/* =========================================================
   01. พื้นฐานของหน้าเว็บ
   กำหนดพื้นหลัง ระยะขอบ และพื้นที่ด้านบนสำหรับเมนู
   ========================================================= */
body {
	background-image: url(../img_main/bg_samchukratana.jpg );
	background-attachment: fixed;
	margin: 0;
	padding: 0;
    padding-top: 50px;
}


/* =========================================================
   02. เมนูหลักด้านบน
   เมนูจะอยู่กึ่งกลางและติดด้านบนของหน้าจอ
   ========================================================= */
nav {
	position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);

    width: 1000px;
    background: rgb(48, 0, 49);
    color: #fff;
    font-family: "Futura";
    display: flex;
    justify-content: space-between;

	z-index: 1000;
}

nav .logo {
    padding: 0 30px;
    font-size: 20px;
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    position: relative;
}

nav ul li a {
    text-decoration: none;
    display: inline-block;
    padding: 10px 20px;
    border-radius: 10px;
    color: #ffffff;
    transition: 0.2s;
}

nav ul li a:hover,
nav ul li a.active {
    background: #fff;
    color: black;
}

/* เมนูย่อย */
nav ul li .submenu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 200px;
    display: none;
    background: rgb(48, 0, 49);
    padding: 8px;
    border-radius: 0 0 10px 10px;
    z-index: 1000;
}

/* รายการในเมนูย่อย */
nav ul li .submenu li {
    width: 100%;
	box-sizing: border-box;
}

nav ul li .submenu li a {
    display: block;
    width: 100%;
    /* padding: 10px 15px; */
	box-sizing: border-box;
}

/* แสดงเมนูย่อยเมื่อเอาเมาส์ชี้ */
nav ul li:hover > .submenu {
    display: block;
}

nav ul li:has(.submenu) > a::after {
    content: " ▾";
    font-size: 12px;
    margin-left: 5px;
}


/* =========================================================
   03. รูปแบบตัวอักษรทั่วไป
   ========================================================= */
.ratana01 {
	font-size: 18px;
	font-family: Verdana, Geneva, sans-serif;
}

/* =========================================================
   04. Container
   กำหนดความกว้างและจัดเนื้อหาให้อยู่กึ่งกลางหน้า
   ========================================================= */
.container {
	width: 1000px;
	margin: 0 auto;
	background-color: white;
	align-items: center;

}

.p750 {
	width: 680px;
	font-size: 18px;
	font-family: Verdana, Geneva, sans-serif;
}

/* =========================================================
   05. แถบหัวข้อระดับที่ 1
   ========================================================= */
.bar_1 {
		margin: 5px;
		border-radius: 15px;
		padding-left: 30px;
		padding-top: 10px;
		padding-bottom:10px;
		background: rgb(93, 40, 94); 
		color: #fff;
		font-family: "Futura";
		font-size: 24px;
	
}

/* =========================================================
   06. แถบหัวข้อระดับที่ 2
   ========================================================= */
.bar_2 {
	margin: 5px;
	border-radius: 15px;
	padding-left: 25px;
	padding-top: 5px;
	padding-bottom:5px;
	background: rgb(150, 78, 151); 
	color: #ffffff;
	font-family: "Futura";
	font-size: 20px;

}


/* =========================================================
   08. SIDEBAR / ASIDE
   เมนูด้านข้าง
   ========================================================= */
aside {
    width: 230px;
    padding: 15px;
    border-radius: 15px;
    background: #0a4f84;
    font-family: "Futura", sans-serif;
}

aside ul {
    display: block;
    list-style: none;
    margin: 0;
    padding: 0;
}

aside ul li {
    margin: 0;
    padding: 0;
}

aside ul li a {
    display: block;
    padding: 10px;
    border-radius: 15px;
    color: #ffffff;
    text-decoration: none;
    text-transform: uppercase;
    transition: 0.2s;
}

aside ul li a:hover,
aside ul li a.active {
    background: #ffffff;
    color: #000000;
}

/* =========================================================
   09. Article
   พื้นที่สำหรับเนื้อหาหลักของบทความ
   ========================================================= */
article {
		width: 770px;
		padding: 20px; 
		border-radius: 15px;
		background: #ffffff;
		font-family: "Futura";
}

/* =========================================================
   10. Main
   โครงสร้างพื้นที่เนื้อหาหลัก
   ========================================================= */
main {
	padding-top: 5px;
	width: 1000px;
	display: flex; 
	padding-left: 5px;
}

/* Slideshow container */
.slideshow-container {
	max-width: 1000px;
	/* position: relative; */
	margin: auto;
  }
  
  /* Caption text */
  .text {
	color: #f2f2f2;
	font-size: 15px;
	padding: 8px 12px;
	position: absolute;
	bottom: 8px;
	width: 100%;
	text-align: center;
  }
  
  /* Number text (1/3 etc) */
  .numbertext {
	color: #f2f2f2;
	font-size: 12px;
	padding: 8px 12px;
	position: absolute;
	top: 0;
  }
  
  /* The dots/bullets/indicators */
  .dot {
	height: 15px;
	width: 15px;
	margin: 0 2px;
	background-color: #bbb;
	border-radius: 50%;
	display: inline-block;
	transition: background-color 0.6s ease;
  }
  
  .active {
	background-color: #717171;
  }
  
  /* Fading animation */
  .fade {
	animation-name: fade;
	animation-duration: 1.5s;
  }

  /* =========================================================
   11. BLOG / CARD GRID
   รูปแบบกล่องเนื้อหา 3, 4 และ 5 คอลัมน์
   ========================================================= */
.blog-col3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 1rem;
    margin-left: 1rem;
    margin-right: 1rem;
}

.blog-col4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 1rem;
    margin-left: 1rem;
    margin-right: 1rem;
}

.blog-col5 {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: 1rem;
    margin-left: 1rem;
    margin-right: 1rem;
}

.blog-item {
    min-width: 0;
}

.blog-item img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 15px;
}

.blog-item .p1 {
    padding: 10px 5px;
    margin-top: 0;
    border-radius: 15px;
    background: rgb(150, 78, 151);
    color: #ffffff;
    font-size: 16px;
}

.blog-item a {
    text-decoration: none;
}

.blog-item a:hover {
    font-weight: bolder;
}

/* =========================================================
   12. RESPONSIVE DESIGN
   ปรับขนาดเว็บไซต์ให้เหมาะกับหน้าจอหลายขนาด
   ========================================================= */
* {
  box-sizing: border-box;
}

html {
  width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  width: 100%;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 10px;
}

/* รูปภาพทุกภาพไม่ให้ล้นจอ */
.container img {
  max-width: 100%;
  height: auto;
}

/* Header / ภาพหัวเว็บ */
.container > head {
  display: block;
  width: 100%;
}

/* แถบหัวข้อ */
.bar_1,
.bar_2 {
  max-width: 100%;
}

/* ---------------------------------------------------------
   12.1 รายการเอกสาร
   --------------------------------------------------------- */
main {
  width: 100%;
  max-width: 960px;
  margin: 25px auto;
  padding: 0 10px;
}

.documents {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.document {
  width: 100%;
  background: #fff;
  border-radius: 8px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: 0 2px 7px rgba(0,0,0,.06);
}

.document-date {
  flex: 0 0 115px;
  min-width: 115px;
  padding: 6px 10px;
  background: #f1e7f7;
  color: #684276;
  border-radius: 6px;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  white-space: nowrap;
}

.document-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  line-height: 1.5;
}

.btn-view {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 8px;
  padding: 5px 11px;
  background: #d9c2e9;
  color: #4a3157;
  border-radius: 5px;
  text-decoration: none;
  font-size: 12px;
  white-space: nowrap;
}

/* ---------------------------------------------------------
   12.2 Grid 5 คอลัมน์แบบ Responsive
   --------------------------------------------------------- */
.blog-col5 {
  width: 100%;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.blog-item {
  width: 100%;
  min-width: 0;
}

.blog-item img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* Footer */
footer {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

footer img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------------------------------------------------------
   12.3 Tablet : หน้าจอไม่เกิน 900px
   --------------------------------------------------------- */
@media (max-width: 900px) {
  .container {
    padding: 0 8px;
  }

  .blog-col5 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }
}

/* ---------------------------------------------------------
   12.4 Mobile / Tablet แนวตั้ง : ไม่เกิน 700px
   --------------------------------------------------------- */
@media (max-width: 700px) {
  .container {
    padding: 0 6px;
  }

  main {
    margin: 15px auto;
    padding: 0 6px;
  }

  .document {
    align-items: stretch;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
  }

  .document-date {
    flex: 0 0 auto;
    min-width: 105px;
    font-size: 14px;
  }

  .document-title {
    flex: 1 1 calc(100% - 120px);
    font-size: 15px;
  }

  .btn-view {
    margin-left: 0;
    margin-top: 6px;
  }

  .blog-col5 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
}

/* ---------------------------------------------------------
   12.5 โทรศัพท์ : ไม่เกิน 480px
   --------------------------------------------------------- */
@media (max-width: 480px) {
  .container {
    padding: 0 4px;
  }

  main {
    padding: 0 4px;
    margin: 12px auto;
  }

  .document {
    display: block;
    padding: 10px;
  }

  .document-date {
    display: inline-block;
    min-width: 0;
    margin-bottom: 7px;
    font-size: 13px;
    padding: 5px 9px;
  }

  .document-title {
    display: block;
    width: 100%;
    font-size: 14px;
    line-height: 1.6;
  }

  .btn-view {
    display: inline-flex;
    margin-top: 8px;
    padding: 6px 10px;
    font-size: 12px;
  }

  .blog-col5 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }
}

/* ---------------------------------------------------------
   12.6 โทรศัพท์จอเล็กมาก : ไม่เกิน 360px
   --------------------------------------------------------- */
@media (max-width: 360px) {
  .blog-col5 {
    grid-template-columns: 1fr 1fr;
    gap: 5px;
  }

  .document-title {
    font-size: 13px;
  }

  .btn-view {
    font-size: 11px;
  }
}

.responsive-banner {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
}
.responsive-banner img {
  display: block;
  width: 100%;
  height: auto;
}
.site-head {
  display: block;
  width: 100%;
  height: auto;
}