight: 500;
}
.trait p {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--ink-soft);
}
@media (max-width: 980px) {
  .traits__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .traits__grid { grid-template-columns: 1fr; }
}

/* 小屏：旋转印章原本 right:-10px 会越出视口，收回内侧 */
@media (max-width: 768px) {
  .skills__craft-stamp { right: 0; top: -8px; }
}