/* 龙人冰弦 · 八屏定稿
   统一使用官网深墨底、米白正文、细金线与极小朱红标记。 */

.strings-page {
  background: var(--bg);
}

/* 背景「漏月 louyue」：定义在 site.css。本页不再覆盖任何 .sdots 规则。
   原此处的椭圆遮罩与 5 处两段式 radial 会产生左右对称圆弧与量化色带，已随统一而移除。 */

.strings-page::selection {
  color: var(--bg);
  background: var(--gold);
}

.strings-screen {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  padding: clamp(112px, 13vh, 168px) 40px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: transparent;
}

.strings-screen + .strings-screen::before {
  content: "";
  position: absolute;
  top: 0;
  left: max(40px, calc((100% - 1200px) / 2));
  right: max(40px, calc((100% - 1200px) / 2));
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(203, 162, 88, .17), transparent);
}

.strings-screen-inner {
  position: relative;
  z-index: 2;
  width: min(1200px, 100%);
  margin: 0 auto;
}

.strings-screen-no {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--gold);
  font-family: var(--latin);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: .35em;
  text-transform: uppercase;
}

.strings-screen-no::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  background: #d7000f;
}

.strings-title {
  margin: 22px 0 0;
  color: var(--cream);
  font-family: var(--display);
  font-size: clamp(42px, 4.4vw, 66px);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: .14em;
}

.strings-rule {
  display: block;
  width: 64px;
  height: 1px;
  margin: 30px 0 0;
  background: linear-gradient(90deg, rgba(203, 162, 88, .92), transparent);
}

.strings-body {
  max-width: 42em;
  margin-top: 36px;
  color: rgba(232, 226, 214, .86);
  font-size: 17px;
  font-weight: 300;
  line-height: 2.05;
  letter-spacing: .025em;
}

.strings-body p {
  margin: 0;
}

.strings-body p + p {
  margin-top: 22px;
}

.strings-body strong {
  color: var(--cream);
  font-weight: 500;
}

.strings-conclusion {
  color: var(--cream);
  font-size: 19px;
  letter-spacing: .08em;
}

/* 01 · 首屏 */
.strings-screen-01 {
  align-items: flex-start;
  padding-top: clamp(128px, 17vh, 190px);
  padding-bottom: 70px;
}

.strings-hero-media,
.strings-hero-media img,
.strings-hero-scrim {
  position: absolute;
  inset: 0;
}

.strings-hero-media {
  z-index: -2;
  overflow: hidden;
}

.strings-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  filter: saturate(.72) brightness(.7) contrast(1.05);
}

.strings-hero-scrim {
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(8, 7, 5, .94) 0%, rgba(8, 7, 5, .66) 43%, rgba(8, 7, 5, .12) 72%, rgba(12, 10, 7, .74) 92%, #0c0a07 100%),
    linear-gradient(90deg, rgba(12, 10, 7, .34), rgba(12, 10, 7, .06) 68%, rgba(12, 10, 7, .36));
}

.strings-hero-copy {
  max-width: 760px;
}

@media (min-width: 769px) {
  .strings-hero-copy {
    width: min(560px, 43vw);
    max-width: none;
    margin-right: 0;
    margin-left: auto;
  }
}

@media (min-width: 769px) and (max-width: 1100px) {
  .strings-hero-copy {
    width: min(560px, 47vw);
  }

  .strings-hero-copy .strings-body {
    font-size: 14px;
    letter-spacing: 0;
  }
}

.strings-hero-copy h1 {
  margin: 20px 0 0;
  color: var(--cream);
  font-family: var(--display);
  font-size: clamp(64px, 7vw, 104px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: .17em;
  text-shadow: 0 4px 34px rgba(0, 0, 0, .5);
}

.strings-lead {
  margin: 28px 0 0;
  color: var(--cream);
  font-size: clamp(23px, 2vw, 30px);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: .08em;
}

.strings-hero-copy .strings-body {
  max-width: 38em;
  margin-top: 22px;
  color: rgba(244, 236, 216, .78);
  font-size: 15.5px;
  line-height: 1.95;
}

/* 02 · 两难 */
.strings-reading {
  width: min(900px, 100%);
}

.strings-body-wide {
  max-width: 48em;
  font-size: 18px;
  line-height: 2.15;
}

/* 03 / 07 · 图文对页 */
.strings-split {
  display: grid;
  grid-template-columns: minmax(340px, .92fr) minmax(420px, 1.08fr);
  gap: clamp(60px, 8vw, 118px);
  align-items: center;
}

.strings-photo {
  position: relative;
  height: min(72vh, 720px);
  margin: 0;
  overflow: hidden;
  border-radius: 10px;
}

.strings-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border: 1px solid rgba(203, 162, 88, .28);
  border-radius: inherit;
  pointer-events: none;
}

.strings-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(.82) brightness(.86);
}

.strings-product-photo img {
  object-position: 50% 50%;
  background: #060504;
  filter: saturate(.88) brightness(.94);
}

.strings-craft-photo img {
  object-position: 50% 50%;
}

.strings-photo figcaption {
  position: absolute;
  z-index: 3;
  left: 18px;
  right: 18px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(244, 236, 216, .82);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: .12em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .7);
}

.strings-photo figcaption::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--gold);
}

.strings-copy {
  min-width: 0;
}

.strings-split-reverse {
  grid-template-columns: minmax(420px, 1.08fr) minmax(340px, .92fr);
}

.strings-split-reverse .strings-photo {
  order: 2;
}

.strings-split-landscape {
  grid-template-columns: minmax(500px, 1.08fr) minmax(420px, .92fr);
  gap: clamp(52px, 6vw, 86px);
}

.strings-split-reverse.strings-split-landscape {
  grid-template-columns: minmax(420px, .92fr) minmax(500px, 1.08fr);
}

.strings-event-photo {
  height: auto;
  aspect-ratio: 3 / 2;
}

.strings-event-photo img {
  filter: saturate(.76) brightness(.86) contrast(1.03);
}

/* 05 · 七词 */
.strings-screen-05 {
  min-height: 112svh;
}

.strings-qin-media,
.strings-qin-media img,
.strings-qin-scrim {
  position: absolute;
  inset: 0;
}

.strings-qin-media {
  z-index: -2;
  overflow: hidden;
}

.strings-qin-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  filter: saturate(.46) brightness(.46) contrast(1.1);
}

.strings-qin-scrim {
  z-index: -1;
  background:
    linear-gradient(180deg, #0c0a07 0%, rgba(12, 10, 7, .42) 20%, rgba(12, 10, 7, .54) 64%, #0c0a07 100%),
    radial-gradient(circle at 50% 50%, rgba(12, 10, 7, .16), rgba(12, 10, 7, .66));
}

.strings-seven-copy {
  width: min(1000px, 100%);
  text-align: center;
}

.strings-seven-copy .strings-screen-no {
  justify-content: center;
}

.strings-seven-copy .strings-title {
  font-size: clamp(38px, 4vw, 58px);
}

.strings-seven-words {
  margin: 36px auto 0;
  color: var(--cream);
  font-family: var(--display);
  font-size: clamp(27px, 3.2vw, 47px);
  line-height: 1.7;
  letter-spacing: .13em;
}

.strings-seven-copy .strings-body {
  max-width: 48em;
  margin: 34px auto 0;
}

.strings-feature-quote {
  margin: 28px 0;
  padding: 24px clamp(18px, 4vw, 48px);
  border-top: 1px solid rgba(203, 162, 88, .34);
  border-bottom: 1px solid rgba(203, 162, 88, .34);
}

.strings-feature-quote p {
  color: var(--cream);
  font-size: clamp(19px, 1.8vw, 25px);
  font-weight: 300;
  line-height: 2;
  letter-spacing: .06em;
}

.strings-evidence {
  margin: clamp(56px, 8vh, 90px) auto 0;
  padding-top: 28px;
  border-top: 1px solid rgba(203, 162, 88, .24);
  text-align: left;
}

.strings-evidence-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
}

.strings-evidence-head > span {
  color: var(--gold);
  font-family: var(--latin);
  font-size: 11px;
  letter-spacing: .28em;
}

.strings-evidence-head p {
  margin: 0;
  color: var(--ink-55);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: .08em;
}

.strings-evidence-grid {
  display: grid;
  grid-template-columns: minmax(240px, .68fr) minmax(0, 1.32fr);
  gap: clamp(30px, 4.6vw, 64px);
  align-items: start;
  margin-top: 32px;
}

.strings-document {
  min-width: 0;
  margin: 0;
}

.strings-document-image {
  display: block;
  overflow: hidden;
  border: 1px solid rgba(203, 162, 88, .26);
  background: #d9cfb4;
  box-shadow: 0 24px 54px rgba(0, 0, 0, .35);
}

.strings-document-image img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(.82) brightness(.92) contrast(1.02);
  transition: filter .45s ease, transform .7s var(--e-out);
}

@media (hover: hover) and (pointer: fine) {
  .strings-document-image:hover img {
    filter: saturate(.94) brightness(.98) contrast(1.02);
    transform: scale(1.008);
  }
}

.strings-document figcaption {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin-top: 18px;
  color: rgba(232, 226, 214, .58);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: .04em;
}

.strings-document figcaption strong {
  color: var(--cream);
  font-family: var(--display);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: .08em;
}

.strings-document-type {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: .22em;
}

.strings-document-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(232, 226, 214, .78);
}

.strings-document-status::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px rgba(203, 162, 88, .48);
}

.strings-document-source {
  color: rgba(203, 162, 88, .82);
  font-size: 12px;
  letter-spacing: .1em;
  text-decoration: none;
  border-bottom: 1px solid rgba(203, 162, 88, .3);
  transition: color .3s ease, border-color .3s ease;
}

.strings-document-source:hover {
  color: var(--cream);
  border-bottom-color: rgba(232, 226, 214, .55);
}

/* 06 · 三位琴家 */
.strings-screen-06 {
  min-height: 112svh;
}

.strings-voices-head {
  width: min(850px, 100%);
}

.strings-voices-intro {
  margin: 30px 0 0;
  color: rgba(232, 226, 214, .82);
  font-size: 17px;
  font-weight: 300;
  line-height: 2;
}

.strings-voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 clamp(32px, 4vw, 60px);
  margin-top: 58px;
}

.strings-voice {
  padding-top: 26px;
  border-top: 1px solid rgba(203, 162, 88, .32);
}

.strings-voice header {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: 70px;
}

.strings-voice header strong {
  color: var(--cream);
  font-family: var(--display);
  font-size: 29px;
  font-weight: 400;
  letter-spacing: .14em;
}

.strings-voice header span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 300;
  line-height: 1.65;
  letter-spacing: .1em;
}

.strings-voice > p,
.strings-voice blockquote p {
  color: rgba(232, 226, 214, .76);
  font-size: 14.5px;
  font-weight: 300;
  line-height: 2;
}

.strings-voice > p {
  margin: 20px 0 0;
}

.strings-voice blockquote {
  margin: 22px 0 0;
}

.strings-voice blockquote p {
  color: rgba(244, 236, 216, .88);
}

/* 08 · 收束 */
.strings-screen-08 {
  min-height: 92svh;
}

.strings-final {
  width: min(900px, 100%);
}

.strings-final-quote {
  margin: 48px 0 0;
  padding-left: clamp(24px, 4vw, 46px);
  border-left: 1px solid rgba(203, 162, 88, .62);
}

.strings-final-quote p {
  margin: 0;
  color: var(--cream);
  font-size: clamp(22px, 2.2vw, 32px);
  font-weight: 300;
  line-height: 2;
  letter-spacing: .055em;
}

.strings-final-quote cite {
  display: block;
  margin-top: 24px;
  color: var(--gold);
  font-size: 13px;
  font-style: normal;
  font-weight: 300;
  letter-spacing: .16em;
}

.strings-final-line {
  margin: 62px 0 0;
  color: rgba(244, 236, 216, .8);
  font-size: 17px;
  font-weight: 300;
  letter-spacing: .12em;
}

@media (max-width: 1000px) {
  .strings-screen {
    padding-right: 28px;
    padding-left: 28px;
  }

  .strings-split,
  .strings-split-reverse,
  .strings-split-reverse.strings-split-landscape {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .strings-split-reverse .strings-photo {
    order: 0;
  }

  .strings-photo {
    width: min(580px, 82vw);
    height: 64vh;
    min-height: 480px;
    margin: 0 auto;
  }

  .strings-event-photo {
    width: min(720px, 100%);
    height: auto;
    min-height: 0;
    aspect-ratio: 3 / 2;
  }

  .strings-copy {
    width: min(720px, 100%);
    margin: 0 auto;
  }

  .strings-voice-grid {
    grid-template-columns: 1fr;
    gap: 42px;
    width: min(720px, 100%);
  }

  .strings-voice header {
    min-height: 0;
  }

}

@media (max-width: 640px) {
  .strings-screen {
    min-height: auto;
    padding: 100px 24px;
  }

  .strings-screen + .strings-screen::before {
    left: 24px;
    right: 24px;
  }

  .strings-screen-no {
    font-size: 10px;
    letter-spacing: .27em;
  }

  .strings-title {
    margin-top: 18px;
    font-size: clamp(36px, 11.5vw, 48px);
    line-height: 1.22;
    letter-spacing: .1em;
  }

  .strings-rule {
    margin-top: 24px;
  }

  .strings-body,
  .strings-body-wide {
    margin-top: 30px;
    font-size: 16px;
    line-height: 2.05;
  }

  .strings-body p + p {
    margin-top: 20px;
  }

  .strings-screen-01 {
    min-height: 100svh;
    padding-top: 118px;
    padding-bottom: 62px;
  }

  .strings-hero-media img {
    object-position: 46% 50%;
    filter: saturate(.65) brightness(.58);
  }

  .strings-hero-scrim {
    background:
      linear-gradient(180deg, rgba(8, 7, 5, .94) 0%, rgba(8, 7, 5, .72) 50%, rgba(8, 7, 5, .28) 72%, #0c0a07 100%);
  }

  .strings-hero-copy h1 {
    font-size: clamp(58px, 18vw, 76px);
    letter-spacing: .12em;
  }

  .strings-lead {
    margin-top: 24px;
    font-size: 21px;
    line-height: 1.65;
    letter-spacing: .04em;
  }

  .strings-hero-copy .strings-body {
    font-size: 14.5px;
    line-height: 1.9;
  }

  .strings-photo {
    width: 100%;
    height: 60vh;
    min-height: 430px;
  }

  .strings-screen-03 .strings-title {
    font-size: clamp(33px, 9.4vw, 40px);
  }

  .strings-event-photo {
    width: 100%;
    height: auto;
    min-height: 0;
  }

  .strings-screen-05 {
    min-height: 100svh;
  }

  .strings-qin-media img {
    object-position: 54% 50%;
  }

  .strings-seven-copy {
    text-align: left;
  }

  .strings-seven-copy .strings-screen-no {
    justify-content: flex-start;
  }

  .strings-seven-words {
    margin-top: 28px;
    font-size: 27px;
    line-height: 1.85;
    letter-spacing: .11em;
  }

  .strings-seven-copy .strings-body {
    margin-top: 28px;
  }

  .strings-feature-quote {
    margin: 24px 0;
    padding: 20px 0 20px 18px;
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    border-left: 1px solid rgba(203, 162, 88, .52);
  }

  .strings-feature-quote p {
    font-size: 18px;
    line-height: 1.95;
  }

  .strings-evidence {
    margin-top: 54px;
    padding-top: 24px;
  }

  .strings-evidence-head {
    display: block;
  }

  .strings-evidence-head p {
    margin-top: 10px;
    font-size: 12px;
    line-height: 1.8;
  }

  .strings-evidence-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    margin-top: 28px;
  }

  .strings-document-patent {
    width: min(100%, 320px);
  }

  .strings-document figcaption {
    font-size: 14px;
  }

  .strings-document figcaption strong {
    font-size: 19px;
  }

  .strings-document-type,
  .strings-document-source {
    font-size: 11px;
  }

  .strings-screen-06 {
    min-height: auto;
  }

  .strings-voices-intro {
    font-size: 16px;
  }

  .strings-voice-grid {
    margin-top: 46px;
  }

  .strings-voice {
    padding-top: 24px;
  }

  .strings-voice header strong {
    font-size: 27px;
  }

  .strings-voice > p,
  .strings-voice blockquote p {
    font-size: 15px;
    line-height: 2;
  }

  .strings-screen-08 {
    min-height: 92svh;
  }

  .strings-final-quote {
    margin-top: 38px;
    padding-left: 20px;
  }

  .strings-final-quote p {
    font-size: 21px;
    line-height: 1.95;
  }

  .strings-final-line {
    margin-top: 46px;
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {

  .strings-screen * {
    transition: none !important;
    animation: none !important;
  }
}